重度氟斑牙不同粘结方式的托槽脱落率的临床比较研究-研究应用-中国口腔正畸网 关键词】 氟斑牙；粘结；托槽脱落率 [gap=1509]Key words：fluorotic teeth；bonding；expulsion rate of bracket
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...rotic teeth; bracket; composite resins; losing ratio of bracket [gap=441]关键词】 氟斑牙；托槽；复合树脂类；托槽脱落率 ...
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计算托槽脱落率和粘接材料残留指数。
The bond failure rate and the adhesive remnant index were calculated.
目的：比较15秒和6 0秒酸蚀后临床托槽脱落率的差异，从而探讨正畸临床适宜的牙釉质酸处理时间。
Objective:To investigate the most appropriate etching time in orthodontic treatment, by comparing the clinical failure rates of bracket bonded at 15 seconds and 60 seconds etching.
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