Assessment: Today, no NiTi system on the market enables a dynamic upward removal of dentine debris. Bibliographical reference : « An instrument innovation for initial endodontic treatment: The Revo-S » Dr Franck DIEMER et Dr Jean-Philippe MALLET – Clinic, November 2008, vol. 29. Goals:
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Today, no NiTi system on the market enables a dynamic upward removal of dentine debris.
Bibliographical reference : « An instrument innovation for initial endodontic treatment: The Revo-S» Dr Franck DIEMER et Dr Jean-Philippe MALLET – Clinic, November 2008, vol. 29.
Design a set of instruments that enable an upward elimination of the dentine debris and an optimal root canal cleaning
The canal axis has 3 cutting edges, located on 3 different radiuses: R1, R2 and R3.
“Snake-like” movement of the instrument inside the root canal
SC1 and SU work individually inside the root canal in a cyclic way:
Cutting, clearance, cleaning thanks to the advantages of the asymmetrical cross section.
However, each instrument has a specific action in that cycle:
SC1 = Cutting
SC2 = Clearance owing to its equilateral section (debris elimination)
SU = Cleaning
Basic sequence with cycle?
This technique is more simple to use and adapted for most root canal anatomies.
2 root canal cleaning and shaping instruments
Finishing instrument: recapitulates and cleans
SC1 Active length 21mm Active length asymmetrical section 12.5 mm
SU, asymmetrical cross section, recapitulates the action of the first 2 instruments.
SC2 Equilateral section
AS30 AS35 AS40
Increased flexibility and performance of the instrument for a successful apical finishing.
Tapering at .06 enables a debridement and a disinfection corresponding to biological constraints of the initial root canal treatment.
Improved flow of the irrigating solution in the canal.
Clinical case treatment ?
Clinical case of Dr JP Mallet: UL6 shows secondary pulpitis with a carious lesion on the distal aspect observed on preoperative radiographs (eccentric and centric incidence). Root canal shaping using the Revo-S® sequence with an apical shaping adapted for each canal (mesolabial ML1 & 2 canals: AS 30 ; distolabial DL canal: AS 35 and palatal canal: AS 40).
Thank you for your attention treatment ?