Our results suggest that root caries removal by Er:YAG laser irradiation, followed by restoration with resin-modified glass ionomer cement, is a suitable choice for dental root caries restoration.
AbsfractThe Er:YAG laser has been studied for periodontal therapies , so much for removal of the subgingival calculus and its bactericidal effects . The proposal of this study is to evaluate the effectiveness ofthe Er:YAG laser in root planing in comparison to the traditional method, not surgical. Six (6) recently extracted due to the disease periodontal, were cut longitudinally, tends like this two (2) half of the root. These half were separate in four (4) groups. The first group is the natural tooth (group controls negative), the second group (group controls) was accomplished to root planing with Gracey curette. And in the third to Er:YAG laser with a contact tip, using a 45°a ngle in relation to the root; in the fourth group was scraped and planed with Er:YAG laser and complemented root planing with Graceycurette.The used energy was of 60 to 300mJ (in put) and the frequency of 10 Hz accomplished with irrigation. The obtained results were sniilar in the groups 2 and 3 in comparison to the amount of smear-layer. In group 4 however, better result was obtained, because the image (SEM) was much more regular and with less amount of smear-layer.The conclusion of the work is that : with the association of the Er:YAG laser technique and Graceycurette the results are superior to the conventional treatment.
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