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FlexMaster®

1. O Info VDW SILVER 81709 Munich Germany Info Raypex 5 __ Info BeeFill obturation devices info vdw dental com www vdw dental com VW000163 Rev 11 02 10 08 Place your stamp here and send by fax to 49 89 62734 304
2. FlexMaster 06 instruments ISO 15 20 25 30 35 40 21 25mm single sizes FlexMaster 04 06 instruments ISO 20 25 30 21 25mm 1 piece each taper 04 06 assorted BasicKit FlexMaster instrument set 21 or 25mm IntroFile fine K file for probing FlexMaster SystemBox for standard sequences with transparent lid autoclavable FlexMaster AccessoryBox for additional instrument sizes with transparent lid autoclavable FlexMaster CombiBox ideal for standard sequences and additional instrument sizes with black lid autoclavable Ref 489 Ref 490 Ref 479 FlexMaster Control Stickers for SystemBox FlexMaster Control Stickers for AccessoryBox LavEndo Washbox for convenient disinfection of the FlexMaster instruments Ref 1040 FlexMaster Starter Kit Ref 1010 Ref 1103 Ref 1104 Dees Ref 1079 additional small head contra angle 6 1 i Era T pi each 1 BasicKit 21 and 25 mm 1 SystemBox 2 x 3ml FileCare EDTA 3 plastic training blocks FileCare EDTA 1010 000 002 pack with 2 x 3ml 1010 000 005 pack with 5 x 3ml VDW GOLD with small head contra angle 6 1 Multifunctional endomotor with integrated apex locator and well thought out functions Individual settings for all major file systems are pre programmed and can also be changed and saved allowing the utmost flexibility Safety features such as torque control acoustic signals and automatic stop reverse etc Ad
3. of the elements Nickel and Titanium was developed by the Naval Surface Warfare Center in USA formerly Naval Ordnance Laboratory The result is an intelligent material with memory effect For the FlexMaster instruments we use a special alloy consisting of 54 nickel and 46 titanium 5 How important is instrument design Experience gained with first generation rotary NiTi instruments showed how important it is for the design of the file to be suitable for anatomical conditions in different root canal sections from coronal to apical taking the specifics of the material into account high friction high instrument stress One characteristic of the first generation NiTi N instrument design was large contact surfaces to the canal wall causing high friction and high stress on the instruments due to the high tor sional forces This also resulted in higher tem peratures generated by friction and in increased smear layer formation 1 generation The second NiTi generation adopted the cut ting blade geometry of traditional steel files But this not only weakened the instrument core and reduced the memory effect of the material it also favoured file deformation and made the instruments with this cross section vulnerable to fracture Furthermore the angle of the cut ting blades often caused instruments to screw into the canal i e without any use of pressure the instrument screwed into the canal and was difficult for the
4. practitioner to control Screw in effect 2 generation VDW took all this experience into account and developed an intelligent instrument design FlexMaster FlexMaster FlexMaster uses the efficiency of traditional K type cutting blades i e a convex cross section to stabilize the instrument core and a cutting blade angle suitable for rotary use grd generation 6 The advantages of the FlexMaster instrument design at a glance K type cutting blades Cross section of a FlexMaster instrument SEM magnification 500x K type cutting blades 1 High cutting efficiency 2 Improved torsional resistance 3 Reduced friction 4 Large space for dentin removal 5 Reduced smear layer formation Convex cross section 1 Stable instrument core 2 High torsional resistance Nickel Titanium 1 Memory effect 2 No tendency for instrument deformation Individual cutting angles for each instrument size 1 No undesired screw in effect 2 Improved control of the file Inactive instrument tip 1 Guides the instrument in the canal curvatures 2 Significantly reduces perforation risk 7 Taper what does it mean Taper means gradual increase in diameter over the length conical shape Traditional steel files have a 2 taper in compliance with ISO no 3630 i e taper 02 The increase in cross section diameter from the tip towards the end of the working part is 2 or 2 100mm per 1m
5. studies FlexMaster is a promising easy to use system with clear self explanatory instrument sequences providing excellent clinical results Prof Michael Bauman University of Cologne Germany Extract from Working with the FlexMaster system Endodontic Practice June 2003 30 Min Manual instru mentation FlexMaster and time saving Weiger University of Tubingen 12 2000 Maschinelle Wurzelkanalaufbereitung mit vollrotierenden FlexMaster Instrumenten NiTi reference system FlexMaster Conclusion Compared to a NiTi reference system and prepara tion with manual instruments FlexMaster is the system that needs the least time for root canal preparation FlexMaster NiTi 2 NiTi3 NiTi4 E E E FlexMaster shows the best cutting efficiency compared to other NiTi systems Cutting efficiency 30 data on file Schwarze Ehrhardt Med School Hannover 02 2001 Schneidleistung von FlexMaster NiTi Feilen im Vergleich zu anderen NiTi Herstellern Conclusion FlexMaster instruments show best cutting effi ciency compared to the other tested makes FlexMaster NiTi 2 NiTi3 NiTi4 P ogy Torsional resistance data on file 120 06 20 06 25 100 FlexMaster shows the best torsional resistance compared to other NiTi systems r Schwarze Ehrhardt Med School Hannover 02 2001 Bruchfestigkeit Torsionspr fung von FlexMaster NiTi Feilen im Vergleich zu anderen NiTi Herstell
