User manual User manual - Nobil
Contents
1. Composite surface covered with Fixing Agent to obtain the complete curing of the surface and prevent the dispersion layer Carry out the final light curing Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top mm s SS eee Rj ni l After the final light curing wash off the Fixing Agent under running water with a brush Finish the shape using steel or tungsten burs and finish off using silicone rubbers Polish with goat hair brushes felt discs and polishing paste For a shiny polish of the composite surface you can use soft cotton discs The veneer crown finished and polished Individual layering of a bridge After treating the metal surface with Jeko Metal Primer and the first layer of opaque has been applied and polymerised apply a second layer of Jeko Opaquer Dentinal and characterise it with Jeko Opaquer Incisal and Jeko Opaquer Cervical The metal surface will thus be completely masked Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top The next step is the layering of the cervical mass Jeko Body Cervical directly onto the 14 cervical area of the characterised opaque layer In this case the cervical mass is used to structure a colour harmony reproducing that of the natural tooth the Cervical mass is positioned based on the tooth s characteristics Light curing refer to the chart Polymerisation2. Metal Primer using a brush Allow to dry for about 1 minute in the air Apply a second layer if neces Sary Warnings Jeko Metal Primer contains Methylmethacrylate Read the material safety data sheet NOTA Jeko Metal Primer can be used combined with Jeko Universal Link every time you wish to obtain a universal metal resin bond with competitor made opaques and composites 6 JEKS 5 Jeko Universal Link Jeko Universal Link is a universal paste primer for light curing opaque for application between the Jeko Metal Primer and Jeko Paste Opaquer or the common light hardening powder or paste opaques available on the market Jeko Universal Link strengthens the chemical bond between primers and opaques and in combination with proper mechanical retentions where required provides a secure adhesion in a simple way Preparation After casting work the metal framework as usual Sandblast the surface 50 micron minimum aluminium oxide at a pressure between 1 and 2 bar maximum and clean it with dry oil free compressed air Application As a primer apply Jeko Metal Primer according to the instructions for use already mentioned Allow to dry then apply Jeko Universal Link of thick consistency using a hard shorthaired brush no wash brand Make sure the layer perfectly masks the retention areas Thoroughly coat the mechanical retention with Universal Link Thanks to its transparency the material has remar
3. Times for Jeko Body and Jeko Top Layering of Jeko Body Dentinal to obtain a dentine shape which is suitable for enhancing the enamel characteristics In this case a more chromatic dentine has been used on the canine Body Dentinal A3 5 and higher value dentines on both the lateral Body Dentinal A2 and incisor teeth Body Dentinal A1 Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top Characterisation also using the Jeko Stains colours Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top Layering of the enamel mass Jeko Body Incisal to complete the morphology and colour harmony Apply the Fixing Agent onto the composite surface and carry out the final light curing Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top The layered bridge finished and polished Example of use of the Jeko Top overlay Application of the enamel mass Jeko Body Incisal In this case the enamel does not give the work piece its final shape as this is obtained by applying a layer of Jeko Top composite mass boosting the extraordinary physical and mechanical properties Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top Layering of the Jeko Top mass used for shape definition Layering of the Jeko Top mass for shape definition After applying the Fixing Agent on the composite surface w
4. a final polymerisation which opti mises the surface and take the inlay off the model refer to the Polimerisation Times chart Prior to final light curing apply the Fixing Agent onto the material surface Finish the occlusal surface with fissure burs and polish with a micromotor using goat hair brushes or felt discs and a polishing paste Nobil Metal s polishing pastes are recommended Brillance Paste and Dia Past and Dia Past polishing kit A carefully finished and polished surface is the base for an optimum result preventing formation of deposits nicotine caffeine and changes in the restoration colour 16 JEKS Cementation of inlays onlays and veneers Remove the temporary workpiece and clean the cavity Position the dam then clean and dry the filed surface of the teeth Check restoration fit exerting a light pressure Pikle the clean tooth apply the bonding and polymerise with a common lightcure unit Apply the composite cement chosen according to the manufacturer s instructions place the inlay on the cavity and press gently If the inlay is thicker than 2mm a dual hardening composite should be used Remove excess composite and polymerise using a common lightcure unit following the manufacturer s instructions Remove excess material with a fine diamond bur and diamond strips Check occlusion and correct as needed NOTE cements available on the market can be used For each phase in the cementation process refer
