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Title: In vitro evaluation of the temperature increment at the external root surface after Er,Cr: YSGG laser irradiation of the root canal
Author: Abad Gallegos, Marta
Arnabat Domínguez, Josep
España Tost, A. J. (Antonio Jesús)
Berini Aytés, Leonardo
Gay Escoda, Cosme
Keywords: Làsers en odontologia
Polpa dental
Lasers in dentistry
Dental pulp
Issue Date: 1-Dec-2009
Publisher: Medicina Oral SL
Abstract: Objectives: A study was made to determine the temperature increment at the dental root surface following Er,Cr:YSGG laser irradiation of the root canal. Design. Human canines and incisors previously instrumented to K file number ISO 30 were used. Irradiation was carried out with glass fiber endodontic tips measuring 200 μm in diameter and especially designed for insertion in the root canal. The teeth were irradiated at 1 and 2 W for 30 seconds, without water spraying or air, and applying a continuous circular movement (approximately 2 mm/sec.) in the apico-coronal direction. Results: At the 1 W power setting, the mean temperature increment was 3.84ºC versus 5.01ºC at 2 W. In all cases the difference in mean value obtained after irradiation versus the mean baseline temperature proved statistically significant (p< 0.05). Conclusions: Application of the Er,Cr:YSGG laser gives rise to a statistically significant temperature increment at the external root surface, though this increment is probably clinically irrelevant, since it would appear to damage the tissues (periodontal ligament and alveolar bone) in proximity to the treated tooth
Note: Reproducció del document publicat a:
It is part of: Medicina Oral, Patología Oral y Cirugia Bucal, 2009, vol. 14, num. 12, p. 658-662
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ISSN: 1698-4447
Appears in Collections:Articles publicats en revistes (Odontostomatologia)
Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))

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