Prophylactic extraction of non-impacted third molars: is it necessary?

Q3 Medicine

Minerva stomatologica Pub Date : 2019-12-01 DOI:10.23736/S0026-4970.19.04273-0

Sai Nivedita, Evit R John, Shruthi Acharya, Valerie G D'costa

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引用次数: 2

Abstract

Background: The decision of removing a non-impacted 3rd molar, unlike extraction of an impacted 3rd molar, is challenging for dentists as well as patients. This study investigates the pathologies affecting second molars situated adjacent to asymptomatic non-impacted 3rd molars.

Methods: This retrospective study included digital radiographs of 749 patients taken between April to October 2015. Panoramic radiographs were evaluated for the presence of erupted asymptomatic non-impacted 3rd molars and pathologies on adjacent second molars. The patients were reviewed according to age and gender.

Results: A total of 2342 asymptomatic 3rd molars were assessed in the study based on the inclusion and exclusion criteria, and 2112 of them were found to be non-impacted. The second molars adjacent to non-impacted 3rd molars were shown to be significantly associated with distal caries (25.2%), mesial bone loss (10.5%) and total bone loss (37.2%), i.e., mesial as well as distal bone loss.

Conclusions: Pathologies of the 3rd molars and teeth adjacent to 3rd molars can occur as a result of multiple factors. Caries and periodontal disease may also occur due to the inaccessibility to maintain oral hygiene. With a regular follow-up schedule, reinforced by the dentist and good oral hygiene, several pathologies that are significantly associated with non-impacted 3rd molars can be prevented and may not require prophylactic extraction.

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预防性拔除非阻生第三磨牙:有必要吗?

背景:与拔除阻生第三磨牙不同，拔除非阻生第三磨牙的决定对牙医和患者都具有挑战性。本研究探讨无症状无阻生第三磨牙相邻第二磨牙的病理。方法:回顾性研究749例患者2015年4月至10月的数字x线片。全景x线片评估是否存在无症状无阻生的第三磨牙和相邻第二磨牙的病变。根据年龄和性别对患者进行复查。结果:根据纳入和排除标准对2342颗无症状第三磨牙进行了评估，其中2112颗无影响。与非阻生第三磨牙相邻的第二磨牙与远端龋齿(25.2%)、近端骨质流失(10.5%)和总骨质流失(37.2%)显著相关，即中端和远端骨质流失。结论:第三磨牙及其邻牙的病变可由多种因素引起。由于无法保持口腔卫生，也可能发生龋齿和牙周病。有了定期的随访计划，由牙医加强和良好的口腔卫生，一些与非阻生第三磨牙明显相关的病理是可以预防的，可能不需要预防性拔牙。

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

Minerva stomatologica DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

1.50

自引率

0.00%

发文量

期刊介绍： The journal Minerva Stomatologica publishes scientific papers on dentistry and maxillo-facial surgery. Manuscripts may be submitted in the form of editorials, original articles, review articles, case reports, therapeutical notes, special articles and letters to the Editor. Manuscripts are expected to comply with the instructions to authors which conform to the Uniform Requirements for Manuscripts Submitted to Biomedical Editors by the International Committee of Medical Journal Editors (www.icmje.org). Articles not conforming to international standards will not be considered for acceptance.