5. layers Opaque fluidity can be optimised mixing it on a mixing pad On mechanical retentions the product must be applied in a very thin layer Each layer must be polymerised separately refer to the enclosed Polymerisation Times chart Too thick opaque layers prevent optimum polymerisation reducing bonding strength Longer polymerisation times do not give a greater polymerisation depth Useful recommendations The metal framework surfaces must be clean and free from any grease and or post polishing residuals Apply the opaque in very thin layers Mass working times From 1 to 3 minutes depending on the lighting conditions 7 Jeko Body Light hardening monocomponent material for crown and bridge cosmetic coating using a system based on two different inorganic fillers According to the Vita colour system VITA is a registered trade mark of Vita Zahnfabrik The cosmetic coating material comes in screw syringes colour coded by field of application 8 JEKS Brown labels identify cervical masses Red labels identify dentine masses and base masses Blue labels identify the incisal masses and the trasparent masses Pink labels identify the gingival mass Main masses components Inorganic fillers 74 by weight or 66 by volume Glass fillers average particle size 0 7um Pyrogen silica average particle size 0 04um Monomers 25 by weight Urethanedimethacrylate 1 4 Butanedioldimethacrylate Bis GMA Add
6. offered easy to use colours can be mixed together thixotropicity non drip e Stain Primer 3 g bottle Light hardening primer for the development of a dispersion layer on resin surfaces ideal for the following application of Jeko Stains colours Can also be used as a thinner for the stains e Cleaner 50 ml bottle To remove the dispersion layer at the surface after final polymerisation VITA is a registered trademark of Vita Zahnfabrik JEKS 2 Jeko accessories e isolant Liquid 50 ml bottle Oil free insulation liquid for application on the stone of the work model to separate the composite from the stone while working for example inlays and onlays Modelling Liquid 5 ml bottle Modelling liquid Contains methylmethacrylate read the material safety data sheet Bonding Fluid 5 ml bottle Light curing bonding suitable for developing anew the dispersion layer on the surface of the light cured composite when successive layers need to be applied to correct or repair the composite This product con tains methylmethacrylate read the material safety data sheet e Brush for Paste Opaquer Specific brush for the paste opaque e Top Shade Guide A guide of the 6 colours of the Jeko Top masses Mixing pad A plexiglas pad with nonslip feet 3 Nobil Metal products e Pink Bond 5 g syringe Light curing paste opaque to mask the metal framework of skeletal prostheses Thanks to its special and advanced fo
7. part of the dentine mass 3 JEKS e Body Transparent 4 g syringe Light curing paste composite available in the following hues Clear Pink Blue The transparent mass can be applied over the enamel mass for better transparency or under it for greater depth e Body Base 4 g syringe Light curing paste composite Available in only one hue formulated to fill the space of the intermediate bridge elements in order to adjust the thickness of the composite cosmetic coating of the intermediate ele ments to that of the abutment elements e Body Gingival 4 g syringe Light curing paste composite available in only one colour This mass is used to reproduce the mucosa where required e Top Overlay 4 g syringe Light curing paste composite available in six colours Orange Yellow Light Red Clear Blue Thanks to its extraordinary physical and mechanical properties it can be modelled as an overlay on Jeko Body masses to increase certain characteristics such as for example abra sion resistance and the surface hardness value The product is radiopa que and fluorescent e Stains 3 g bottle Light curing paste colours available in 11 shades Clear White Cream Peach Orange Ochre Brown Light Brown Red Blue Black This colouring system allows the characterisations of denture workpie ces also meeting individual specifications which improve aesthetical expectations Some of the advantages
