Almansour Moazzy I, Madfa Ahmed A, Alotaibi Alanoud N, Alturki Rawan T, Alshammari Ahad F
Department of Restorative Dental Science, College of Dentistry, University of Ha'il, Ha'il, Kingdom of Saudi Arabia.
Dentist, Private Sector, Ha'il, Kingdom of Saudi Arabia.
Heliyon. 2024 May 22;10(11):e31637. doi: 10.1016/j.heliyon.2024.e31637. eCollection 2024 Jun 15.
Dentists utilize various techniques and materials for post and core restoration of endodontically treated teeth, which remains a noteworthy health concern and can be addressed through interdisciplinary strategies to enhance outcomes. Therefore, this study aimed to evaluate the technical quality of the residual gutta-percha (GP) and posts by analysing the periapical radiographs of endodontically restored teeth.
A total of 594 periapical digital radiographs were evaluated for tooth type, post material, post shape, design, diameter, length, residual GP, GP length, GP tapering, GP homogeneity, and final restoration. Frequency distribution and cross-tabulation of the variables were performed.
Maxillary molars had the highest frequency of restorations, including posts, accounting for 27.4 %, followed by maxillary premolars (25.4 %) and maxillary anterior teeth (19.2 %). The prefabricated metallic posts were most commonly used (81.0 %), among these, 50.4 % were screwed posts. Tapered posts were the most commonly used (65.6 %). The percentage of posts with an acceptable length was 58.2 %. The most commonly used posts exhibited a width of one-third of the root diameter, accounting for 87.0 %. Suitable GP lengths were observed in 61.1 % of the restorations, and 62.8 % demonstrated adequate GP homogeneity. The findings of this study revealed that crown restoration accounted for 42.6 % of the studied sample.
The technical quality of the remaining GP after restoration was comparable to that of previous epidemiological investigations. However, the technical quality of the post was deemed suboptimal.
牙医在牙髓治疗后的牙齿桩核修复中使用各种技术和材料，这仍然是一个值得关注的健康问题，可以通过跨学科策略来改善治疗效果。因此，本研究旨在通过分析牙髓修复牙齿的根尖片来评估剩余牙胶尖（GP）和桩的技术质量。
共评估了594张根尖数字化X线片，内容包括牙齿类型、桩材料、桩形状、设计、直径、长度、剩余牙胶尖、牙胶尖长度、牙胶尖锥度、牙胶尖均匀性和最终修复情况。对变量进行频率分布和交叉制表分析。
上颌磨牙的修复（包括桩修复）频率最高，占27.4%，其次是上颌前磨牙（25.4%）和上颌前牙（19.2%）。最常用的是预制金属桩（81.0%），其中50.4%是螺纹桩。锥形桩最常用（65.6%）。桩长度合格的比例为58.2%。最常用的桩宽度为牙根直径的三分之一，占87.0%。61.1%的修复体观察到合适的牙胶尖长度，62.8%的修复体显示牙胶尖均匀性良好。本研究结果显示，冠修复占研究样本的42.6%。
修复后剩余牙胶尖的技术质量与以往的流行病学调查结果相当。然而，桩的技术质量被认为欠佳。
