An in-vitro study to remove dental resin adhesive with ultrafast laser

doi:10.19439/j.sjos.2024.06.003

Shanghai Journal of Stomatology ›› 2024, Vol. 33 ›› Issue (6): 580-585.doi: 10.19439/j.sjos.2024.06.003

• Original Articles • Previous Articles Next Articles

An in-vitro study to remove dental resin adhesive with ultrafast laser

YANG Xiao-yan¹, ZENG Li¹, YE Sheng-jia¹, ZHENG Liang², GONG Yao³, WEI Bin²

1. Department of Prosthodontics, 2. Special Dental Consultation Clinic, 3. Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology; Shanghai Research Institute of Stomatology. Shanghai 200011, China

Received:2024-01-22 Revised:2024-03-07 Online:2024-12-25 Published:2025-01-07

Abstract

Abstract: PURPOSE: To investigate the effect and safety of removing dental resin adhesive with ultrafast laser. METHODS: Resin adhesive layers were prepared on the surface of extracted teeth and processed with ultrafast laser scanning. Morphology was observed under optical microscope and scanning electron microscope. Component change was tested with Raman Spectrometer and dental tissue damage was observed through sample sections. RESULTS: After laser processing, resin adhesive showed significant change in colour and volume expansion along with laser parameters. Dislodgement happened without any external force. Carbonization was presented in Raman spectroscopy result. No obvious damage was observed in enamel underneath. CONCLUSIONS: Ultrafast laser can be used to remove dental resin adhesives on the enamel.

Key words: Ultrafast laser, Ultrashort pulse laser, Resin adhesive

CLC Number:

R783.4

YANG Xiao-yan, ZENG Li, YE Sheng-jia, ZHENG Liang, GONG Yao, WEI Bin. An in-vitro study to remove dental resin adhesive with ultrafast laser[J]. Shanghai Journal of Stomatology, 2024, 33(6): 580-585.

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An in-vitro study to remove dental resin adhesive with ultrafast laser

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