8. remove this layer during modelling If partially or totally destroyed follow the instructions contained in the chapter Corrections and repairs Dentine mass Jeko Body Dentinal Take the dentine mass from the syringe and apply it on the entire surface concerned Apply the dentine so that it is thinner toward the incisal edge Use a spatula to model the central part making it more or less thick 10 JEKS depending on the colour you want to obtain For intermediate polimerisation refer to the enclosed Polimerisation Times chart Jeko Body coating material is applied in thicknesses of up to 2mm and hardened by means of an intermediate polimerisation Additional material layers must never be more than 2mm in thickness Harden them according to the intermediate polimerisation times To ensure good bonding between layers keep the dispersion layer which develops on the composite surface undamaged between applications For the layering of intermediate elements use the base mass Jeko Body Base thickness of each layer 2mm After application harden the Jeko Body Base mass by a final polimerisa tion followed by a polimerisation to optimise the surface and then coat it with the opaque Jeko Paste Opaquer To lightcure the mass Jeko Body Base refer to the Polimerisation Times chart and namely to the columns dedicated to Jeko Body Incisal mass Jeko Body Incisal Take the desired quantity of enamel mass
9. unit with an emission range between 350 and 500 nm The desired physical characteristics can only be attained if lamps are in perfect condition Regularly check lighting intensity following the manu facturer s instructions Recommended range of products for use Jeko Top Jeko Stains prosthesis colouring system Jeko Bonding Fluid Nobil Metal Fixing Agent Jeko Modelling Liquid Jeko Isolant Liquid Nobil Metal Brillance Paste Nobil Metal Dia Past Nobil Metal Dia Past polishing kit Nobil Metal smoothing amp polishing Kit 9 Jeko Stains Lighthardening methacrylate based dyes for dental use Jeko Stains system allows the dentist and the dental technician to meet the increasingly high aesthetical requirements of their patients In a very simple way the system makes it possible to match the existing natural teeth in a partial denture or to make a creative customised full denture II kit Jeko Stains contains 11 colours Clear White Cream Peach Orange Ochre Brown Light Brown Red Blue Black 2 Stain Primers 1 Cleaner Composition Organic matrix Methylmethacrylate Bis GMA Additional components Thickening agent Initiators Stabilizers Pigments Range of application e Characterisation of full and partial denture base resins with protection by means of Clear dye e Customisation of resin teeth available on the market e Colour effects in the crown and bridge technique 18 JEKS
10. Handling Characterisation of full and partial denture base resins Prosthetic units are finished and smoothed with sandpaper taking into account the musculature of each patient After smoothing with pomice stone brush to a gloss the areas that are not to be coloured Thoroughly clean the denture using ultra sounds or steam Take care that the cleaned surface to characterise is not touched afterwards Wet the surface to be coloured with Jeko Stain Primer liquid then light cure refer to the Polymerisation Times chart During polymerisation a dispersion layer develops gluey surface Important if the surface results glossy and not gluey the polymerisation time was too long Surfaces on which the Primer is still runny need a slightly longer polymerisation time Prepare and mix the colour as needed After the denture has been characterised the colours must be light cured as shown in the Polymerisation times chart No intermediate polymeri sation of the individual colouring phases is required The superficial dispersion layer can be removed using a paper napkin soaked in Jeko Cleaner Carry out the final polishing in the usual manner Customisation of resin teeth available on the market Artificial teeth are modified depending on age sex and shape When the teeth have been given the desired shape it is sandblasted with aluminium dioxide 50 mm clean following the instructions given at the pre ceding paragraph Ch
11. Jeko Top Nobil Metal Fixing Agent Jeko Modelling Liquid Jeko Isolant Liquid Nobil Metal Brillance Paste Nobil Metal Dia Past Nobil Metal polishing Kit Dia Past Nobil Metal smoothing amp polishing Kit 8 Jeko Top Light hardening composite for occlusal surfaces palatal surfaces cusp restorations and full coverages II kit Jeko Top contains 6 Jeko Top Overlay in the following colours Orange O Yellow Y Red R Light L Clear C and Blue B Composition Monomer matrix Diurethanedimethacrylate Bis GMA 1 4 butanedioldimethacrylate Total quantity of fillers Inorganic filling material 75 by weight 52 volume glass fillers average particle size 0 7 um pyrogen silicic acid average particle size 0 04 um 14 JEKS Technical data Glass 0 7 198 Water absorption ug mm Water soli Radiopacity ISO 4049 150 Al Transparency Dentine from 2 to 4 Enamel from 5 to 30 Filler content 75 by weight 52 by volume Stability when exposed to room light min 1 3 Filler Glass powder molten silica Range of application e Aesthetical corrections e Indirect veneers e Vestibular coverage for provisional full and partial dentures e Posterior teeth coverage e Inlays e Onlays e Full coverage of veneers e Customisation of resin teeth for removable prosthesis Contraindications Bruxism Clenching Bad habits 15 JEKS Foreword Occlusal materia
