Correlation between temporomandibular joint morphometric measurements and gender, disk position, and condylar position

Pontes, Marcela Lins Cavalcanti de; Melo, Saulo Leonardo Sousa; Bento, Patrícia Meira; Campos, Paulo Sérgio Flores; Melo, Daniela Pita de

doi:10.1016/j.oooo.2019.07.011

Cited by 9 publications

(3 citation statements)

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“…Small samples undermine the internal and external validity of a study and large samples tend to transform small differences into statistically significant differences (18). When assessing the TMJ, each patient counts as two TMJs and sample sizes of the assessed literature varied from 11 to 800 (5,8,13,14,(19)(20)(21).…”

Section: Literature Reviewmentioning

confidence: 99%

“…The articular fossa is the articular component of the squamous portion of the temporal bone. The articular fossa presents an average depth of 4.73 mm for male patients and 4.34 mm for female patients, using the vertex of the articular eminence as reference point (13). The petrotympanic fissure limits the articular fossa posteriorly.…”

Section: Articular Component Of the Temporal Bone-articular Fossamentioning

confidence: 99%

“…The complexity of TMJ morphology has driven researchers to investigate its morphologic and morphometric features and their relationship with temporomandibular disorders (TMD) (5). Various image modalities have been used to assess TMJ's morphology, i.e., magnetic resonance imaging (MRI), computed tomography (CT), cone beam computed tomography (CBCT), ultrasound (US) and panoramic radiography (PR) (2,(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15). Conventional bidimensional images of the TMJ present distortions and are not acceptable for morphometric assessments, while US images are not usually used on morphometric analysis.…”

Section: Introductionmentioning

confidence: 99%

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The morphometric measurements of the temporomandibular joint

Melo¹,

Silva²,

Campos³

et al. 2021

Front Oral Maxillofac Med

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The temporomandibular joint (TMJ) is a synovial joint classified for its surface shape and complex biaxial movements as a ginglimoartrodial joint and presents the widest joint range of movements when compared with the other joints of the human body. The complexity of TMJ morphology has driven researchers to investigate its morphometric features and their relationship with temporomandibular disorders (TMD). Therefore, the knowledge of morphological and morphometric data of each bone component of the TMJ is of paramount importance for identifying bone changes related to the TMJ, in the presence of TMD in symptomatic and non-symptomatic patients. This literature review aims to assess previous studies on the TMJ bone structures morphological and morphometric findings and discuss what these findings implicate on TMDs. The assessed studies varied in sample size and categorization, and measurement methodologies [measurements done directly on specimen, image modality-computed tomography (CT), cone beam computed tomography (CBCT), magnetic resonance imaging (MRI)], study method of choice and main morphometric points). Morphometric measurements of the condyle, articular fossa and articular eminence were assessed in different planes (axial, sagittal and coronal). Male patients present higher condyle and glenoid fossa morphometric measurement values than female patients, however, when considering the articular eminence's inclination/steepness the gender difference is not conclusive. When more than one image method was assessed, a slight difference has been observed between the image modalities. It can be concluded that large, paired samples and longitudinal studies using non-ionizing images are still needed to assess the TMJ morphometric values and its association with internal disorders, age, ethnicity, and gender.

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