scholarly journals Comparison of changes in the transverse dental axis between patients with skeletal Class III malocclusion and facial asymmetry treated by orthognathic surgery with and without presurgical orthodontic treatment

2017 ◽  
Vol 47 (4) ◽  
pp. 256 ◽  
Author(s):  
Han-Sol Song ◽  
Sung-Hwan Choi ◽  
Jung-Yul Cha ◽  
Kee-Joon Lee ◽  
Hyung-Seog Yu
Keyword(s):  
Orthognathic Surgery ◽  
Orthodontic Treatment ◽  
Facial Asymmetry ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class

scholarly journals Compensatory orthodontic treatment of skeletal Class III malocclusion with anterior crossbite

2014 ◽  
Vol 19 (1) ◽  
pp. 113-122 ◽  
Author(s):  
José Valladares Neto
Keyword(s):  
Case Report ◽  
Orthognathic Surgery ◽  
Orthodontic Treatment ◽  
Cranial Base ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class ◽  
Orthodontic Movement ◽  
Main Complaint ◽  
Clinical Stability

INTRODUCTION: This case report describes the orthodontic treatment of an adult patient with skeletal Class III malocclusion and anterior crossbite. A short cranial base led to difficulties in establishing a cephalometric diagnosis. The patient's main complaint comprised esthetics of his smile and difficulties in mastication. METHODS: The patient did not have the maxillary first premolars and refused orthognathic surgery. Therefore, the treatment chosen was orthodontic camouflage and extraction of mandibular first premolars. For maxillary retraction, the vertical dimension was temporarily increased to avoid obstacles to orthodontic movement. RESULTS: At the end of the treatment, ideal overjet and overbite were achieved. CONCLUSION: Examination eight years after orthodontic treatment revealed adequate clinical stability. This case report was submitted to the Brazilian Board of Orthodontics and Facial Orthopedics (BBO) as part of the requirements to become a BBO diplomate.

scholarly journals Nonsurgical Correction of Skeletal Class III Malocclusion by Multibends Edgewise Archwire Technique in an Adult

2015 ◽  
Vol 4 (2) ◽  
pp. 137-142
Author(s):  
Jian-hong YU ◽  
Chien-Chih YU ◽  
Chang Yuan-Chieh ◽  
Tsai Ya-Yu ◽  
Pan Po-Wei
Keyword(s):  
Orthognathic Surgery ◽  
Orthodontic Treatment ◽  
Niti Alloy ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Posterior Teeth ◽  
Skeletal Class ◽  
Anterior Teeth ◽  
Nonsurgical Correction ◽  
Lower Arch

ABSTRACT Skeletal class III malocclusion treated with orthognathic surgery usually can achieve a better facial profile and stable occlusion outcome. We describe a 37-year-old patient who sought orthodontic treatment for skeletal class III, but refused recommendations for orthognathic surgery because of personal considerations. After careful analysis of the X-ray images and study models, this patient was subjected to active orthodontic treatment to correct malocclusion using upper and lower arch with improved superelastic NiTi alloy wire (ISW) for efficient leveling of the teeth. In the lower arch, the multibends edgewise archwire (MEAW) technique was used to tip back and intrude the canine and posterior teeth. After the completion of treatment, anterior teeth crossbite was successfully corrected and proper occlusal relationships were reestablished. How to cite this article Chang YC, Jian-Hong YU, Tsai YY, Chien-Chih Y, Pan PW. Nonsurgical Correction of Skeletal Class III Malocclusion by Multibends Edgewise Archwire Technique in an Adult. Int J Experiment Dent Sci 2015;4(2): 137-142.

Three-dimensional analysis of lip soft tissue changes and related jaw changes in patients with skeletal class III malocclusion and facial asymmetry

2021 ◽  
pp. 1-14
Author(s):  
Wenjie Xu ◽  
Hao Tan ◽  
Xuehuan Meng ◽  
Ye Ming ◽  
Tao Wang ◽  
...  
Keyword(s):  
Soft Tissue ◽  
Orthognathic Surgery ◽  
Three Dimensional ◽  
Facial Asymmetry ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class ◽  
Tissue Changes ◽  
Soft Tissue Changes ◽  
Jaw Surgery

OBJECTIVE: To investigate three-dimensional soft tissue changes of lips and related jaw changes in patients with skeletal class III malocclusion and facial asymmetry using cone-beam computerized tomography (CBCT). METHOD: This study included 46 CBCT scans of patients with aforementioned character before (T1) and 6–12 months after orthognathic surgery (T2). Subjects were divided into 2 groups according to two types of orthognathic surgery namely, the one-jaw surgery group who underwent bilateral sagittal splint ramus osteotomy (BSSRO) and the two-jaw surgery group who underwent Le Fort I osteotomy and BSSRO. Mimics 19.0 software are used for model reconstruction, landmark location and three-dimensional cephalometric analysis. Descriptive statistics and correlation analyses are used to investigate jaw hard tissue and lip soft tissue changes. RESULTS: In one-jaw group, the mandible shows changes in contour and position (p <  0.05), and the surgery causes changes of lip structure on the deviated side. While in two-jaw group, jaws only show changes in spatial position, and surgery changes contour of bilateral lips and nasolabial angle (p <  0.05). At the same time, lip symmetry increases significantly in both groups postoperatively. CONCLUSIONS: Orthognathic surgery can improve lip aesthetics in patients with skeletal class III malocclusion and facial asymmetry. However, changes induced by two surgical approaches are different. Surgeons should have a clear acquaintance with this difference to deal with different situations.