12. Jeko Paste Opaquer or opaques available on the market Paste Opaquer Incisal 3 g syringe Light curing paste opaque It comes in only one colours for all Vita shades for characterisation of the incisal margin Can also be used mixed with Paste Opaquer Dentinal 33 Paste Opaquer Cervical 3 g syringe Light curing paste opaque Available in 4 colours suitable for creating the neck effect on the cervical edge area Can be mixed with Paste Opaquer Dentinal to obtain different colours shades Paste Opaquer Dentinal 3 g syringe Light curing paste opaque Available in 10 colours intended as a good base for obtaining the desired colour with the Jeko Body paste compo site Thanks to its formulation it is possible to obtain thin layers which mask the metal well Body Dentinal 4 g syringe Light curing paste composite It comes in 16 Vita colours The denti ne mass Body Dentinal is applied directly on the surface concerned and modelled to make it thinner and shaded at the incisal edge Body Cervical 4 g syringe Light curing paste composite Available in 14 colours to be applied onto the cervical area concerned modelling it into a half moon shape and reducing the thickness towards the middle third of the crown Body Incisal 4 g syringe Light curing paste composite Availabe in 4 colours it is used to com plete both the shape and colour of the cosmetic coating The Body Incisal enamel mass is applied onto the upper
13. andblasting it with aluminium oxide 12 JEKS minimum 50 microns at max 2 bar pressure Blow the surface clean with oil free air and or condensate or steam clean or wash it under runnning water Apply Jeko Bonding Fluid and pre polymerise in a lightcure unit to create a new dispersion layer For intermediate polymerisation refer to the enclosed Polymerisation Times chart A whitish appearance of the pre polymerised Jeko Bonding Fluid indi cates an excessive polymerisation which requires removal of the layer Repeat the operation previously described reducing polymerisation time Now lay the mass Jeko Body and or Jeko Top onto the area concerned and carry out an intermediate polymerisation Then coat the surface with Fixing Agent and subject to final light curing according to the enclosed Polymerisation Times chart Finish and polish the workpiece A note on application The transparency typical of light hardening materials for cosmetic coating requires the use of coloured cervical and incisal opaques for a wholly satis factory aesthetical result In this case the recommended cervical opaques are individually mixed with the corresponding dentine opaques to obtain the desired shade The masses Jeko Body transparent pink and blue placed in the incisal area produce natural colour effects The use of the masses Jeko Body transparent allows reproducing any even extreme transparency effect For additional cha
14. aracterisation of full and partial denture base resins Wet the surface to be coloured with Jeko Stain Primer liquid then light cure refer to the Polymerisation Times chart enclosed hereto Remove the superficial dispersion layer and carry out the final polishing in the same way as described under Characterisation of full and partial den ture base resins Effects on the crown and bridge technique The following working instructions apply to light hardening coating mate rials e After placement of the opaque mass characterise the neck the dentine and the enamel mass with Jeko Stains colours e Individual correction of the coating material is obtained through mixing Inserting and colouring e For polymerisation times refer to the Polymerisation Times chart 19 JEKS Colour working times About 5 minutes depending on the lighting conditions Indications for polymerisation Polymerise with a light cure unit having an emission range between 350 and 500 nm The required physical characteristics can only be attained if lamps are in perfect technical condition Regularly check lighting intensity following the manufacturer s instructions Warning Jeko Stain and Jeko Primer products contain methylmethacrylate OO Jeko Cleaner contains 2 Propanol read the relevant Material Safety Data Sheets 10 Finishing and Polishing Finishing of the cosmetic coating Use silicone tips wheels lenticular cylind
