Mr. Mayra T. Vasques Profile

Mayra T. Vasques

at Univ de São Paulo

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Proceedings Article | 27 February 2008 Paper

Quality of linear incisions performed by dental students using Er:YAG laser in soft tissue

Moacyr Domingos Novelli, Mayra Torres Vasques, Daiane Thaís Meneguzzo, Ana Cecília Corrêa Aranha, Luciana Corrêa

Proceedings Volume 6843, 68430H (2008) https://doi.org/10.1117/12.763500

KEYWORDS: Laser dentistry, Er:YAG lasers, Laser therapeutics, Laser tissue interaction, Tissues, Surgery, Dentistry, Laser energy, Carbon dioxide lasers, Laser applications

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Introduction: New technologies in dental practice, such as laser, have enabled new strategies to be established in dental education. The aim of this study was to analyze the difficulties that dental students encountered with performing surgical incisions using Er:YAG laser (LE), and the morphology of these incisions. Material and Methods: Sixteen undergraduate dental students and ten dental professionals (DP) enrolled at The Master of Science Program in Laser Dentistry were asked to perform 15 incisions using an LE and 15 with a conventional scalpel. The incisions were compared, based on the shape factor (relation between area and perimeter), which was obtained by a digital image system and by a morphometry software. Data was submitted to statistical analysis of variance (p 0.05). Results: Considering the incisions performed by scalpel, DP showed statistically significant differences (p < 0.01) in relation to control group (CG). Considering the LE, all groups showed significant differences (p<0.0001) in relation to CG, especially the DP group. The main laser technical failures were performing an incision that was not in a straight line, without defined borders, using an inconstant cutting speed, and absence of suction and water jet appliances. None of the groups performed adequate incisions using LE. Conclusion: Greater emphasis is required in relating laser therapy practice to the physical properties of laser, particularly for dental professionals that specialize in laser.

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