Palatal Bone Wall Thickness in Anterior Maxillary Sites: CBCT Assessments in Dentate Patients.

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-11-01 DOI:10.11607/jomi.9674

Fathi M Elgaddari, Jasim M Albandar

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引用次数: 1

Abstract

Purpose: To assess the thickness of the palatal bone wall of maxillary anterior teeth in relation to age, sex, and tooth type.

Materials and methods: A total of 100 CBCT images of patients ≥ 18 years of age were used. The thickness of the palatal bone at the maxillary canines and incisors was assessed perpendicular to the long axis of the teeth at three locations: 4 mm apical to the cementoenamel junction (CEJ; MP1), halfway between the CEJ and the root apex (MP2), and at the root apex (MP3).

Results: At the MP1 site, 96% of the maxillary anterior teeth had a palatal bone thickness of < 1 mm, with a mean thickness of 0.5 mm. At the MP2 and MP3 sites, 86% and 100% of the teeth had ≥ 1 mm bone thickness, and the means were 2 and 5 mm, respectively. There were no significant differences among the age or gender groups. Maxillary canines showed significantly greater bone thickness than maxillary incisors, particularly at MP2 and MP3 sites.

Conclusion: Most of the examined teeth had thin palatal bone at the MP1 measurement site, and maxillary canines showed significantly thicker palatal bone than maxillary incisors. This finding should be considered when treatment planning for immediate implants in the maxillary anterior segment.

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上颌前位腭骨壁厚度:齿状病人的CBCT评估。

目的:探讨上颌前牙腭骨壁厚度与年龄、性别、牙型的关系。材料与方法:采用≥18岁患者的CBCT图像共100张。上颌犬齿和门牙的腭骨厚度垂直于牙齿的长轴在三个位置进行评估:顶端到牙髓-牙釉质交界处(CEJ) 4mm;MP1)、CEJ与根尖之间(MP2)和根尖处(MP3)。结果:上颌前牙MP1部位96%的上颌前牙腭骨厚度< 1mm，平均厚度0.5 mm。在MP2和MP3部位，86%和100%的牙齿骨厚≥1 mm，平均值分别为2和5 mm。年龄和性别组间无显著差异。上颌犬齿的骨厚度明显大于上颌门牙，尤其是在MP2和MP3部位。结论:MP1测量部位大部分被测牙齿的腭骨较薄，上颌犬齿的腭骨明显较上颌切牙厚。在制定上颌前段即刻种植的治疗计划时，应考虑到这一发现。

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

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.