15. des Cervical Dentinal Incisal Cervical Dentinal Incisal EM n m 23 y uebojey seHuouys Bund oas G7 usuag uBiH SPUODAS 06 SI 0 8S SI yun ay au LUNWIUILU ay SPUODES OF Xew 104 J WId UIS OYEL su uu j Od uolisod 3souwueddn sy ul ajejd Buinjonay UU 9 pi j j ns _ T j o jeusq zenbs 9908 he sog sogi 99806 30 asos 99806 soe Sun NEE ONE NEE NEE SE HE NEE pI ae C o e E e j E y woo we wo we we woo wwe wus wuso wui nuan All j 9 UIUJ x O OO J kksuq uonesuow jod uowesuewAjod uonesuewiAjod uonesumdo uoesuewAjod uonesu u jod sI J9ulllq aoeung eui aerpawau aoeung feul erp wa u Janbedo yun bia utes oyar aise 9191461 SUIEIS OY9p dol oyer pog oyar 158d 149 SIn0 09 yep dol oyer pue pog oy r 10 saul uonepsiu u jod JEKS 24 Standard layering of a veneer crown Metal protection on the incisal edge Metal framework with mechanical ball retentions Sandblast the metal surface with aluminium oxide at 50 micron and clean with dry oil free air Application of a thin layer of the Jeko Metal Primer bonding agent Leave to dry for about 1 minute Application of Jeko Universal Link on the surface treated with Jeko Metal Primer The layer of Universal Link must completely invest the mechani cal retention and be particularly concentrated in the undercut areas o
16. e Jee Light curing composite material for crowns and bridges be A NoBIL METAL JEKS Light curing composite material for crowns and bridges User Manual JEKS Summary LL Jeko COMPONENTS m mmmmmmmmmmmmmmmmmmmmmm pag 2 Jeko accessories siwcsassccasscvecsecsssinunsosscouthsavonsindstdiecddecdvsenicguaniascoatelh atasesctish caesontess gt 3 Nobil Metal products aaa gt 4 Jeko Metal Primer suitable for the metal substructure 5 Jeko Universal Link suitable for the metal substructure 6 HERO Paste isos Te JOKO BOOY mm wwwvvwwvwwvvwvwwwwwvvwuvvvvvv gt Oe JOKO TOP mm m uw vwwuwwvwwewwwwwwwvwvwwwwwvwwwwwvwvwvv gt 9 JUEKO SISI unan gt 10 Finishing and Polishind score ona gt 11 General information oo ccccccsesssesssesssecssecssscsssesssecssecstecsseceseeeseesteesseensees gt Colour correlation chart ios gt Polimerisation times for Jeko Body and Jeko Top gt 0 N O O O W 18 20 20 23 24 JEKS Jeko components Metal Primer 5 ml bottle Primer for bonding the Paste Opaquer to the metal framework It inte racts in a stable and optimum way with resin as well as with metals non precious precious titanium Universal Link 4 g syringe Universal light curing paste primer for opaque to apply between Jeko Metal Primer and any
17. f the mechanical structure or in those areas difficult to reach by a lamplight Grey metal red Metal Primer blue Universal Link Light curing refer to the recommended times for Jeko Paste Opaquer in the chart Polymerisation Times for Jeko Body and Jeko Top Application of a first thin layer of Jeko Opaquer Dentinal Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top Application of a second layer of Jeko Opaquer Dentinal to obtain the total masking of the metal surface Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top Layering of Jeko Body Cervical mass starting from the cervical margin of the metal framework and gradually reducing its thickness up to the middle third of the crown Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top Layering of the dentine mass Jeko Body Dentinal Slightly overlap the cervical mass with the dentine in the marginal area then model the dentine to the desired thickness according to the shape of the crown The thickness of the dentine mass is gradually reduced towards the incisal margin to create the dentine shape Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top Layering of the enamel mass Jeko Body Incisal Apply the enamel mass on the upper part of the layered dentine covering only the area of the incisal third
18. from the syringe Place the mass on the upper part of the coating onto the dentine layer on the third incisal area only For the purpose of obtaining certain effects it is possible to apply the transparent mass under the enamel mass greater depth or over the enamel mass greater transparency When the coating has the desired shape it can be polimerised For intermediate polimerisation refer to the enclosed Polimerisation Times chart Before final polimerisation the coating must be thoroughly covered with Nobil Metal s Fixing Agent The Fixing Agent an oxygen inhibiting gel for composites prevents the development of the dispersion layer and facilitates finishing For final polymerisation refer to the enclosed Polymerisation Times chart Surface optimisation If light curing is carried out as prescribed the coating veneer shows a higher yellow value due to the catalyst To obtain and fix the final colour the final surface must be obtimised by light curing it again Refer to the enclosed Polimerisation Times chart 11 JEKS Mass working time From 1 to 3 minutes depending on the lighting conditions Polimerisation depth Polimerisation depth is 2mm To ensure ideal physical characteristics it is recommended not to apply layers of more than 2mm thick Use light curing equipment with an emission range between 350 and 500 nm The required physical characteristics can only be attained if lamps are in
