Management of root perforations using MTA with or without Er:YAG laser irradiation: An in vitro study

[en] The aim of this in vitro study is to compare the microleakage of a root perforation sealed with MTA (mineral trioxide aggregate) (group M) to that sealed with MTA following Er:YAG laser irradiation (group ML). Forty-two recently extracted human monoroot teeth were used. Two cavities were prepared on each root surface. Randomly, on each root, the exposed dentine of one cavity was irradiated prior to MTA filling using an Er:YAG laser with the following settings: 200 mJ/pulses under an air water spray, 10Hz, pulse duration of 50sec, and 0.7mm beam diameter. All cavities were then sealed with MTA. submitted to thermocycling and immersed in 2 methylene blue dye solution for 12h. The penetration of methylene blue in the microleakage of cavity was observed and recorded. The mean value dye penetration in cavities sealed with MTA following Er:YAG laser irradiation (23.91 14.63 ) was lower than that of unlased cavities sealed only with MTA (25.17 17.53 ). No significant difference was noted. The use of an Er:YAG laser beam for dentinal conditioning prior to MTA filling of perforated roots did not decrease significantly the microleakage of MTA sealing when compared to the conventional use of MTA filling. Copyright © 2012 M. Tielemans et al.

Disciplines :

Dentistry & oral medicine

Author, co-author :

Tielemans, Marc

Saloukas, I.; Department of Dental Sciences, Faculty of Medicine, University of Lige, 4000 Lige, Belgium

Heysselaer, D.; Unit of Ultrastructural Morphology, Laboratory of Evolutive and Functional Morphology, University of Lige, 4000 Lige, Belgium

Compère, Philippe ; Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Département de Biologie, Ecologie et Evolution

Nyssen-Behets, C.; L'Unité de Morphologie Expérimrntale, Université Catholique de Louvain, 1200 Bruxelles, Belgium

Namour, Samir ; Université de Liège - ULiège > Département de sciences dentaires > Département de sciences dentaires

Language :

English

Title :

Management of root perforations using MTA with or without Er:YAG laser irradiation: An in vitro study

Publication date :

2012

Journal title :

International Journal of Dentistry

ISSN :

1687-8728

eISSN :

1687-8736

Publisher :

Hindawi Publishing Corporation, Egypt

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 11 July 2014

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