Cone-beam tomography assessment of the condylar position in asymptomatic and symptomatic young individuals

Lelis, Éverton Ribeiro; Henriques, João César Guimarães; Tavares, Marcelo; Mendonça, Marcos Rogério de; Neto, Alfredo Júlio Fernandes; Almeida, Guilherme de

doi:10.1016/j.prosdent.2015.04.006

Cited by 39 publications

(23 citation statements)

References 19 publications

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“…Similarly, many studies have concluded that the presence or absence of TMD was not correlated with condyle position in TMJ. [22,23] In this study, superior and MJS were significantly different when affected joints in comparison with normal counterparts in both genders.…”

Section: Discussionmentioning

confidence: 46%

Spatial analysis of mandibular condyles in patients with temporomandibular disorders and normal controls using cone beam computed tomography

2017

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Objectives:The aim of the study is to investigate the condylar position and its relation to articular eminence and axial condylar angle in temporomandibular joint disorder (TMD) patients and in normal controls using cone beam computed tomography (CBCT).Materials and Methods:CBCT temporomandibular joint (TMJ) images of 70 participants (38 males and 32 females, mean age 26.4 years) were analyzed. They were divided into control group (including 35 subjects) and study group (including 35 subjects). Linear measurements of joint space and condyle determined the condylar position of each TMJ. Articular eminence height and inclination were also measured with axial condylar angle to determine its relation to condylar position. Independent and paired sample t-test was applied to compare between the groups and TMJ sides of the same group at significance level of 0.05.Results:Statistical significant differences were found between males and females of both groups regarding superior joint space (SJS), lateral joint space, A-P, and M-L condyle distance (P < 0.05). SJS, medial joint space (MJS), and eminence angle were greater (P < 0.01) in male's joints with TMD with flatter axial condylar angle (P < 0.05), when compared with normal TMJ counterpart. Females TMJs showed significantly higher values of MJS of affected side when compared with normal counterpart with flatter axial condylar angle (P < 0.05).Conclusion:Superior and MJS parameters were the ones that showed significant differences between affected and nonaffected joints. The mean axial condylar angle was smaller in joints with abnormal TMJ. This indicates that the condyles of the affected joints may rotate inward.

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Section: Discussionmentioning

confidence: 46%

Spatial analysis of mandibular condyles in patients with temporomandibular disorders and normal controls using cone beam computed tomography

2017

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“…25 Lelis et al found that there were no significant differences in the condylar positions between the centric relation and the maximum intercuspation in either symptomatic or asymptomatic young adults. 26 This could be due to different accuracy of the imaging technique, different anatomy of the samples or the young age of the patients in this study (the patients did not have enough time to develop changes in the condylar position). 26 Some researchers believe that the reasons for the posterior condylar position arise from disk displacement, 13 osteoarthritis, 23 bone remodeling of the articular eminence and the condyle, 27 and osteoarthrosis.…”

Section: Discussionmentioning

confidence: 93%

“…26 This could be due to different accuracy of the imaging technique, different anatomy of the samples or the young age of the patients in this study (the patients did not have enough time to develop changes in the condylar position). 26 Some researchers believe that the reasons for the posterior condylar position arise from disk displacement, 13 osteoarthritis, 23 bone remodeling of the articular eminence and the condyle, 27 and osteoarthrosis. 28 One MRI study revealed that the posterior condyle position was the main feature of TMJ with slight and moderate anterior disk displacement.…”

