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- Title
Angle Class II/2nd Division: is there an alignment?
- Authors
NASCIMENTO, Ana Lucia de Oliveira; REIS, Fabiano; NAGAE, Mirian Hideko
- Abstract
Introduction: Interdisciplinary investigative study of the stomatognathic-cervical complex, necessary to understand the structure and biomechanics of this system in Angle Class I and II / 2nd Division participants. Objective: To evaluate alignment and position of cranial cervical structures on radiographs and their functional relationship with the stomatognathic system. Material and method: Trans Oral and Profile radiographs were submitted to biomechanical analysis, considered the linear and angular measurement of Atlas and Axis through the application included in the radiogram software. Result: We observed a significant difference in the angular measurements of vertical alignment between the Skull, Axis, and the Mandible (p = <0.001), and in the left joint between the Atlas and the Axis (AE: p = 0.011; SEA: p = 0.042). Among the linear measures of the distances between the Atlas and the Axis, the AOD distance presented statistics quite close to the level of significance (p = 0.0502), but above. There was no statistically significant difference in the other measures. Conclusion: In this study, the alignment between the Atlas and Axis cervical vertebrae and the mandible and angles of the atlanto-occipital joints are altered in Class II / 2nd Division participants. There is no difference in the size and distance of the Atlas and the Axis between the Classes.
- Subjects
ATLANTO-occipital joint; STOMATOGNATHIC system; CERVICAL vertebrae; ANGULAR measurements; LENGTH measurement
- Publication
Universidade Estadual Paulista. Revista de Odontologia, 2023, Vol 52, p1
- ISSN
0101-1774
- Publication type
Article
- DOI
10.1590/1807-2577.00123