The Growth of Articular Eminence Height During Craniofacial Growth Period

Katsavrias, Elias G.; Dibbets, J. M. H.

doi:10.1080/08869634.2001.11746146

Cited by 71 publications

(134 citation statements)

References 11 publications

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“…Importantly, both methods have shown similar AE angle values. 7,8,19 The inclination of the AE is therefore defined as the angle formed by one of the lines that passes through the AE and the Frankfort horizontal plane or any other horizontal plane, such as the occlusal plane or palatal plane 9 . The horizontal plane used as the reference in this study was the palatal plane (formed between the anterior nasal spine and posterior nasal spine), since it is easy to define in multiplanar reconstruction in the axial and sagittal slices of the software used.…”

Section: Discussionmentioning

confidence: 99%

“…6,7,8 The AE inclination constitutes an important element in the biomechanics of the TMJ, as well as the entire masticatory system, defined as the angle between the posterior wall of the AE and a horizontal reference plane. 4,9 This inclination can be measured in degrees, with normal values between 30º and 60º. 10 AEs below 30º are classified as flat and above 60º, as steep 9 , Declaration of Interests: The authors certify that they have no commercial or associative interest that represents a conflict of interest in connection with the manuscript.…”

Section: Introductionmentioning

confidence: 99%

“…4,9 This inclination can be measured in degrees, with normal values between 30º and 60º. 10 AEs below 30º are classified as flat and above 60º, as steep 9 , Declaration of Interests: The authors certify that they have no commercial or associative interest that represents a conflict of interest in connection with the manuscript.…”

Section: Introductionmentioning

confidence: 99%

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Relationship between articular eminence inclination and alterations of the mandibular condyle: a CBCT study

Cruz

Melo

et al. 2017

Braz. oral res.

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This study aimed at verifying the correlation among angulation of the articular eminence (AE), shape of the condyle and its degenerative bone diseases (DBDs), according to age and sex, through Cone Beam Computed Tomography (CBCT). Five hundred and twenty-eight temporomandibular joints (TMJ) were evaluated. The condyles were classified as: flat, convex, angled and rounded, and the AE angulation was measured. The DBDs evaluated were osteophytes, flattening, erosion, subcortical cysts and spinal sclerosis. There was no difference in the mean angulations in relation to age group (p>0.05). In age groups of 60-69 years (p=0.003) and 70 years or over (p=0.021), the angulation was higher in males. There was an association between DBD and sex (p=0.047), in that the prevalence was higher in females. Differences in AE angles were not observed in condyles with one or no DBDs (p>0.05). However, the presence of two or more DBDs led to a decrease in the angle (p<0.05). Angled condyles showed higher AE angulations than the flat and convex types (p<0.01). In conclusion, the AE inclination is influenced by DBD and condyle shape; an association of two or more bone diseases in the condyle, or its flat or convex anatomy, results in a decrease in the angulation.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Relationship between articular eminence inclination and alterations of the mandibular condyle: a CBCT study

Cruz

Melo

et al. 2017

Braz. oral res.

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“…Articular eminences having inclination values smaller than 30º have been characterized as flat, and those having values greater than 60º have been characterized as steep (Katsavrias, 2002).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Articular Eminence Morphology and Inclination in TMJ Internal Derangement Patients with MRI

et al. 2012

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SUMMARY: Articular eminence morphology and inclination are reported to be two predisposing factors for the internal derangement (ID). The purpose of this study is to investigate the relationship between the inclination and morphology of the articular eminence and ID. The study included 70 temporomandibular joints with ID in 35 patients: 51 joints had disc displacements with reduction (DDWR) and 19 joints had disc displacements without reduction (DDWOR). All subjects underwent bilateral high resolution magnetic resonance imaging scans which were performed in the sagittal and coronal planes with mouths closed and opened. Articular eminence morphology was characterized as box, sigmoid, flattened, or deformed. Articular eminence inclination was measured at three positions: steep (from 60° to 90°), moderate (from 30° to 60°) and shallow (from 15° to 30°). The images were divided into two; DDWR and DDWOR, and these two criteria were compared. The images of the two groups were compared; while flattened form was occurred with the highest incidence in the DDWOR group, sigmoid form was the most frequent in the DDWR group and articular eminence inclination was found steeper than it was for the DDWOR group. The steepness of the articular eminence may not have a predisposing effect on the development of disc displacements.

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“…Because, taking transcranial radiographs, patients are instructed to take a position with their Frankfort plane approximately parallel to the horizontal plane, the horizontal line in radiograph was used as a reference line in the measurement. In the result, the inclination of the articular eminence measured in terms of the method introduced by Katsavria et al 10) was steeper in open lock group than in TMD and normal group. This result implies that patients with steeper articular eminence are riskier to TMD open lock, and in concordance with the previous studies that poor development associated TMD open lock 7) and recurrent mandibular dislocation mainly occurred in patients with a steep articular eminence.…”

Section: Radiographic Analysismentioning

confidence: 75%