Section: Discussionmentioning

confidence: 93%

Comparative assessment of condylar position in patients with temporomandibular disorder (TMD) and asymptomatic patients using cone-beam computed tomography

et al. 2019

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Background. Temporomandibular disorders (TMD) are the most common reason of non-dental pain in the orofacial region. A clinical examination of the temporomandibular joint (TMJ) with additional imaging is the most recommended procedure for TMD diagnosis. Objectives. The objective of this study was to evaluate the association between TMD and the condylar position in the glenoid fossa by examining a group of patients suffering from TMD compared with a control group of patients without TMD. In this study, we used cone-beam computed tomography (CBCT) images for measurements. Material and methods. Sixty-five symptomatic joints were selected from 48 patients with TMD. Sixtyfive joints were selected from a total of 96 asymptomatic joints in the control group. The superior, anterior and posterior area of the joint, and the steepness of the articular eminence were measured on the CBCT images. The data was analyzed using Pearson's χ 2 test. Results. The position of the condyle was significantly more posterior in the joints with TMD, and more anterior and centric in the asymptomatic joints. Statistically, the vertical position of the condyle and the steepness of the articular eminence had no significant relation with the occurrence of TMD. Conclusions. In this study, we observed that the posterior condylar position is more common in TMD patients, but it is not the reason for diagnosing TMD, and the reason of the posterior position of the condyle should be investigated before any decisions pertaining to treatment are made. In future, studies should focus on evaluating how the position of the condyle will change after the treatment of patients with TMD.

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“…[9][10][11] Nonconcentric condyle-fossa relationships have been associated with abnormal TMJ function. 10,[12][13][14][15][16][17][18] However, in other studies, 4,5,13,[19][20][21][22] the presence or absence of temporomandibular disorder (TMD) did not correlate with the condyle position in the TMJ.…”

Section: Introductionmentioning

confidence: 99%

“…Some research has noted the influence of occlusion in the condylar process-mandibular fossa relationship, 4,5,10,[13][14][15][27][28][29][30][31][32][33] while others have not. 4,5,13,[19][20][21][22] Studies have found that the condyles were positioned more anteriorly, 4,5,10,[13][14][15]27,28 posteriorly, 27,29,30 intermediately, 27 superiorly 27,28,31,32 and inferiorly 33 in various occlusal, skeletal, and facial relationships. In addition to condylar position, occlusion might be related to the articular eminence angle or slope 13,14,28 and articular eminence height, 14,16,17 or the vertical height of the fossa 13,19,28,31 and anteroposterior and mediolateral thickness of the condylar head.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of condyle-fossa relationships in adolescents with various skeletal patterns using cone-beam computed tomography

Chae

Park

Tai

et al. 2019

The Angle Orthodontist

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Objectives: To evaluate the condyle-fossa relationship in adolescents with various skeletal patterns using cone-beam computed tomography (CBCT). Materials and Methods: CBCT images obtained in 120 adolescent patients were used for this study. The patients were divided into 3 groups according to 3 criteria: (1) age (early, middle, and late adolescence); (2) facial height ratio or Jarabak quotient (hyperdivergent, normodivergent, and hypodivergent); and (3) ANB classification (Class I, Class II, and Class III). Temporomandibular joint space (TMJS: AS, anterior space; SS, superior space; PS, posterior space; MS, medial space; LS, lateral space), width and depth of the condyle (MLT, mediolateral thickness; APT, anteroposterior thickness), articular slope (ArS) and vertical height of the fossa (VHF) were measured and compared using CBCT. Results: Differences in condyle-fossa relationships were not significantly different between male and female adolescents, but were significantly different (P < .05) between left and right sides. The mean values showed no statistical differences according to age and skeletal pattern. Most measurements in the sagittal view showed that SS was the greatest, and the mean ratio of AS to SS to PS was 1.00 to 1.27 to 1.19, respectively. The mean values of coronal MS and LS were not significantly different. Conclusions: There were almost no statistical differences in the TMJS in adolescents across various factors except between left and right sides.

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Cone-beam tomography assessment of the condylar position in asymptomatic and symptomatic young individuals

Cited by 39 publications

References 19 publications

Spatial analysis of mandibular condyles in patients with temporomandibular disorders and normal controls using cone beam computed tomography

Spatial analysis of mandibular condyles in patients with temporomandibular disorders and normal controls using cone beam computed tomography

Comparative assessment of condylar position in patients with temporomandibular disorder (TMD) and asymptomatic patients using cone-beam computed tomography

Evaluation of condyle-fossa relationships in adolescents with various skeletal patterns using cone-beam computed tomography

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