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Proceedings Paper

SEM investigation of Er:YAG laser apical preparation
Author(s): Cosmin Bălăbuc; Carmen Todea; Cosmin Locovei; Aurel Răduţă
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Paper Abstract

Endodontic surgery involves the incision and flap elevation, the access to the root tip, its resection, the cavity retrograde preparation and filling it with biocompatible material that provides a good seal of the apex[1]. Apicoectomy is compulsory in endodontic surgery. The final stage involves the root retropreparation and the carrying out of the retrograde obturation. In order to perform the retrograde preparation the endodontist can use various tools such as lowspeed conventional handpieces, sonic and ultrasonic equipment. The ideal depth of the preparation should be 3 mm, exceeding this value may affect the long-term success of the obturation [2]. Resection at the depth of 3 mm reduces apical ramifications by 98% and lateral root canals by 93%. The ultrasonic retropreparation has numerous advantages compared to the dental drill. Firstly, the cavity will be in the axis of the tooth which implies a minimum destruction of the root canal morphology. The preparations are precise, and the cutting pattern is perpendicular to the long axis of the root, the advantage being the reduction in the number of dentinal tubules exposed at the resected area [3]. Therefore, the retrograde filling is the procedure when an inert and non-toxic material is compacted in the apically created cavity.[4,5]. The Er:YAG laser is the most common wavelength indicated for dental hard tissue preparation. Its natural selectivity offers a significant advantage compared to the conventional hard tissue preparation [6-9].The purpose of this in vitro study was to investigate the quality of Er:YAG laser apical third preparation using Scanning Electron Microscopy (SEM), in comparison with the conventional ultrasonic method.

Paper Details

Date Published: 22 March 2016
PDF: 12 pages
Proc. SPIE 9670, Sixth International Conference on Lasers in Medicine, 96700Q (22 March 2016); doi: 10.1117/12.2191912
Show Author Affiliations
Cosmin Bălăbuc, Univ. of Medicine and Pharmacy Victor Babes Timisoara (Romania)
Carmen Todea, Univ. of Medicine and Pharmacy Victor Babes Timisoara (Romania)
Cosmin Locovei, Politehnica Univ. of Timisoara (Romania)
Aurel Răduţă, Politehnica Univ. of Timisoara (Romania)


Published in SPIE Proceedings Vol. 9670:
Sixth International Conference on Lasers in Medicine
Darinca Carmen Todea; Adrian Gh. Podoleanu; Virgil-Florin Duma, Editor(s)

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