下颌阻生第三磨牙对相邻第二磨牙有害影响的评估——一项回顾性观察研究。
Evaluation of detrimental effects of impacted Mandibular third molars on adjacent second molars - A retrospective observational study.
作者信息
Belam Ambika, Rairam Surabhi G, Patil Veerendra, Ratnakar P, Patil Supriya, Kulkarni Sangeeta
机构信息
Department of Conservative Dentistry and Endodontics, HKES's S. Nijalingappa Institute of Dental Sciences and Research, Kalaburagi, Karnataka, India.
出版信息
J Conserv Dent. 2023 Jan-Feb;26(1):104-107. doi: 10.4103/jcd.jcd_341_22. Epub 2022 Dec 8.
CONTEXT
Mandibular impacted third molars are the most frequently impacted teeth in humans and can predispose the adjacent second molar to an array of detrimental effects such as caries, periodontitis, and cervical resorption thus the aim of this study was to determine the same.
SUBJECTS AND METHODS
A retrospective observational cross-sectional study involving patients with orthopantomography presenting with impacted lower third molar. The type, depth, and level of impaction, the extent of caries, periodontal changes, and the presence of cervical resorption were assessed.
STATISTICAL ANALYSIS USED
Data were analyzed using SPSS version 21.0. with Chi-square.
RESULTS
Mesioangular impaction was most commonly noted. The pattern of impaction had a direct influence in the formation of carious lesions, cervical resorption, and periodontal ligament (PDL) changes.
CONCLUSIONS
Noting the pattern of third molar impaction helps the clinician to forecast problems that may occur on adjacent teeth and initiate necessary prophylactic treatment.
背景
下颌阻生第三磨牙是人类最常见的阻生牙，可使相邻的第二磨牙易受一系列有害影响，如龋齿、牙周炎和牙根吸收，因此本研究的目的是确定这些影响。
研究对象与方法
一项回顾性观察性横断面研究，纳入接受全景片检查且有下颌第三磨牙阻生的患者。评估阻生的类型、深度和水平、龋齿程度、牙周变化以及牙根吸收情况。
统计分析方法
使用SPSS 21.0版软件进行数据分析，采用卡方检验。
结果
近中阻生最为常见。阻生模式对龋损、牙根吸收和牙周膜（PDL）变化的形成有直接影响。
结论
了解第三磨牙阻生模式有助于临床医生预测相邻牙齿可能出现的问题并开展必要的预防性治疗。
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