scholarly journals Camouflage treatment of posterior bite collapse in a patient with skeletal asymmetry by using posterior maxillary segmental osteotomy

2020 ◽  
Vol 50 (4) ◽  
pp. 278-289
Author(s):  
Haitham Badr ◽  
Soo-Yeon Lee ◽  
Hong-Sik Park ◽  
Joo-Young Ohe ◽  
Yoon-Goo Kang ◽  
...  
Keyword(s):  
2016 ◽  
Vol 21 (4) ◽  
pp. 73-79 ◽  
Author(s):  
Guilherme Thiesen ◽  
Bruno Frazão Gribel ◽  
Keila Cristina Rausch Pereira ◽  
Maria Perpetua Mota Freitas

ABSTRACT Introduction: Facial skeletal asymmetry is commonly found in humans and its main characteristic is menton deviation. The literature suggests that occlusal and masticatory problems arising from tooth absence could be related to the development of such asymmetries. Objective: The aim of this cross-sectional study was to estimate the prevalence of mandibular skeletal asymmetries and to investigate its association with posterior tooth absences. Methods: Tomographic images of 952 individuals aged from 18 to 75 years old were used. Asymmetry was the analyzed outcome, and it was categorized into three groups according to gnathion displacement in relation to the midsagittal plane (relative symmetry, moderate asymmetry, and severe asymmetry). Patients were sorted by the presence of all posterior teeth, unilateral posterior tooth absence, or bilateral posterior tooth absence. Chi-square test with a significance level of 5% was used to verify the association between posterior tooth absence and asymmetry. Results: Results show relative symmetry present in 55.3% of the sample, as well as the prevalence of 27.3% for moderate mandibular asymmetry and 17.4% for severe asymmetry. Moderate and severe mandibular asymmetries occurred in a higher proportion in patients with unilateral posterior tooth absence. However, there was no statistically significant difference between the analyzed groups (p = 0.691). Conclusions: In this study, mandibular asymmetries did not present any association with the absence of teeth on the posterior area of the arch.


Author(s):  
Kai Xia ◽  
Wentian Sun ◽  
Liyuan Yu ◽  
Xinqi Huang ◽  
Zhihe Zhao ◽  
...  

Abstract Background Mandibular deviations are common clinical complaints. The orthodontic or orthognathic treatment of mandibular deviations is tricky because a comprehensive diagnosis, especially a functional one, is difficult to make. A inaccurate diagnosis may lead to a compromised and unstable treatment outcome. Case presentation This article describes the diagnosis and treatment of a woman with a mandibular deviation and facial skeletal asymmetry. By eliminating the disharmony of the arch form with elastics and bite turbos, her esthetic and functional outcomes improved. Cone-beam CT (CBCT) and Joint Space Index (JSI) analyses served as the diagnostic approaches and outcome evaluation methods before and after treatment. Conclusions A condyle position displacement could be an indication of functional deviation. JSI analysis is a quantitative and convenient choice to compare condyle relative positions.


2017 ◽  
Vol 36 (4) ◽  
pp. 206-212 ◽  
Author(s):  
Bernice Sophie Spiteri ◽  
Yanika Stafrace ◽  
Jean Calleja-Agius

AbstractSilver-Russell syndrome (SRS) is a rare congenital imprinting disorder. The genetic findings in SRS patients are heterogeneous and often sporadic. However, chromosomes 7, 11, and 17 are consistently involved in all individuals who meet the strict diagnostic criteria of SRS. There are many clinical features characteristic of SRS; the most common are low birth weight, short stature, triangular face, clinodactyly, relative macrocephaly, ear anomalies, and skeletal asymmetry.


2007 ◽  
Vol 23 (1) ◽  
pp. 10-15 ◽  
Author(s):  
Masahito Maeda ◽  
Akitoshi Katsumata ◽  
Yoshiko Ariji ◽  
Atsushi Muramatsu ◽  
Kenji Yoshida ◽  
...  

2018 ◽  
Vol 89 (3) ◽  
pp. 464-469 ◽  
Author(s):  
Lucas Cardinal ◽  
Inês Martins ◽  
Bruno Frazão Gribel ◽  
Gladys Cristina Dominguez

ABSTRACT Objectives: To evaluate if there is a true skeletal asymmetry of the condylar and coronoid processes of the mandible in growing individuals with unilateral posterior crossbite (UPC) either functional or not. Materials and Methods: This cross-sectional study screened a total of 1120 cone beam computed tomography (CBCT) scans based on inclusion and exclusion criteria. The final sample comprised 20 CBCT images of individuals with UPC and 19 CBCT images of individuals without transverse malocclusion. The lengths of the condylar and coronoid processes were measured to evaluate asymmetry, as well as the magnitude of the mandibular lateral deviation in the UPC group. Results: There was a significant difference between the lengths of the affected and nonaffected sides of the coronoid processes in the UPC group (P < .01). The same was not observed in the condyle in the UPC group (P > .05). There were no significant differences between the groups (P > .05). Conclusions: Although no differences in the condyle were observed, the coronoid process was asymmetric in individuals with UPC. However, this asymmetry was not considered to be clinically significant.


1984 ◽  
Vol 85 (3) ◽  
pp. 224-237 ◽  
Author(s):  
Clifton T. Forsberg ◽  
Charles J. Burstone ◽  
Kevin J. Hanley

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