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Endodontie

Preparatie mecanica

Micro-Mega Revo-S

Sendoline/Poldent S5

Urmatorul Precedentul

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Pret: de la 83.00RON

Data: March 09, 2014

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Sistemul NiTi-TEE® consta in 6 instrumente cu taper variabil pentru utilizare in tehnica Crown-Down. Primele 3 instrumente NiTi-TEE® (12/30, 8/30 and 6/30) sunt utilizate in principal in modelarea partii coronare a canalului. Urmatoarele 3 ace (4/30, 4/25 and 4/20) au profilul unic in S. Ele modelelaza rapid si eficient portiunea apicala a canalului.
Aliajul de nichel titan impreuna cu varful inactiv fac aceste instrumente extrem de flexibile si elastice pentru utilizare confortabila chiar si in canalele foarte curbe. Abordarea mecanica este ergonomica pentru dumneavoastra si usoara pentru pacient.
Noul sistem NiTi-TEE® poate fi utilizat cu toate motoarele rotative pentru endodontie la 300 rpm cum ar fi W&H WD-74M si Tri Auto ZX.

Recenzii
Specificatii
Indicatii
Tehnica de lucru
Producator
Literatura

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Seturi rotative

material	aliaj Ni-Ti
sectiune	profil in S, doua margini taietoare la 90°
dimensiunea varfului	#20, #25, #30
mod fabricare	frezare
tip varf	inactiv, rotunjit
unghi de atac
tip miscare	rotativ
lungimi	parte activa: 23 mm ( 12/30-17 mm).
taper	12, .08, .06, .04
motor	W&H WD-74M, Tri Auto ZX150 - 300 rpm, torque 0.3-0.4 N.cm (.04/20) - 2.5-3 N.cm (12/30)
sistem obturare compatibil	CLC, WVC, CWC
tratament suprafata
zona radiala
design spire
prezentare	blister transparent 6 instrumente asortate sau 6 instrumente identice refill

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Tratamentul canalelor radiculare dinti vitali sau devitali.

Brosura de prezentare NiTi-TEE System

A comparative study of root canal preparation with NiTi-TEE® and K3 rotary Ni-Ti instruments.
B. Jodway & M. Hülsmann
Department of Operative Dentistry, Preventive Dentistry and Periodontology, University of Göttingen, Germany

Abstract
Jodway B, Hülsmann M. A comparative study of root canal preparation with NiTi-TEE® and K3 rotary Ni-Ti instruments.
International Endodontic Journal, 39, 71–80, 2006.
Aim To evaluate and compare several parameters of curved root canal preparation using two different Ni-Ti systems: NiTi-TEE® (Sjöding Sendoline, Kista, Sweden) and K3 (Sybron Endo, Orange County, CA, USA).

Results

Both Ni-Ti systems maintained curvature well: the mean degree of straightening was 0.2 for NiTi-TEE® and 0.4 for K3 with no statistical significance between the groups. Post-instrumentation cross-sections of the root
canals revealed an acceptable contour (round or oval) in 50.6% of cases for the NiTi-TEE® group and in 65.3% of
cases for the K3 group. The difference was not significant. The SEM investigation of canal walls showed equally good debris removal for both systems: NiTi-TEE® prepared canal walls in 74.7% of cases with scores I and II; K3 achieved these scores in 78.7% of cases. For smear layer, NiTi-TEE® and K3 only received good scores (I and II) in 38.7% and 40% of canal wall specimens, respectively. For both parameters, no significant differences were found between groups. File fractures did not occur, but loss of working
length was observed in one case following the preparation with NiTi-TEE® and in three cases during K3 instrumentation. Mean working time was significantly shorter for NiTi-TEE® (170 s) than for K3 (208 s).
Conclusions

Both systems maintained original canal curvature well and were safe to use. Whilst debridement of
canals was considered satisfactory, both systems failed to remove smear layer sufficiently.
Keywords: automated root canal preparation, K3, Ni-Ti
instruments, NiTi-TEE®.
Received 9 April 2005; accepted 27 September 2005.

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Seturi rotative