19. ith a brush light curing is carried out Light curing refer to the chart Polymerisation Times for Jeko Body and Jeko Top The crown finished and polished vestibular view The crown finished and polished occlusal view The crown finished and polished distal vestibular view e Milan Turin TORINO Moncalieri Chieri Villanova d Asti Villafranca d Asti ASTI NOBIL METAL ALLOYS amp DENTAL SOLUTIONS Sy Rev 06 2015 Strada San Rocco 28 32 34 e 14018 Villafranca d Asti Asti Italy e Tel 39 0141 933811 e Fax 39 0141 943840 E mail info nobilmetal it export nobilmetal it http www nobilmetal it
20. itives 1 by weight Catalysts stabilizers pigments Technical data Transparency Dentine from 1 to 4 66 by volume sn AS to room light Min 1 3 Colour stability According to a C w JEKS Range of application Fixed prosthesis e Integral crowns crowns and bridges with metal support adhesive bridges e Inlays onlays overstructures on implants veneers long term tempo rary workpieces Removable prosthesis e Conical and telescopic crowns e External parts of attachments Contraindications Bruxism Clenching Bad habits Preparation Model the bridge and crown frameworks as usual and place mechanical retentions with a diameter ranging between 200 um and 600 um sphere retentions are recommended Make sure the closing edges between metal framework and cosmetic coating are groove shaped or mounted as with the glass of a watch Application Layering of Jeko Body cosmetic coating Cervical mass Jeko Body Cervical Turn the syringe screw to squeeze out the cervical mass Apply the mate rial onto the cervical area of the surface concerned Work the material to make it thinner towards the crown centre Polymerise after each layering For intermediate polymerisation refer to the enclosed Polymerisation times chart During polimerisation a thin dispersion layer develops on the surface This layer is essential to the chemical bond between the layers that will be applied afterwards Do not
21. kable curing properties which guarantee optimum hardening Cure and refer to the times indicated for the opaque paste Jeko Paste Opaquer given in the enclosed chart Polymerisation Times Applying the opaque At the end of the process apply the Jeko opaque following the instruc tions for use described in point 6 of this manual Useful recommendations The metal framework surfaces must be clean and free from any grease and or post polishing residues Do not use intermediate polimerisation equipment for the polimerisation process Information on polimerisation Light curing must be carried using equipment with an emission range between 350 500 nm Mass working times From 1 to 3 minutes depending on the lighting conditions JEKS 6 Jeko Paste Opaquer Preparation Model bridge and crown frameworks as usual and place mechanical reten tions with a diameter ranging between 200 mm and 600 mm sphere reten tions are recommended Make sure the closing edges between metal framework and cosmetic coating are groove shaped or mounted as with the glass of a watch Apply Jeko Paste Opaquer on the surface already treated with Jeko Metal Primer and Universal Link Application Apply a thin layer of paste opaque Jeko Paste Opaquer Use the short haired brush supplied with the product The opaque layer must provide complete masking in order not to affect the final colour For an effective masking apply at least two
22. ls Jeko Top must not be placed directly onto the metal or the opaque In a first phase a layer of Jeko Body mass is applied on the metal after it has been treated with adhesive and opaque Follow the relevant user instructions This flexible intermediate layer absorbs loads and stresses Preparation Layering of occlusal masses is carried out using an Overlay mass of the selected colour see Jeko Shade Guide Layering must not exceed 2mm in thickness Prior to applying Jeko Top to Jeko Body masses already layered these must be subjected to an intermediate polymerisation refer to the Polymerisation Times chart Inlay by the indirect technique Inlay build up Cast the model in the laboratory Use an extra hard plaster Type IV When the plaster has hardened lift the model from the impression Fill the undercuts and insulate using an oil free insulation liquid e g Jeko Isolant Liquid Build up the inlay on the model Use Jeko Body to model deep proximal and occlusal areas first Each layer can be 2mm thick max Jeko Top masses are used for the inlay final coating The workpiece can also be made entirely with Jeko Top The intensive colours for characterisation for ex Jeko Stains Kit can be applied between the different Overlay masses Each layer is subjected to an intermediate polimerisation with a suitable ordinary unit refer to the Polimerisation Times chart Finish and harden the inlay by means of
