Mandibular asymmetry: Is there a difference in the bone and soft tissue thickness between both sides?

Ng, Wee Hsuan; Goh, Bee Tin; Lim, Asher Ah Tong; Tan, Mei

doi:10.1016/j.oooo.2022.05.010

Cited by 4 publications

(4 citation statements)

References 30 publications

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“…However, condylectomy is a challenging and traumatic procedure with unpredictable functional recovery for the middle-aged when the condylar hyperplasia ceases. 7 The bone of the mandibular inferior border on the affected side exhibited significant hyperplasia and hypertrophy. The mandibular angle and inferior border on the affected side can be resected through an intraoral incision to remarkably optimize the appearance.…”

Section: Discussionmentioning

confidence: 99%

“…Condylectomy is used to make the height of the mandibular ascending branch consistent bilaterally. However, condylectomy is a challenging and traumatic procedure with unpredictable functional recovery for the middle-aged when the condylar hyperplasia ceases 7 . The bone of the mandibular inferior border on the affected side exhibited significant hyperplasia and hypertrophy.…”

Section: Discussionmentioning

confidence: 99%

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Inferior Alveolar Nerve Repositioning With the Computer-Aided Design in Hemimandibular Hyperplasia

Liao,

Zhu,

2024

Journal of Craniofacial Surgery

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A 34-year-old man presented with facial asymmetry and was diagnosed with left-sided hemimandibular hyperplasia. Orthognathic surgery and mandibular angle osteotomy combined with inferior alveolar nerve repositioning were performed with computer-aided design. The facial asymmetry was successfully corrected with acceptable cosmetic results. Inferior alveolar nerve repositioning provided sufficient space for the osteotomy of the affected side with the abnormal mandibular canal. Inferior alveolar nerve repositioning with computer-aided design can be used as an effective and reliable technique for hemimandibular hyperplasia.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Inferior Alveolar Nerve Repositioning With the Computer-Aided Design in Hemimandibular Hyperplasia

Liao,

Zhu,

2024

Journal of Craniofacial Surgery

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“…Many diagnostic aids are available to diagnose mandibular asymmetry like PA cephalogram, cone beam computed tomography, CT, and sterophotogrammetry. 12,13 PA cephalogram is commonly used in practice for evaluation of mandibular asymmetry but this radiograph is associated with extra radiation hazard to the patients.…”

Section: Discussionmentioning

confidence: 99%

Utility of Panoramic Radiograph for Assessment of Mandibular Asymmetry as Compared with Posteroanterior Cephalogram

Khan¹,

Haider²,

Noman³

et al. 2022

PJMHS

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Objective: Was to assess the mandibular asymmetry on panoramic radiograph (OPG) as compared to PA (posterior anterior) cephalogram. Materials and method: A total of 15 participant’s records with age above 12 years; both genders; Pakistani nationals; clear OPG and PA cephalogram available; and full biodata available were included. Radiographs of participants with unerupted or missing teeth in anterior or posterior region were excluded. Three linear measurements (condylar, ramus, and body length) and one angular measurement (gonial angle) were performed on both OPG and PA cephalograms. Paired t test and Pearson correlation test were applied between OPG and PA cephalogram for condylar, ramus, and body length and gonial angle to see the relationship. Results: The females were 6(40%) and males were 9(60%). The mean condylar length measured on OPG was 8.44 ± 2.96mm and on PA cephalogram was 9.98 ± 2.73mm with mean difference of 1.5mm and no statistical difference (p=0.1007). Similarly the ramus length (p=0.706), corpus length (p=0.066) and gonial angle (p=0.333) were not statistically different measured on OPG and PA cephalogram. Very high correlation was found for measurements on OPG and PA cephalogram for condylar length(r=0.97), ramus length (r=0.96), body length (r=0.93) and was very highly statistically significant (p<0.001). But the correlation for gonial angle was moderate and not statistically significant (p=0.035). Conclusion: The panoramic radiograph can be used for initial diagnosis of mandibular asymmetry. Keywords: Mandibular asymmetry, panoramic radiograph, posterior-anterior cephalogram

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“…The following supporting information can be downloaded at: , Figure S1: Results of subgroup analysis; Table S1: Search strategy; Table S2: Risk of Bias; Table S3: Summary of findings using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. References [ 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 ] are cited in Supplementary Materials.…”

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confidence: 99%

Difference in Buccal Gingival Thickness between the Mandible and Maxilla in the Aesthetic Zone: A Systematic Review and Meta-Analysis

Schwarz,

Andrukhov,

Rausch

et al. 2024

JCM

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Background: Fragile gingival tissue is a risk factor for the development of gingival recessions. Despite the fact that gingival recessions are more commonly seen around anterior mandibular teeth, previous research has predominantly concentrated on the gingival dimensions in the anterior maxilla. The objective was to systematically compare buccal gingival thicknesses between the upper and lower jaws in individuals with healthy gingival conditions in the aesthetic zone. Methods: A comprehensive search of three databases was carried out until October 2023. Gingival thickness differences between the maxilla and mandible were evaluated by calculating the mean differences along with the corresponding 95% confidence interval (CI). Subgroup analysis was conducted based on the measurement area, measurement method, and tooth category. Results: A total of seventeen studies were included in this systematic review. Eleven studies were included in the quantitative analysis. Quantitative analysis comparing gingival thickness around 2100 teeth in the anterior mandible to 2056 teeth in the anterior maxilla revealed a statistically significant thinner buccal gingiva in the mandible (mean difference: 0.16 mm; 95% CI [−0.24, −0.07]; p = 0.0003). Conclusions: The present systematic review revealed a more delicate buccal gingiva in the anterior mandible. However, further scientific validation is required due to the considerable heterogeneity in study design and the potential presence of confounding variables.

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Mandibular asymmetry: Is there a difference in the bone and soft tissue thickness between both sides?

Cited by 4 publications

References 30 publications

Inferior Alveolar Nerve Repositioning With the Computer-Aided Design in Hemimandibular Hyperplasia

Inferior Alveolar Nerve Repositioning With the Computer-Aided Design in Hemimandibular Hyperplasia

Utility of Panoramic Radiograph for Assessment of Mandibular Asymmetry as Compared with Posteroanterior Cephalogram

Difference in Buccal Gingival Thickness between the Mandible and Maxilla in the Aesthetic Zone: A Systematic Review and Meta-Analysis

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