Abstract：Objective: To explore the influencing factors of enamel demineralization and the effect of fluoride intervention in adolescents after orthodontic treatment. Methods: The clinical data of 89 patients who received orthodontic treatment in our hospital from March 2020 to March 2021 were retrospectively analyzed. According to whether enamel demineralization occurred after treatment, they were divided into a demineralization group (43 cases) and a non-demineralization group. (46 cases), the general data of the two groups of patients were compared, and the multivariate Logistic regression analysis was used to analyze the risk factors affecting the occurrence of enamel demineralization in patients. According to the different treatment methods of 43 demineralized patients, they were divided into groups A and B. The 23 patients in group A were treated with fluoride, and the 20 patients in group B were treated with routine oral hygiene protection measures. The clinical efficacy and pre-orthodontic treatment were compared between the two groups, as well as 12 months after orthodontic treatment enamel demineralization index (Enamel Demineralization Index, EDI), plaque index (Plaque index, PLI), bleeding index (bleeding index, BI). Results: The results of multivariate Logistic regression analysis showed that the frequency of tooth brushing, the use of fluoride toothpaste, the intake of sweets, and the consumption of carbonated beverages were independent risk factors for enamel demineralization after orthodontic treatment, P<0.05; The total effective rate of group A was 95.65% (22/23), which was significantly higher than that of group B, 70.00% (14/20), P<0.05; 12 months after orthodontic treatment, the EDI of the two groups of patients was 0.22±0.04, PLI (0.22±0.04), BI (1.47±0.35) levels were higher than those before orthodontic treatment, and the levels in group A were lower than those in group B (0.35±0.06, 2.13±0.45, 2.60±0.47), P<0.05. Conclusion: Demineralization of tooth enamel often occurs after orthodontic treatment in adolescents, which is related to the frequency of brushing, the use of fluoride toothpaste, the intake of sweets, and the consumption of carbonated beverages. Fluoride treatment can significantly improve enamel demineralization, which is worthy of clinical reference.
刘军, 姜采弟. 青少年正畸固定矫治后牙釉质脱矿影响因素及氟化物干预效果分析[J]. 河北医学, 2022, 28(9): 1537-1540.
LIU Jun, JIANG Caidi. Analysis of the Influencing Factors of Enamel Demineralization and the Effect of Fluoride Intervention in Adolescents after Orthodontic Treatment. HeBei Med, 2022, 28(9): 1537-1540.
2022, Vol. 28 
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