A family with Angle's Class ii malocclusion was identified in West China Stomatological Hospital of Sichuan University. The proband was a 22-year-old woman with Angle's Class II Division 2 malocclusion with congenitally missing teeth. A total of 15 members of the 3 generations in the family were investigated. There were 7 members (3 males, 4 females) with Angle's Class II malocclusion in the family. The results provide the primary basis for further study to localize the virulence gene.
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BMC Oral Health
January 2025
School of Dentistry, Complutense University of Madrid, Madrid, 28040, Spain.
Background: Orthodontic-orthognathic treatment is the standard of care for moderate and/or severe skeletal class III (SCIII) malocclusion. Following orthognathic surgery, morphological changes in the temporomandibular joint structures (TMJ) may contribute to condylar resorption (CR).
Objectives: This systematic review aimed to identify the morphological signs of condylar resorption (changes in the condylar head, position, neck, disk, and joint space) following orthognathic surgery in patients with SCIII compared with those with skeletal class II (SCII) malocclusion.
Biomed Eng Online
January 2025
College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou, 310023, China.
Objective: This study presents a novel digital interproximal enamel reduction (IER) clinical procedure, aiming to improve the effectiveness of IER processes in orthodontic treatment.
Methods: A malocclusion case of skeletal-class I and angle-class I was selected for the experimental investigation. A three-dimensional (3D) model of the dentition was constructed using scanning data from a plaster model.
J Orthod
January 2025
Private Practice, Jerusalem, Israel.
In recent years, a segmental approach to Class II correction has gained popularity among orthodontists. This concept is best represented by the Carrière Motion 3D™ Class II Appliance (CMA), which is an efficient and effective appliance for the treatment of Class II malocclusions. Although it is original and innovative, it also has some inherent flaws that can potentially interfere with its daily use.
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December 2024
Department of Orthodontics, Kothiwal Dental College and Research Centre, Moradabad, IND.
Introduction The role of the condylar position in the correct functioning of the stomatognathic system has been the center of the study. Using cone-beam computed tomography (CBCT), this study looked at the three-dimensional (3D) position of the condylar bone in patients from Class I, Class II, Division 1, and Division 2. Materials and methods This cross-sectional, retrospective study was conducted using 102 CBCT records, with 34 records allocated to each category of malocclusion classification, such as dentoskeletal Class I, skeletal Class II, and dental Class II, Division 1 and 2.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Orthodontics, Faculty of Dentistry, University of Damascus, Damascus, Syria.
Twin block appliances are commonly used to treat skeletal class II malocclusion. However, many adverse effects, such as lower incisor protrusion and a bulky nature, can be observed. To overcome these effects, a modified twin block was designed, which uses vacuum-formed hard plates (VFPs) instead of acrylic plates.
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