Clinical Efficacy of Er:YAG Laser in Molar Incisor Hypomineralization Treatment

doi:10.13701/j.cnki.kqyxyj.2023.08.014

Abstract

Abstract: Objective: To evaluate the clinical efficacy of Er:YAG laser in the treatment of molar incisor hypomineralization (MIH). Methods: From January to December 2021, 68 MIH children aged 8-16 from Pediatrics Dentistry Department, Hefei Stomatological Hospital were included. By using computer software, different teeth of the same child were randomly divided into two groups, the experimental group and the control group. The experimental group used Er:YAG laser to remove the caries, prepare the cavity, and deal with surface of the teeth. The control group used a traditional turbine to remove the caries and prepare the cavity. MIH of both groups were filled with resin. The clinical efficiency of two groups were evaluated according to the Wong-Baker Face Pain Rating Scale (WBFPRS) and the modified World Dental Federation (FDI) Criteria during the operation and 13 weeks, 26 weeks and 52 weeks after the operation. Results: In the operation, the percentage of children with no pain or little pain in the experimental group (73.53%) was significantly higher than that of the control group (44.12%, P＜0.05). At 13 weeks after operation, the success rate of sensitivity in the experimental group (100.00%) was higher than that of the control group (82.35%, P＜0.05). At 52 weeks after operation, the success rate of marginal fitness in the experimental group (91.18%) was significantly higher than that of the control group (70.59%), and the success rate of recurrence of caries, erosion, and abfraction of the experimental group (94.12%) was significantly higher than that of the control group (73.53%, P＜0.05). Conclusion: Er:YAG laser in the treatment of MIH can effectively reduce intraoperative pain and improve the success rate of resin restorations, which provides a new idea for minimally invasive treatment of children's oral diseases.

Key words: molar incisor hypomineralization, Er:YAG laser, minimally invasive, children

REN Lewen, XIE Ling, DING Yue, TIAN Wenxian, WANG Ping, LI Junya. Clinical Efficacy of Er:YAG Laser in Molar Incisor Hypomineralization Treatment[J]. Journal of Oral Science Research, 2023, 39(8): 738-744.

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