23. oral in writing or through practical directions are based on our experience and should be consi dered as a general guide gt Our products are subject to continuous developments We reserve the right to make changes at any time and without prior notice gt Jeko Body meets the requirements of standard EN ISO 10477 This standard is not applicable to the use of the material in the lateral sector in which it undergoes occlusal force gt lf used correctly this product a Medical Device has no side effects In principle however immune reactions e g allergies or local sensitisation cannot be totally excluded Please report any unwanted side effects or even only the suspicion of such gt In case of patient hypersensitivity to any of the components only use this product under strict control of a doctor or dentist In such cases it is possible to request the composition of our medical device The dentist must take into account when using this product possible cross reactions or interactions of the product with other sub stances already present in the patient s mouth gt Should this medical device be subjected to special processes please forward all the above information to the dentist 21 JEKS gt During preparation it is recommended to read the instructions for use and observe the material safety data sheets gt Substances containing phenol e g Eugenol inhibit polymerisation Do not use materials containing s
24. perfect technical condition Regularly check lighting intensity following the manufacturer s instructions Cosmetic coating finishing Use silicone tips wheels lenticular cylindrical and tungsten or steel burs To obtain a good polishing take care to avoid causing any friction heating up on the material surface Polishing Polish with goat hair brushes or felt discs and polishing paste Nobil Metals polishing pastes are recommended and with soft cotton discs mounted on a hand piece e To obtain an ideal polishing after finishing has been carried out place a small quantity of Dia Past paste on the surface and polish following the instructions supplied with the product e To obtain a good result and prevent the formation of deposits nicotine caffeine etc and colour alterations the surface must be finished and polished with the utmost care e Then polish the entire surface with Brillance Paste Use goat hair brus hes Set the micromotor to a maximum of 8 000 revs e For final buffing use a cotton disc Brilliance Paste can be used with the cotton disc e After polishing wash under room temperature running water Use a brush and a detergent e During finishing of Jeko Body dusts are produced as is the case with all resins It is recommended to carry out finishing in a well ventilated room Corrections and repairs Roughen the coating up to 2mm past the margin of the area to be sub jected to repair and or correction s
25. racterisations of the Jeko Body cosmetic coating the Jeko Stains denture colouring system can be used Useful recommendations Opaque polymerisation e Frameworks must be degreased and free from any polishing paste residue e Mix the opaque homogeneously It is recommended to apply the opaque in two layers Polymerise each layer separately Opaque removal e Model the pontics to ensure support to the masses Jeko Body as required by the occlusal situation protection against occlusal stresses e Avoid pre contacts e Adhere to the minimum thickness of layers and to the polimerisation times for the various components 13 JEKS e Place suitable mechanical retention spheres Air inclusions e Turn the syringe screw to squeeze out the paste and collect the mass on a special tool taking care not to push the tool inside the tip e Apply enough mass to treat the whole coating and spread it e Do not mix Jeko masses use the layering technique Discolorations and plaque deposits e Check the lighting power of the lightcure unit e Seal the surface and polish to a high gloss e Place the frameworks in the lightcure unit according to instructions e Adhere to the recommended thicknesses and polymerisation times for Jeko Body masses Recommended range of products for use with Jeko Body Jeko Stains prosthesis colouring system Jeko Metal Primer Jeko Universal link Jeko Bonding Fluid Jeko Paste Opaquer
26. rical and tungsten or steel burs to finish the cosmetic coating Polishing Polish with goat hair brushes or felt discs and polishing paste Nobil Metals polishing pastes are recommended and with soft cotton discs mounted on a hand piece e To obtain an ideal polishing after finishing has been carried out place a small quantity of Dia Past paste on the surface and polish following the Instructions supplied with the product eTo obtain a good result and prevent the formation of deposits nicotine caffeine etc and colour alterations the surface must be finished and pol ished on the bench with the utmost care e During finishing of Jeko Body dusts are produced as is the case with all resins It is recommended to carry out finishing in a well ventilated place 20 JEKS 11 GENERAL INFORMATION Preservation and storage It is recommended to store the material at a temperature between 10 C and 25 C Close containers immediately after use and protect against direct light Keep in a dry ventilated place Turn the syringe screw counter clockwise to prevent any unwanted mate rial discharge Read the reference safety data sheet dispose of the product carefully Expiry date The maximum expiry date is printed on the label of each package next to the reference symbol It is recommended not to use the product after its expiry date or if not preserved properly Warnings gt Our technical instructions for use whether
