A three-dimensional computerized tomography study into the morphological interrelationship between anterior and posterior guidance and the occlusal scheme in human Caucasian skulls

Costa, Hélder Nunes; Slavicek, R; Sato, Sadao

doi:10.1007/s12548-011-0001-z

Cited by 3 publications

(3 citation statements)

References 48 publications

(55 reference statements)

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“…Considering that the patients in this study had a mean age Our study found that changes in anterior teeth inclination do not seem to affect the changes in the articular eminence angle. This finding is not consistent with previous reports that found a strong positive correlation between the articular eminence angle and the lingual surface angle of the maxillary incisors [7][8][9]. Overall, our results suggest that changes in the vertical overlap of the maxillary incisors over the mandibular incisors, rather than the inclination of the maxillary incisors, may have a greater impact on the articular eminence angle during orthodontic treatment.…”

Section: Discussioncontrasting

confidence: 99%

“…Bell and Harris [8] found that the lingual surface angle was, on average, 6.1° steeper than the articular eminence angle. In a more recent study using cone-beam computed tomography (CBCT), it was confirmed that anterior guidance showed slightly higher inclination values than condylar guidance [9].…”

Section: Introductionmentioning

confidence: 90%

“…In the present study, we modified some reference points and parameters from previous studies (Table 2) [2,9,[20][21][22][23][24].…”

Section: Orientation Of Cbct Images and Measurementsmentioning

confidence: 99%

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Effect of orthodontic treatment on temporomandibular joint’s articular eminence and condylar position

Cho,

Jeong,

Choi

et al. 2023

Oral Biol Res

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The purpose of this study was to investigate the effect of the orthodontic treatment on temporomandibular joint's articular eminence and condylar position. This study included 95 adult patients who received fixed orthodontic treatment. The labiolingual inclination of the incisor, anterior overjet, and overbite were measured using cephalometric radiographs. The inclination of the articular eminence and condylar position were measured using cone-beam computed tomography before and after treatment. Regression analysis was employed to explore whether changes in incisor inclination and anterior occlusion affected the posterior inclination of the articular eminence and condylar position. Changes in the posterior inclination of the articular eminence and anterior joint space were found to be positively correlated with changes in anterior overbite. In contrast, changes in the posterior joint space were negatively correlated with changes in maxillary incisor inclination. The results suggest that changes in anterior occlusion, particularly anterior overbite, following orthodontic treatment may lead to minor adjustments in the posterior inclination of the articular eminence and condyle position.

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Section: Discussioncontrasting

confidence: 99%

Section: Introductionmentioning

confidence: 90%

See 1 more Smart Citation

Effect of orthodontic treatment on temporomandibular joint’s articular eminence and condylar position

Cho,

Jeong,

Choi

et al. 2023

Oral Biol Res

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Relationship of maxillary 3-dimensional posterior occlusal plane to mandibular spatial position and morphology

Coro

Velásquez

Coro³

et al. 2016

American Journal of Orthodontics and Dentofacial Orthopedics

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A computerized tomography study of the morphological interrelationship between the temporal bones and the craniofacial complex

2012

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The hypothesis that the temporal bones are at the center of the dynamics of the craniofacial complex, directly influencing facial morphology, has been put forward long ago. This study examines the role of the spatial positioning of temporal bones (frontal and sagittal inclination) in terms of influencing overall facial morphology. Several 3D linear, angular and orthogonal measurements obtained through computerized analysis of virtual models of 163 modern human skulls reconstructed from cone-beam computed tomography images were analyzed and correlated. Additionally, the sample was divided into two subgroups based on the median value of temporal bone sagittal inclination [anterior rotation group (n = 82); posterior rotation group (n = 81)], and differences between groups evaluated. Correlation coefficients showed that sagittal inclination of the temporal bone was significantly (P < 0.01) related to midline flexion, transversal width and anterior-posterior length of the basicranium, to the anterior-posterior positioning of the mandible and maxilla, and posterior midfacial height. Frontal inclination of the temporal bone was significantly related (P < 0.01) to basicranium anteriorposterior and transversal dimensions, and to posterior midfacial height. In comparison with the posterior rotation group, the anterior rotation group presented a less flexed and anterior-posteriorly longer cranial base, a narrower skull, porion and the articular eminence located more superiorly and posteriorly, a shorter posterior midfacial height, the palatal plane rotated clockwise, a more retrognathic maxilla and mandible, and the upper posterior occlusal plane more inclined and posteriorly located. The results suggest that differences in craniofacial morphology are highly integrated with differences in the positional relationship of the temporal bones. The sagittal inclination of the temporal bone seems to have a greater impact on the 3D morphology of the craniofacial complex than frontal inclination.

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A three-dimensional computerized tomography study into the morphological interrelationship between anterior and posterior guidance and the occlusal scheme in human Caucasian skulls

Cited by 3 publications

References 48 publications

Effect of orthodontic treatment on temporomandibular joint’s articular eminence and condylar position

Effect of orthodontic treatment on temporomandibular joint’s articular eminence and condylar position

Relationship of maxillary 3-dimensional posterior occlusal plane to mandibular spatial position and morphology

A computerized tomography study of the morphological interrelationship between the temporal bones and the craniofacial complex

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