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首页> 外文期刊>American journal of dentistry >In vivo evaluation of fluoride dentifrice and diet control on the demineralization/remineralization process using laser readouts at the margin of the orthodontic bracket/enamel interface
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In vivo evaluation of fluoride dentifrice and diet control on the demineralization/remineralization process using laser readouts at the margin of the orthodontic bracket/enamel interface

机译：使用正畸支架/牙釉质界面边缘的激光读数在脱盐/再矿化过程中对氟化物洁牙剂和饮食控制进行体内评估

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Purpose: To evaluate, in vivo, the effect of fluoride dentifrice and diet control on the demineralization/remineralization processes at the margin of bracket/enamel interface bonded with four different bonding materials, using optical microscopy and fluorescent laser (DIAGNOdent). Methods: Premolars in 35 subjects (11 to 20 years old) were divided into Group 1 (n=15) and Group 2 (n=20). Four bracket/enamel interfaces (near points) and four points at a distance of 2 mm (distant points) were observed. Evaluations were made at the following times: 15 days before bracket bonding (T0), on day of bonding (T1), 1 week after bonding (T2), and 4 weeks after bonding (T3). Subjects received fluoride dentifrice, and toothbrush and were instructed to brush 3x/day, after main meals. Group 1 received the instructions at T1 and Group 2 at TO and these were reinforced weekly. The Microarch brackets were bonded with four materials: Transbond XT; Concise Ortodontico; Fuji Ortho LC and Monolok2. DIAGNOdent laser readouts were used for comparison. Results: Data were statistically analyzed by Mann-Whitney, Wilcoxon and Friedman tests (P<0.05). Higher readouts were found at nearer points than at distant points; Group 2 presented lower readouts than Group 1; No differences were observed among bonding materials.
机译：目的：使用光学显微镜和荧光激光（DIAGNOdent），在体内评估氟化物洁齿剂和饮食控制对用四种不同粘结材料粘结的托槽/牙釉质界面边缘的脱矿质/再矿化过程的影响。方法：将35名受试者（11至20岁）的前磨牙分为第一组（n = 15）和第二组（n = 20）。观察到四个托架/牙釉质界面（近点）和距离2 mm的四个点（远点）。在以下时间进行评估：托槽粘结前（T0）15天，粘结天（T1），粘结后1周（T2）和粘结后4周（T3）。受试者在主餐后接受氟化物洁齿剂和牙刷，并被要求每天刷3次。第1组在T1接受指导，第2组在TO接受指导，并且每周进行强化。 Microarch支架用四种材料粘合：Transbond XT;简洁的Ortodontico;富士Ortho LC和Monolok2。使用DIAGNOdent激光读数进行比较。结果：通过Mann-Whitney，Wilcoxon和Friedman检验对数据进行统计学分析（P <0.05）。在较近的地方比在远的地方发现了更高的读数。第二组的读数低于第一组;在粘结材料之间未观察到差异。

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