6. FlexMaster the rotary NiTi system for every case Easy Gi we Efficient Contents Why nickel titanium How often can use a NiTi file What exactly is nickel titanium How important is instrument design Taper what does it mean COON O OO A WD N lt O 10 What is crown down pressureless 11 How to use FlexMaster O 12 The advantages of the sequences 13 Instructions for use 14 Resilience of FlexMaster v 15 Clinical results ye p am 3 A 16 References scientific studies 17 All you need for your endodontic success 2 T 2 Hs E Why change to the FlexMaster NiTi system Why do need instruments in different tapers Why do I need a special motor for NiTi instruments The advantages of the FlexMaster instrument design at a glance O O O Qn ero Oo Oo KR WO O mk i Ltt KR N N O 1 Why change to the FlexMaster NiTi system e t takes half the time needed for preparation by hand e The quality of your root canal preparation will be excellent and reproducible with significantly less effort e You will achieve a uniform conical canal shape without any clinically significant transportation of the canal axis e You do not need to use pressure as you will be working with a motor e You will use simple and tested file sequences with only a few instrument changes e You will significantly reduce t
7. cs for rotary instrumentation Removing dentinal debris in full rotation the mechanical load increases with the angle of the ee Canal curvature 3 How often can I use a Nifi file Dentin removal with a rotary system the stress on the material increases with the degree of canal cur vature Steel instruments will deform when they undergo too much stress so they can be identified before they fracture NiTi files however do not bend or unwind they fracture without warning In order to reduce the risk of fracture NiTi files must be used with a low torque and torque control drive system FlexMaster NiTi files can be used repeatedly The special autoclavable labels for the lid of the FlexMaster SystemBox allow you to record frequency of use with a permanent marker We recommend file replacement after 8 markings at the latest as risk of fracture increases significantly with instrument wear When a file has been used in a strongly curved canal mark two or even three boxes on the control label depending on the stress it was sub jected to This method has been successfully tried and tested FlexMaster is economical because few instru ments are needed per treatment In most cases 4 instrument sizes will suffice to reach the apex and apical enlargement can be made with 2 to 4 instrument sizes Control 1 i i z 4 What exactly is nickel titanium Nitinol Nitinol as a combination
8. ditional programme for canals with difficult anatomy Battery operated can even be used while charging VDW GOLD FlexMaster StarterKit 1 FlexMaster Basickit 21 and 25mm 1 FlexMaster SystemBox 3 plastic traing blocks 2 x 3ml FileCare EDTA 1 user manual Ref 1153 VDW SILVER with small head contra angle 6 1 Small handy endo motor featuring an ergonomic life style design Excells in its intuitive menu navigation and its clearly structured menu Operates with battery as well as with power supply Torque and rotational speed values for both NiTi systems Mtwo and FlexMaster are preprogrammed Doctor s choice programme is able to memorize individual settings Automatic reverse and acoustic warning signals when the device is in reverse rotation providing a safe feeling Ref 1154 VDW SILVER FlexMaster Starterkit 1 FlexMaster Basickit 21 and 25mm 1 FlexMaster SystemBox 3 plastic traing blocks 2 x 3ml FileCare EDTA 1 user manual Ref 1079 additional small head contra angle 6 1 Ref 0145 Raypex 5 apex locator For precise and fast length determination The true shape of curved canals often cannot be seen on a 2 dimensional X ray Raypex 5 gives the third dimension and shows the movement of the file in the entire root canal The exact location of the apical constriction and the apical foramen are clearly indicated VDW GmbH Information request P O Box 830954 E Info VDW GOLD
