Effect of piezocision-assisted lower second molar protraction on periodontal tissues, alveolar bone height, and lower second molar root resorption.

IF 3 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Angle Orthodontist Pub Date : 2023-02-10 DOI:10.2319/090622-621.1

Elham S Abu Alhaija, Marwan M Al-Areqi, Raed AlShami, Emad F Al Maaitah, Ahed Al Wahadni

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引用次数: 0

Abstract

Objectives: To assess the effect of piezocision on periodontal tissues and alveolar bone height and to detect lower second molar root resorption in piezocision-assisted mandibular second molar protraction compared to no-piezocision molar protraction.

Materials and methods: Twenty-one subjects (four males, 17 females, aged 22.43 ± 2.83 years) who presented with bilateral extraction of lower first molars were included. The patients were divided into two groups; Group 1: Piezocision-assisted molar protraction (right or left side of subjects) in which piezocision was performed immediately before lower second molar protraction and, Group 2: No-piezocision molar protraction in which lower second molar protraction was not surgically assisted. Plaque index (PI), gingival index (GI), periodontal pocket depth (PPD), width of keratinized gingiva (WKG), gingival recession (GR), lower second molar mesial root resorption, alveolar bone height, and mandibular bone height were recorded at T1 (immediately before molar protraction) and at T2 (after second molar space closure).

Results: In the piezocision-assisted molar protraction group, significant changes were detected in the WKG (P < .001), GR (P < .05), and the mandibular bone height (P < .001). Compared to the no-piezocision group, piezocision-assisted molar protraction resulted in an increased WKG (P < .001) and less second molar mesial root resorption (P < .01).

Conclusions: Piezocision does not have any detrimental effect on the periodontium and produces less root resorption.

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压电切削辅助下第二磨牙牵引对牙周组织、牙槽骨高度和下第二磨牙根吸收的影响。

目的评估压切对牙周组织和牙槽骨高度的影响，并检测压切辅助下颌第二磨牙牙根吸收与无压切磨牙牙根吸收的比较：纳入 21 名双侧下第一磨牙拔除患者（男 4 名，女 17 名，年龄 22.43 ± 2.83 岁）。这些患者被分为两组：第一组：压切辅助臼齿拔除术（受试者的右侧或左侧），即在下第二磨牙拔除前立即进行压切；第二组：无压切臼齿拔除术，即不进行手术辅助下第二磨牙拔除。分别在 T1（拔牙前）和 T2（第二磨牙间隙关闭后）记录牙菌斑指数（PI）、牙龈指数（GI）、牙周袋深度（PPD）、角化牙龈宽度（WKG）、牙龈退缩（GR）、下第二磨牙中侧根吸收、牙槽骨高度和下颌骨高度：结果：在压电陶瓷辅助磨牙牵引组中，WKG（P < .001）、GR（P < .05）和下颌骨高度（P < .001）均有显著变化。与无压迫切削组相比，压迫切削辅助下的磨牙牵引导致 WKG 增加（P < .001），第二磨牙中侧根吸收减少（P < .01）：结论：压切法对牙周没有任何不利影响，而且产生的牙根吸收较少。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Angle Orthodontist 医学-牙科与口腔外科

CiteScore

6.40

自引率

5.90%

发文量

审稿时长

3 months

期刊介绍： The Angle Orthodontist is the official publication of the Edward H. Angle Society of Orthodontists and is published bimonthly in January, March, May, July, September and November by The EH Angle Education and Research Foundation Inc. The Angle Orthodontist is the only major journal in orthodontics with a non-commercial, non-profit publisher -- The E. H. Angle Education and Research Foundation. We value our freedom to operate exclusively in the best interests of our readers and authors. Our website www.angle.org is completely free and open to all visitors.