评估透明矫治器正畸治疗过程中使用光生物调节相关的牙根吸收:一项回顾性队列试点研究。

Antonio Rossi, Manuel Lagravère-Vich, Giseon Heo, Paul W Major, Tarek El-Bialy
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引用次数: 0

摘要

目的使用锥束计算机断层扫描(CBCT)评估一组同时接受透明矫治器和辅助光生物调制(PBM)装置治疗的患者牙根体积的变化:这项回顾性队列试点研究包括一名正畸医生私人诊所中32名连续接受透明矫治器治疗的患者(23名女性,9名男性)的记录。PBM组(16人)每天使用一次该装置,每弓5分钟,并与匹配对照组(16人)进行比较。在使用透明矫治器进行正畸治疗之前(T0)、期间或紧随其后(T1),采用半自动分割技术从 CBCT 成像中获取前牙的牙量。评估了不同时间点之间牙根体积的变化:结果:无论患者属于哪个干预组,治疗前和治疗后上颌和下颌前牙牙根体积的差异均无统计学意义(P > .05)。本研究中使用PBM装置治疗的透明矫治器患者与匹配对照组相比,牙根体积变化的平均百分比也没有差异(P > .05):结论:在这项研究中,每 3 到 5 天更换一次矫治器并使用辅助光生物调节疗法的透明矫治器患者不会出现临床相关的正畸诱发的外牙根吸收。由于样本量较小,且牙根分割过程中存在测量误差,因此在解释结果时应谨慎。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An evaluation of root resorption associated with the use of photobiomodulation during orthodontic treatment with clear aligners: a retrospective cohort pilot study.

Objectives: To evaluate the change in tooth root volume using cone-beam computed tomography (CBCT) in a group of patients treated concurrently with clear aligners and an adjunctive photobiomodulation (PBM) device.

Materials and methods: This retrospective cohort pilot study included the records of 32 consecutively treated clear aligner patients (23 female, 9 male) from the private practice of one orthodontist. The PBM group (n = 16) used the device once per day for 5 minutes per arch and was compared with a matched control group (n = 16). A semiautomated segmentation technique was used to obtain tooth volume of anterior teeth from CBCT imaging prior to (T0) and during or immediately following (T1) orthodontic treatment with clear aligners. The change in root volume between time points was assessed.

Results: There was no statistically significant difference between the pre- and posttreatment root volumes of maxillary and mandibular anterior teeth, regardless of which intervention group the patient belonged to (P > .05). There was also no difference in the mean percentage change in root volume between clear aligner patients in this study who were treated with the PBM device compared with a matched control group (P > .05).

Conclusions: Clear aligner patients in this study who changed their aligners every 3 to 5 days and used adjunctive photobiomodulation therapy did not experience clinically relevant orthodontically induced external root resorption. Due to the small sample size and measurement error in the root segmentation process, the results should be interpreted with caution.

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