An Evaluation of the Relationship between Condylar Guidance, Occlusal Plane Orientation, Cuspal Inclination, and Compensatory Curves in Permanent Dentition.
Varalakshmi K Raja, Prema Anbarasu, Sp Saravana Dinesh, Saravana Kumar Subramanian, Gabriel Eisenhuth, Sebastian Eisenhuth, Claudia Eisenhuth, Shilpa Bhandi
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Abstract
Background: Understanding the relationship between condylar guidance (CG), occlusal plane orientation, cuspal inclination, and compensatory curves in natural dentition is important in orthodontics for ensuring post-treatment stability and managing temporomandibular joint disorders. Therefore, the study's objective is to assess the relationship between the compensatory curve in natural dentition, the inclination of functional cusps and occlusal plane, and CG.
Materials and methods: Condylar guidance, occlusal plane and cuspal inclination, and the compensating curve were measured in 56 pretreatment samples (lateral cephalograms and study models). The study models' STL images, digital cephalometric tracing with FACAD software, and 3D scanning technology (Shining 3D Auto Scanner) were used to evaluate the parameters. The associations between cuspal inclination, occlusal plane orientation, CG, and the compensating curve were evaluated using multivariate correlation analysis.
Results: The analysis revealed an insignificant correlation between CG, occlusal plane and cuspal inclination, and the curve of spee. Furthermore, it shows statistically insignificant relationship, indicating that variations in these factors do not significantly influence each other.
Conclusion: There is no substantial evidence to suggest a direct correlation between the factors of CG, occlusal plane and cuspal inclination, and the compensatory curve in natural dentition. These findings imply that changes in occlusal morphology and plane inclination during orthodontic treatment do not have a significant impact on CG or post-treatment stability. How to cite this article: Raja VK, Anbarasu P, Dinesh SPS, et al. An Evaluation of the Relationship between Condylar Guidance, Occlusal Plane Orientation, Cuspal Inclination, and Compensatory Curves in Permanent Dentition. J Contemp Dent Pract 2025;26(4):377-382.
背景：了解自然牙列中髁突导向（CG）、咬合平面方向、牙尖倾斜度和代偿曲线之间的关系对正畸治疗中确保治疗后稳定性和治疗颞下颌关节疾病具有重要意义。因此，本研究的目的是评估自然牙列代偿曲线、功能牙尖和咬合平面的倾斜度与CG之间的关系。材料和方法：测定56个预处理样本（侧位头颅图和研究模型）的髁突导向、咬合平面和尖倾角、补偿曲线。采用研究模型的STL图像、FACAD软件的数字头视追踪和3D扫描技术（Shining 3D Auto Scanner）对参数进行评估。使用多变量相关分析评估尖牙倾斜度、咬合平面方向、CG和补偿曲线之间的关系。结果：CG、咬合平面、尖倾角与速度曲线的相关性不显著。此外，它显示统计上不显著的关系，表明这些因素的变化并不显著影响彼此。结论：自然牙列的咬合平面和牙尖倾斜度与代偿曲线无直接关系。这些结果表明，正畸治疗过程中咬合形态和平面倾斜度的变化对CG或治疗后稳定性没有显著影响。如何引用本文：Raja VK， Anbarasu P， Dinesh SPS等。恒牙列中髁突导向、咬合平面取向、尖牙倾斜和代偿曲线关系的评价。[J]现代医学学报；2009;26(4):377-382。
期刊介绍：
The Journal of Contemporary Dental Practice (JCDP), is a peer-reviewed, open access MEDLINE indexed journal. The journal’s full text is available online at http://www.thejcdp.com. The journal allows free access (open access) to its contents. Articles with clinical relevance will be given preference for publication. The Journal publishes original research papers, review articles, rare and novel case reports, and clinical techniques. Manuscripts are invited from all specialties of dentistry i.e., conservative dentistry and endodontics, dentofacial orthopedics and orthodontics, oral medicine and radiology, oral pathology, oral surgery, orodental diseases, pediatric dentistry, implantology, periodontics, clinical aspects of public health dentistry, and prosthodontics.
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