Clinical Research Directory

Er:YAG Laser for Dental Cavity Preparation

Sponsor: Ho Chi Minh City Odonto-Stomatology Hospital

Summary

The goal of this clinical trial is to compare Er:YAG laser cavity preparation with conventional rotary instruments in adults who have permanent premolars planned for extraction as part of orthodontic treatment. The main questions the study aims to answer are: How do Er:YAG laser and conventional rotary instruments compare in the time needed for cavity preparation? Do participants experience different levels of pain with the two methods? Which cavity preparation method do participants prefer after experiencing both methods? Are there differences in cavity surface and interface characteristics and microleakage between teeth prepared with the two methods? Researchers will compare Er:YAG laser cavity preparation with conventional rotary cavity preparation using a split-mouth design. Each participant will receive both treatment methods on two different eligible permanent premolars. Participants will: Have one eligible premolar prepared with an Er:YAG laser and another eligible premolar prepared with conventional rotary instruments. Have the two procedures performed at separate visits on different days. Rate their pain after each procedure and indicate which treatment method they would prefer for future dental treatment. Have the study teeth extracted approximately 1 month later, as already planned for their orthodontic treatment. After extraction, the teeth will be examined in the laboratory to compare cavity surface and interface characteristics and microleakage between the two preparation methods.

Official title: Safety and Effectiveness of Er:YAG Laser in Cavity Preparation

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