scholarly journals Camouflage treatment for skeletal Class III patient with facial asymmetry using customized bracket based on CAD/CAM virtual orthodontic system:

2019 ◽  
Vol 90 (4) ◽  
pp. 607-618
Author(s):  
Ha Na Sha ◽  
Sun Young Lim ◽  
Sun Mi Kwon ◽  
Jung-Yul Cha
Keyword(s):  
Computer Aided Design ◽  
Orthodontic Treatment ◽  
Facial Asymmetry ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class ◽  
Mandibular Asymmetry ◽  
Computer Aided ◽  
Cad Cam ◽  
Aided Design

ABSTRACT When considering camouflage orthodontic treatment for Class III malocclusion with skeletal facial asymmetry, it is crucial to preserve the favorable compensated posterior occlusion. Once the inclination of the compensated occlusion is changed during orthodontic treatment, unstable occlusion, such as crossbite or scissor bite may occur. A 23-year-old female patient had anterior spacing with Class III malocclusion and a mandibular asymmetry. A nonsurgical approach was adopted. The treatment objectives were to establish a Class I molar relationship with compensated inclination of the posterior dentition and to correct the midline deviation. To achieve these goals, the computer-aided design/computer-aided manufacturing (CAD/CAM) orthodontic system plus customized brackets was applied, and miniscrews were used to distalize the left mandibular dentition for midline correction. The results suggested that the CAD/CAM-based customized brackets can be efficiently used in camouflage treatment to achieve a correct final occlusion.

scholarly journals ISW for the Treatment of Facial Asymmetry Crossbite Case with Upper Right Lateral Incisor Missing

2012 ◽  
Vol 1 (2) ◽  
pp. 113-117
Author(s):  
Chia-bin SUN ◽  
Jian-hong YU
Keyword(s):  
Orthodontic Treatment ◽  
Medical Center ◽  
Treatment Plan ◽  
Facial Asymmetry ◽  
Functional Class ◽  
Lateral Incisor ◽  
Tini Alloy ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Skeletal Class

ABSTRACT Class III malocclusion with facial asymmetry is difficult to treat with orthodontic treatment without surgery. Skeletal class III malocclusion can be treated with surgery or orthodontic treatment by camouflage. Functional class III malocclusion can be treated perfectly by orthodontic treatment, using the intermaxillary elastics (IME) to correct the jaw relation. Differentially, diagnosing a class III case is important before deciding the treatment plan. We must understand the type of class III malocclusion and then we can make the best choice for the patient. This article reports the treatment of adult class III malocclusion by the improved superelastic TiNi alloy wire (ISW). Using the ISW crossbite arch, coil springs and IME, adequate overbite and overjet were achieved and better facial symmetry was also improved. How to cite this article SUN Cb, YU Jh. ISW for the Treatment of Facial Asymmetry Crossbite Case with Upper Right Lateral Incisor Missing. Int J Experiment Dent Sci 2012;1(2): 113-117. Source of support This work was supported by China Medical University and Medical Center, Taichung City, Taiwan (Grant number: CMU97-080 (2008) to JH YU).

scholarly journals Surgical-orthodontic treatment of Class III malocclusion with agenesis of lateral incisor and unerupted canine

2013 ◽  
Vol 18 (3) ◽  
pp. 94-100 ◽  
Author(s):  
Bruno Boaventura Vieira ◽  
Ana Carolina Meng Sanguino ◽  
Marilia Rodrigues Moreira ◽  
Elizabeth Norie Morizono ◽  
Mírian Aiko Nakane Matsumoto
Keyword(s):  
Orthodontic Treatment ◽  
Facial Asymmetry ◽  
Dental Arch ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Mandibular Growth ◽  
Skeletal Class ◽  
Impacted Canine ◽  
The Face ◽  
Prolonged Retention

INTRODUCTION: Orthodontic-surgical treatment was performed in patient with skeletal Class III malocclusion due to exceeding mandibular growth. Patient also presented upper and lower dental protrusion, overjet of -3.0 mm, overbite of -1.0 mm, congenital absence of tooth #22, teeth #13 and supernumerary impaction, tooth #12 with conoid shape and partly erupted in supraversion, prolonged retention of tooth #53, tendency to vertical growth of the face and facial asymmetry. The discrepancy on the upper arch was -2.0 mm and -5.0 mm on the lower arch. METHODS: The pre-surgical orthodontic treatment was performed with extractions of the teeth #35 and #45. On the upper arch, teeth #53, #12 and supernumerary were extracted to accomplish the traction of the impacted canine. The spaces of the lower extractions were closed with mesialization of posterior segment. After aligning and leveling the teeth, extractions spaces closure and correct positioning of teeth on the bone bases, the correct intercuspation of the dental arch, with molars and canines in Angle's Class I, coincident midline, normal overjet and overbite and ideal torques, were evaluated through study models. The patient was submitted to orthognathic surgery and then the post-surgical orthodontic treatment was finished. RESULTS: The Class III malocclusion was treated establishing occlusal and facial normal standards.

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