中国组织工程研究 ›› 2020, Vol. 24 ›› Issue (26): 4141-4145.doi: 10.3969/j.issn.2095-4344.2710

• 口腔组织构建 oral tissue construction • 上一篇    下一篇

表没食子儿茶素没食子酸酯预防正畸固定矫治者的牙釉质白斑

杨柳青,谢立莉,梁剑梅   

  1. 柳州市人民医院口腔科,广西壮族自治区柳州市  545006

  • 收稿日期:2019-09-20 修回日期:2019-09-24 接受日期:2019-11-19 出版日期:2020-09-18 发布日期:2020-08-31
  • 通讯作者: 谢立莉,副主任医师,柳州市人民医院口腔科,广西壮族自治区柳州市 545006
  • 作者简介:杨柳青,女,1978年生,广西壮族自治区柳州市人,2002年广西医科大学毕业,硕士,副主任医师,主要从事口腔临床医学研究。
  • 基金资助:
    广西壮族自治区卫生和计划生育委员会自筹经费科研课题(Z20180329)

The use of epigallocatechin gallate prevents white spot lesions during orthodontic treatment with fixed appliances

Yang Liuqing, Xie Lili, Liang Jianmei   

  1. Department of Stomatology, Liuzhou People’s Hospital, Liuzhou 545006, Guangxi Zhuang Autonomous Region, China

  • Received:2019-09-20 Revised:2019-09-24 Accepted:2019-11-19 Online:2020-09-18 Published:2020-08-31
  • Contact: Xie Lili, Associate chief physician, Department of Stomatology, Liuzhou People’s Hospital, Liuzhou 545006, Guangxi Zhuang Autonomous Region, China
  • About author:Yang Liuqing, Master, Associate chief physician, Department of Stomatology, Liuzhou People’s Hospital, Liuzhou 545006, Guangxi Zhuang Autonomous Region, China
  • Supported by:

    The Self-Financing Scientific Research Project of the Health and Family Planning Commission of Guangxi Zhuang Autonomous Region, No. Z20180329

摘要:


文题释义:

龋白斑很多接受正畸固定矫治的患者其牙面上会呈现白垩色的点或斑块,临床上表现为龋白斑(white spot lesionsWSL),即釉质脱矿,如病变进一步发展甚至会形成龋洞。

表没食子儿茶素没食子酸酯(Epigallocatechin gallateEGCG)是茶多酚中最有效的活性成分,属于儿茶素。EGCG具有抗菌、抗病毒、抗氧化、抗动脉硬化、抗血栓形成、抗血管增生、抗炎以及抗肿瘤作用。绿茶里有EGCG,但红茶里没有,因为红茶里的EGCG被转化成了茶玉红精。EGCG在医药保健上具有防治癌症等多种疾病和增强免疫力等功能。

背景:目前已有大量研究证实表没食子儿茶素没食子酸酯(Epigallocatechin gallate,EGCG)可应用于牙科治疗中,但目前尚未有临床研究讨论EGCG用于托槽的釉质粘接是否可以减少临床上正畸术后白斑的发生率。

目的探讨EGCG应用于预防正畸固定矫治患者牙釉质白斑发生的价值。

方法选择接受正畸固定矫治治疗的50例符合纳入排除标准的患者,采用自身对照法,右侧使用添加有1 g/L EGCG的粘接剂(EGCG),左侧使用不含EGCG的粘接剂(对照组),其余治疗步骤和材料均相同。于治疗开始后3612个月检测目标牙位(161146263136)牙釉质脱矿指数(EDI)和釉质白斑的发生率,并统计托槽脱落情况。研究方案的实施符合柳州市人民医院对研究的相关伦理要求,患者及监护人对试验过程完全知情同意。

结果与结论:①EGCG组和对照组在试验期间托槽脱落率差异无显著性意义(P > 0.05);②在治疗开始后3个月,2组白斑发生率和牙釉质脱矿指数值差异无显著性意义(P > 0.05),治疗6,12个月,EGCG组白斑发生率和牙釉质脱矿指数值均较对照组显著降低(P < 0.05);③结果说明,添加有1 g/L EGCG的粘接剂可以在不影响托槽粘接强度的情况下,起到预防正畸固定矫治患者牙釉质脱矿和白斑发生作用,且能长期维持。

ORCID: 0000-0002-5325-5037(杨柳青)

中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松;组织工程


关键词: 表没食子儿茶素没食子酸酯, EGCG, 釉质粘接, 托槽, 釉质脱矿, 脱矿指数, 白斑, 粘接剂

Abstract:

BACKGROUND: Plenty of studies have already proved the effective usage of epigallocatechin gallate (EGCG) in clinical treatment. However, no current research has focused on the application of EGCG in preventing white spot lesions (WSLs) during orthodontics treatment with fixed appliances.

OBJECTIVE: To study the value of EGCG in the prevention of WSLs during orthodontic treatment with fixed appliances.

METHODS: In total 50 patients undergoing orthodontic treatment with fixed appliances were carefully screened and enrolled. Split-mouth design was adopted: the right side of teeth received experimental adhesive (1 g/L EGCG + Adper™ Single Bond 2); the left side of teeth acted as control. All the other clinical procedures and materials used were same. The enamel demineralization index (EDI) and the WSLs prevalence of targeted teeth (16, 11, 46, 26, 31, and 36) were detected at 3, 6, and 12 months during the treatment, and the percentage of bracket bonding failure was calculated for each group. The study protocol was implemented in line with the relevant ethical requirements of Liuzhou People’s Hospital. Patients and their guardians were fully informed of the whole trial procedures.

RESULTS AND CONCLUSION: In this trial, the percentage of bracket bonding failure was significantly different between the EGCG group and control group (P > 0.05). After 3 months of treatment, the values of WSLs and EDI had no significant difference between the EGCG group and control group (P > 0.05). However, after 6 months and 12 months treatment, the EGCG group manifested significantly lower WSL and EDI values than the control group (P < 0.05). Therefore, addition of the adhesive containing 1 g/L EGCG has a considerable effect in preventing enamel demineralization and the occurrence of WSLs without influencing the enamel bonding strength, and it has a long-time effect which deserves the clinical expansion.

Key words: epigallocatechin gallate, EGCG, enamel bonding, bracket, enamel demineralization, demineralization index, white spot, adhesive

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