9. e canal UpM until removal Do not start or stop instrument within the canal P Clean and check the instrument for signs of damage before every use Exert only light pressure on the contra angle Allow the instrument to work with a filing action Allow the instrument to work in the canal with 5 8 light up and down pumping motions for Depending on the canal size three 0010 maximum 10 seconds different sequences are available EDTA removes smear layer and improves the instrument s efficiency Due to the foaming effect of FileCare EDTA after contact with sodium hypochlorite pulp tissue and dentin are actively flushed out of the canal Via Use a chelator and rinse the canal between instrument changes The chelator e g FileCare Large canals IntroFile ee FlexMaster nickel titanium instruments just like every high quality instrument can be sterilized in autoclave Repeated sterilization does not affect the cutting efficiency or the physical proper ties of the instruments The FlexMaster SystemBox with perforated bottom is ideal for use in autoclave N wre NOA wes O00 ams O O 1O Prior to sterilization we recommend recording the use of each instrument according to the degree of canal curvature on the FlexMaster Control Sticker Use a permanent marker In the case of complicated canal anatomy use a new instrument As with every new technique practice with the FlexMaster instruments in plastic blocks and e
10. ern 40 20 Conclusion FlexMaster instruments show the best torsional resistance compared to other makes 0 Further studies excerpts Gressmann H lsmann Universit t G ttingen Endodontie 10 227 2001 Die maschinelle Aufbereitung mit FlexMaster Nickel Titan Instrumenten Sch fer Lohmann Universit t M nster 1 Int Endod J 35 98 2 Int Endod J 35 514 2002 Efficiency of rotary nickel titanium FlexMaster instruments compared with stainless steel hand K Flexofile Part 1 Shaping ability in simulated curved canals Part 2 Cleaning effectiveness and instrumentation results in severely curved root canals of extracted teeth Chanteaux Baumann Giedziella Hellmich Baumann K ln Int Endod J 35 99 2001 Cleaning and shaping efficiency of FlexMaster evaluated by SEM 17 All you need for your endodontic success m oe E _ Sterile packed in blister cards of 6 pieces fy e E Vs ti j i Sterile packed in blister cards of 6 pieces Ref 357 Ref 341 Ref 342 Ref 343 Ref 344 Ref 346 Ref 340 Ref 345 Ref 445 FlexMaster IntroFile 19mm Taper 11 ISO 22 FlexMaster 02 instruments ISO 15 21 25mm ISO 20 25 30 35 40 45 50 60 70 21 25 31 mm Single sizes and assorted ISO 25 45 FlexMaster 04 instruments ISO 15 21 25mm ISO 20 25 30 21 25 31mm single sizes ISO 35 40 21 25mm single sizes
11. h a stopper e At constant speed between 250 and 350 rpm introduce the first FlexMaster file of the selected sequence e Use light pumping movements for approx 5 10 sec until the file s progress becomes more difficult Do not exert any pressure e Change to the next smaller instrument size and continue preparing step by step until you have reached approx 2 3 of estimated WL 5 Determination of the exact WL e g with Raypex 5 or x ray and complete crown down preparation 04 30 02 20 6 Apical enlargement Use FlexMaster files 02 green circle in 02 35 O 02 25 increasing sizes on full WL up to max ISO 070 depending O DO on the root canal anatomy O 02 30 12 The advantages of the sequences 13 Instructions for Use e They have been developed and clinically tested by experienced endodontists e They achieve best results in the shortest time e The instrument sequences are easy to remember e The sequences are printed on the BasickKit and on the SystemBox e The sequences are pre programmed in the VDW endo motors For safe and efficient operation of the FlexMaster NiTi files the following instructions must be observed Always use the files in a rotating low torque contra angle We recommend a torque controlled motor VDW SILVER and VDW GOLD are endo motors programmed for FlexMaster instru ments page 15 950 359 Maintain a constant rotation between 250 and 350 rpm from insertion of the file into th
12. he number of instruments you use 2 Why nickel titanium Because of its properties Steel cannot be used with a rotary system in curved canals Try bending the working part of a steel instrument to a 40 to 60 angle You will now have a bent file If you rotate this file around its axis and watch the radius of the file tip you will see that this cannot work in the root canal Transportation of the canal axis zip and elbow effects as well as excessive dentin removal would be the result Most impor tantly the steel instrument would not be able to withstand the pressure in the canal and would fracture very quickly For this reason the giromatic principle of a 90 back and forth rotation was the limit for steel files Endodontists did discover that good results can be achieved with pre bent steel files when preparing root canals by hand using the balanced force technique according to Roane Nevertheless this is a very time consuming and stressful procedure Nickel titanium NiTi alloy behaves very differently The material is extremely flexible and has a memory effect If you bend a NiTi file to 40 60 you will immediately see the differ ence in flexibility This exceptional flexibility is as important as the memory effect If you release the bent NiTi file it will immediately resume its original position The combination of these two important factors makes nickel titanium alloy the best material presently available in endodonti
