评估上颌前牙的牙槽骨结构及其对前牙槽骨弓形态的影响:横断面 CBCT 分析研究

Shweta Hinduja, Shweta Hinduja, Mandavi Waghmare
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引用次数: 0

摘要

:上颌前牙区的种植体植入最具挑战性,因为该区域的牙槽骨薄且吸收快,对美观和生物力学的要求很高。该区域牙齿的牙槽骨结构(ABH)是成功规划种植体的重要参数。不同牙弓形态的牙槽骨厚度也有显著差异。本研究旨在为印度人群提供不同牙槽弓形态下上颌前牙牙槽骨厚度的基线数据。本研究的目的是利用 CBCT 在印度人群样本中生成上颌前牙区域牙槽骨厚度的基线数据。该研究还提出了一个假设,即不同的牙槽弓形态会导致 ABH 的变化:对 100 个 CBCT 扫描结果进行分析,以获得正常上颌前牙三个不同牙根水平和根尖区域的 ABH 平均值。前牙牙槽弓形态(AAF)按犬齿间宽度和犬齿间深度的比率进行分类。采用配对 t 检验和方差分析来评估 CIs、LIs 和 CNs 之间以及不同性别之间的平均 ABH。CNs 和 CIs 的平均 ABH 与 CNs 和 LIs 的平均 ABH 之间存在显著差异(p= 0.00)。在 CNs(p= 0.00)和 CIs(p=0.017)中,男性的平均 ABH 高于女性。这项研究提供了印度人群正常上颌前牙牙槽骨形态的基线数据,有助于临床医生预测种植体的植入计划。
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Evaluation of alveolar bone housing of maxillary anterior teeth and its influence on anterior alveolar arch form: A cross-sectional analytical CBCT study
: Implant placement in the maxillary anterior region is most challenging due to demands of high aesthetics and biomechanical requirements with a prejudice of thin alveolar bone and fast resorption. Alveolar bone housing (ABH) of teeth in this area becomes an important parameter for successful implant planning. Alveolar bone thickness also exhibit significant differences among different arch forms. The present study was designed to provide baseline data of ABH of maxillary anterior teeth in different alveolar arch forms for the Indian population.This study was conducted with the aim to generate baseline data of ABH in the maxillary anterior region in a sample of Indian population using CBCT. A further hypothesis was made that the ABH varies in different AAFs. : 100 CBCT scans were analysed for ABH as the mean of dimension at three different root levels and apical region for normal maxillary anterior teeth. Anterior alveolar arch form (AAF) was classified as ratio of inter-canine width and inter-canine depth. Paired t-test and ANOVA was used for evaluating mean ABH amongst the CIs, LIs, and CNs and across gender. Bonferroni post hoc test was carried out for comparative analysis between ABH and AAF.Significant difference was seen between mean ABH of CNs and CIs and CNs and LIs (p= 0.00). Males had higher mean ABH than females in CNs(p= 0.00) and CIs (p=0.017). No significant difference was seen between mean ABH and AAFs.This study generates a baseline data of alveolar bone morphology of normal maxillary anterior teeth in Indian population to aid the clinicians in predictably planning placement of implants.
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