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MECHANICAL GLIDE PATH & PREFLARING NEW ROTARY NiTi INSTRUMENTS FOR.

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Presentation on theme: "MECHANICAL GLIDE PATH & PREFLARING NEW ROTARY NiTi INSTRUMENTS FOR."— Presentation transcript:

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2 MECHANICAL GLIDE PATH & PREFLARING NEW ROTARY NiTi INSTRUMENTS FOR

3 PREFLARING & GLIDE PATH– DEFINITION  Preflaring is the preliminary root canal enlargement needed to reduce the risk of taper lock of the tip of the first rotary instrument used to shape the canal.  Glide Path is obtained during preflaring and corresponds to the smooth canal preparation that rotary instruments can follow without the risk of blockage or bending.  Until now, this stage is conventionally performed with hand SST instruments, such as K-Files 008, 010 or 015.

4 PREFLARING & GLIDE PATH– IMPORTANCE  Study conclusions By creating a canal (a Glide Path) at least as large as the diameter of the NiTi rotary instrument that will be used successively (and which has a greater taper), drastically reduces the torsional stress and, therefore, the risk of file separation.

5 PREFLARING & GLIDE PATH– IMPORTANCE  Glide Path is an essential step: - to fully understand and appreciate the anatomy of the canal to be treated (i.e. mentally develop a three dimensional image of the canal system to shape) -to reduce the risk of rotary instrument breakage

6 MANUAL PREFLARING – PROBLEMS  The initial preflaring and glide path are normally carried out with stainless steel hand files.  Because of the relative stiffness of these instruments, it can be difficult to avoid the risk of: -canal transportation → may lead, in severe cases, to root canal perforation

7 MANUAL PREFLARING – PROBLEMS  Because of the relative stiffness of these instruments, it can be difficult to avoid the risk of: -ledges → the tip could block in the canal and, if not withdrawn but pushed apically, could eventually break -apical zip → may lead to obturation difficulties

8 PREFLARING & GLIDE PATH – NEW SOLUTION  PathFile™, a new rotary Nickel-Titanium solution for Mechanical Glide Path and Preflaring  A new range available in 3 ISO sizes (013, 016 and 019) and 3 lengths (21, 25 and 31mm). Flexible and resistant to cyclic fatigue, they offer many advantages compared to manual solutions.

9 PATHFILE™ – STANDARD SEQUENCE  Scout and negotiation with a standard K-File #010 until it can move smoothly along the canal  With same file, working length determination in combination with an Apex locator  PathFile™ #013 to working length  PathFile™ #016 to working length  PathFile™ #019 to working length  Canal shaping with any NiTi rotary system

10 PATHFILE™ – OTHER SEQUENCES LARGE AND EASY CANALS  If it is possible to reach the full working length with a K-File #020, the Glide Path is not necessary and no PathFile™ will therefore have to be used.

11 PATHFILE™ – OTHER SEQUENCES “INTERMEDIATE” CANALS  If the user feels, during the initial scouting with the K-File 010, that the canal is rather wide, the recommendation is to use either PathFile™ 016 and 019 or even only PathFile™ 019.

12 PATHFILE™ – OTHER SEQUENCES THIN, CUVED, CALCIFIED CANALS  In these cases the standard sequence is recommended, i.e. PathFile™ 013, 016 and 019

13 PATHFILE™ – DIRECTIONS FOR USE  Rotation speed ≈ 300 rpm  Instruments should be used with a delicate in/out movement until they reach the full length. Strong axial forces should therefore be avoided.  Time needed to reach working length normally does not exceed 3- 5 seconds/file  The rotating motion will carry debris in a coronal direction

14 FEATURES AND BENEFITS Development in collaboration with Prof Berutti, Prof Cantatore and Dr Castellucci  support of 3 internationally renowned Opinion Leaders as well as of the Dentsply Maillefer OPL network  quality evidence thanks to their expertise

15 PATHFILE™ – FEATURES & BENEFITS NiTi – Square Section – 2% Taper  high strength against cyclic fatigue  flexibility Tip diameters ( )  gradual increase that facilitates the progression of the files without the need for strong axial pressure

16 PATHFILE™ – FEATURES & BENEFITS Tip design (transition angle reduction)  Reduced risk of ledges and canal transportation PathFile™ K-File

17 PATHFILE™ – STUDY CONCLUSION  The study carried out by Prof Berutti, Prof Cantatore and Dr Castellucci clearly shows that, when compared to manual instruments, PathFile™: 1. better maintains the original canal anatomy → less canal transportation and canal aberrations 2.is more forgiving procedural errors such as incorrect working length → no apical transport when WL is too long → no ledges when WL is too short

18 PATHFILE™ – STUDY CONCLUSION  The study carried out by Prof Berutti, Prof Cantatore and Dr Castellucci clearly shows that, when compared to manual instruments, PathFile™: 3. reduces the instrumentation time needed 4.allows General Dental Practitioners to obtain similar results to those achieved by endodontists

19 PATHFILE™ EXAMPLE TREATMENTS

20 PATHFILE™ – EXAMPLES Prof. Elio Berutti

21 PATHFILE™ – EXAMPLES Prof. Elio Berutti

22 PATHFILE™ – EXAMPLES Prof. Elio Berutti


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