27. rmulation featuring integrated adherence components this opaque requires no additional adherence system It comes in two shades of pink Light and Dark which can be mixed together to obtain different colour hues e Fixing Agent 2 g syringe This gel agent prevents the development of the dispersion layer on the composite surface thus facilitating complete polymerisation and finishing Brillance Paste 2 g syringe Aluminium oxide based paste especially formulated to smooth and polish the Jeko composite surface JEKS e Dia Past 2 g syringe Diamond paste 4 micron particle size for polishing e Dia Past Polishing Kit Diamond paste 2 g syringe supplied complete with felt and cotton polishing accessories e Smoothing polishing kit 84 assorted pieces for gold resin and composites 4 Jeko Metal Primer Jeko Metal Primer is intended for bonding resins or composites to any type of metal Preparation Model the bridge and crown frameworks as usual and apply mechanical retentions with a diameter ranging between 200 um and 600 um sphere retentions are recommended Make sure the closing edges between the framework and the cosmetic coating are groove shaped or mounted as with the glass of a watch After finishing sandblast the surface to be coated with aluminium oxide 50 um minimum at a pressure between 1 and 2 bar maximum and clean with dry air Application After cleaning the surface apply a thin layer of Jeko
28. to the instructions supplied by the manu facturer of the products used Useful recommendation e Avoid inclusion of air bubbles e Thickness must not exceed 2 mm 1 1 5mm thickness is recommended e Due to the air oxygen a thin non polimerised film develops on the sur face the dispersion layer This film allows chemical bonding between the various layers and must not be touched or contaminated with humidity e Prior to final polymerisation apply the Fixing Agent on the material sur face The Fixing Agent prevents the material reaction with oxygen thus allowing a thorough hardening of the surface After polymerisation remove the Fixing Agent Use a brush and running water or remove it with fabric cloth Product traces if any will be removed by the finishing and polishing phases afterwards e n the case of complex modelling work in dim lighting or cover the material with a sheet that does not let light through Polymerisation Exposure time for intermediate polymerisations is about 60 90 seconds using a common lightcure unit for all colours and for each layer Intermediate polymerisations can also be carried out with shorter light exposure times if units for preliminary pre hardening polymerisation are available Hardening and final colour are obtained after final polymerisation refer to the Polymerisation Times chart of the last layering 17 JEKS Information on polymerisation To polymerise use a lightcure
29. uch substances gt This product was developed for its specified purposes only and must be used in accordance with the instructions for use The manufacturer does not accept any liability for damages resulting from improper use or preparation gt When not completely hardened the material can change colour its mechanical properties worsen and irritation of the pulp cannot be excluded gt As is the case with all resins during finishing of Jeko composite fine dust particles may be generated It is recommended to work over a suc tion system in a well ventilated area gt Keep out of reach of children IMPORTANT NOTICE Nobil Metal S p A its Direct Agents and Licensees can in no way be held responsible for losses or damages consequent or resulting from the use of these products This these product s must be used exclusively for the applications specified in these instructions for use and its their use is restricted to dental professionals The Jeko Line is reserved for dental technicians for laboratory use and on pros thetic workpieces The user of this these product s must before using it them make sure it they is are suitable for the application he wishes to use it them for and shall assume all risks and responsibilities Nobil Metal reserves the right to change these instructions at any time without prior notice Jeko is a registered trademark of Nobil Metal S p A 22 JEKS Vita Jeko Paste Opaquer Jeko Body Sha
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