13. largement The shaft is shorter than that of most instruments and ena bles easier access to molars Colour coding for ISO size Working length can be marked with the silicone stopper The taper of every FlexMaster file is identified by ring markings on the shaft e One ring taper 02 e Two rings taper 04 e Three rings taper 06 Depth markings on the work ing part allow determination of the exact position of the instrument on x ray ee ee ee E a E E 9 Why do I need a special motor for NiTi instruments Steel files unwind before they break They can be checked prior to sterilization and dam aged files discarded Due to nickel titanium s memory effect NiTi files do not deform they break without warning when submitted to excess stress or material fatigue In order to take full advantage of the nickel titanium material and effectiveness of the instrument design and in order to avoid the unpleasant consequences of instrument fracture the file must be used in the canal with e aconstant rotation of approximately FLESMASTER BLUE 300 rom and e a constant force torque according to the size of the file FM Bra6 26 70 250 For these reasons you need an intelligently programmed motor with torque and speed control which monitors the speed and torque of each instrument precisely and safely according to its specific mechanical data Additional functions such as Auto Stop Reverse ASR which au
14. m A file of ISO size 20 with a 16mm working part measures 20 100mm at the tip and 52 100 mm at the end of the working part 20 100 16 x 2 0 52 Taper 04 has a cross section diameter increase of 4 i e a strongly tapered instrument Taper 06 means an increase of 6 etc 02 2 tapered working part shank marking diameter mm at distance D from instrument tip with 2 increase 04 4 tapered working part with 4 increase ey 06 tapered working part ye 6 J with 6 increase 8 Why do I need instruments in different tapers The goal of root canal preparation is to create optimal conditions for a tightly sealed and long lasting root filling which includes a uniformly tapered canal shape A fast and safe way to achieve this goal is with intelligently coordinated instrument sequences of different tapers e large taper in the straight canal section e medium taper in the curved canal section e small taper for apical enlargement Large and medium tapers allow speedy dentin removal The number of instrument chan ges is reduced to a minimum Small tapered files are used for better apical shaping and preservation of the original canal axis centre line FlexMaster taper 02 04 06 and 11 1 11 for the IntroFile for conical enlargement of root canal orifice replaces 2 or 3 Gates enlargers 2 04 and 06 used for crown down phase 3 02 for safe apical en
15. tomatically frees instruments blocked in the canal increase safety and reduce stress for the practitioner On pages 15 16 you will find an overview of motors recommended by VDW 10 What Is crown down pressureless It means preparing a root canal eSpstarenisiaeinent with instruments in decreasing crown down phase sizes step by step toward the apex 1 without using pressure To begin with it is necessary to determine the approximate canal length with an initial x ray The exact working length will be determined when reaching approx 2 3 of the esti mated canal length Using one of the new electronic length determi nation devices e g Raypex 5 is more accurate and faster than x ray imaging After this the apex is enlarged with instruments in increasing sizes each instrument to the full working length The crown down method for rotary root canal preparation has been widely tried and tested 11 How to use FlexMaster hk Take an initial diagnostic x ray to estimate working length 2 Introduce a VDW C PILOT file or a fine K file to determine the size of the canal large medium narrow and select the instrument sequence diagram p 10 3 Create straight coronal access with the IntroFile and enlarge conically narrow canal 4 Crown down phase From the beginning of the preparation use a lubricant FileCare EDTA and rinse regularly and thoroughly with NaOCl Mark approx 2 3 of estimated working length WL wit
16. xtracted teeth to become familiar with them before using them on a patient Narrow canals IntroFile 06 20 The FlexMaster technique allows root canal preparation in a very short time The depth mark ings on the instrument shaft show the position of the instrument clearly on the x ray and you are 06 25 able to identify the working length of the canal throughout the treatment 04 30 04 28 LO aerator 04 20 4 i 14 Resilience of FlexMaster 02 20 06 20 04 30 04 25 02 25 o tests For example fatigue resistance was measured according to ISO 3630 1 at 350 rom with a 5mm deviation of the tip Cutting efficiency was measured at five different working lengths at 350 rpm FlexMaster files have proven their torsional resistance and cutting efficiency in numerous 15 Clinical results The FlexMaster technique provides the best results in significantly less time SEM photographs by courtesy of Dr Thomas Schwarze Medical University Hannover Germany Coronal segment of root canal wall prepared with FlexMaster Magnification x60 Same segment smear layer removed Magnification x1000 Same segment fragment of canal wall Magnification x800 Canal wall mid segment after preparation with FlexMaster Magnification x100 Apical segment of root canal wall prepared with FlexMaster files thin homogeneous smear layer Magnification x500 16 References scientific

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