牙龈笑受试者使用一个与两个前迷你螺钉植入上颌切牙后牙槽骨变化的评估:随机临床试验。

Manikandan M, Surya Kanta Das, Ashish Kumar Barik, Subash Chandra Raj, Mitali Mishra, Sunil Kumar Rath, Sushila Sah
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引用次数: 0

摘要

目的研究牙龈笑和深咬合受试者的牙槽骨变化:选取 43 名受试者并将其分为两组:第一组(22 名受试者:15 名女性,7 名男性;平均年龄为 30±10 岁)在上中切牙之间植入一颗迷你螺钉;第二组(21 名受试者:16 名女性,5 名男性;平均年龄为 30±10 岁)在犬齿和侧切牙之间植入两颗迷你螺钉。使用锥形束计算机断层扫描评估了牙槽骨参数,包括嵌入量、牙根吸收、切牙倾斜度、牙槽骨厚度和颊面牙槽嵴高度(牙釉质交界处到唇面牙槽嵴),这些参数是在嵌入之前和之后获得的。组间比较采用配对 t 检验和非配对 t 检验进行分析,以确定组内和组间的显著变化:结果:第二组的侵入量明显大于第一组(P < .05)。切牙倾斜度、唇侧骨厚度和颊齿槽嵴高度的变化在 I 组和 II 组之间没有统计学意义上的差异(P > .05):结论:使用两个迷你螺钉治疗的受试者的上颌中切牙和侧切牙内陷明显更大。使用一个迷你螺钉治疗的受试者上颌中切牙的牙根吸收明显较多,而使用两个迷你螺钉治疗的受试者上颌侧切牙的牙根吸收较多。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of dentoalveolar changes following maxillary incisor intrusion with one vs two anterior miniscrews in subjects with gummy smile: a randomized clinical trial.

Objectives: To examine dentoalveolar changes following intrusion of maxillary incisors with one or two anterior miniscrews in subjects with gummy smile and deep bite.

Materials and methods: Forty-three subjects were selected and divided into two groups: group I (22 subjects: 15 women, 7 men; mean age 30 ± 10 years) received one miniscrew between the upper central incisors, and group II (21 subjects: 16 women, 5 men; mean age 30 ± 10 years) received two miniscrews between the canines and lateral incisors. Dentoalveolar parameters, including amount of intrusion, root resorption, incisor inclination, alveolar bone thickness, and buccal alveolar crest height (cementoenamel junction to labial alveolar crest), were evaluated using cone-beam computed tomography scans obtained before and after intrusion. The intergroup comparison was analyzed using a paired t-test and unpaired t-test to determine significant changes within and between groups.

Results: The amount of intrusion was significantly greater in group II than in group I (P < .05). No statistically significant differences were found between groups I and II for changes in incisor inclination, labial bone thickness, and buccal alveolar crest height (P > .05).

Conclusions: Maxillary central and lateral incisor intrusion was significantly greater in subjects treated with two miniscrews. Root resorption of the maxillary central incisors was notably greater in subjects with one miniscrew, while maxillary lateral incisor resorption was greater in subjects treated with two miniscrews.

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