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[Facial asymmetries : how to avoid maxillary osteotomy using mini-screws and bite planes? A case series].
Orthod Fr
December 2024
92, boulevard de la Tour-Maubourg, 75007 Paris, France
Introduction: The cant of the occlusal plane in the frontal plane reflects facial asymmetry. Its treatment requires close collaboration between the orthodontist and the maxillofacial surgeon. In case of mild cant, treatment consists in coordination of dental arches followed by mandibular osteotomy.
View Article and Find Full Text PDF[Analysis of root development of maxillary inverted impacted central incisor before and after orthodontic traction by CBCT].
Shanghai Kou Qiang Yi Xue
October 2024
Hefei Stomatological Hospital, Anhui Medical University, School of Stomatology. Hefei 230601, Anhui Province, China. E-mail:
Purpose: To investigate the changes of root development before and after orthodontic traction of maxillary inverted impacted central incisors using CBCT and Mimics software.
Methods: Ten patients, who had a maxillary inverted impacted central incisor, were treated using a modified movable retractor combined with surgical eruption. Cone-beam computed tomography(CBCT) was taken before and after treatment.
Effect of high trimline aligners on distalizing mandibular molars: a three-dimensional finite element study.
Eur J Med Res
December 2024
Urumql DW Innovation InfoTech Co., Ltd., Xinjiang, China.
Objective: The primary focus of this investigation was to evaluate the biomechanical effects of high trimline design aligners on the distalization of mandibular molars, employing three-dimensional finite element analysis (3D-FEA). The study concentrated on aspects such as tooth movement, stress distribution, and anchorage control.
Methods: Utilizing Cone-beam computed tomography (CBCT) data, a detailed 3D geometrical model was constructed for finite element analysis.
Prediction of the success of orthodontic treatment of impacted maxillary canines using panoramic radiography parameters: a retrospective cross-sectional study.
BMC Oral Health
December 2024
Faculty of Dentistry, Department of Orthodontics, Ondokuz Mayıs University, Atakum, Samsun, 55139, Turkey.
Background: This retrospective study aimed to investigate the relationships between the radiographic features of impacted maxillary canines (IMCs) and traction duration and the factors affecting treatment success.
Methods: Pre-treatment panoramic radiographs and patient records of 121 consecutive patients with IMCs were analyzed. The measurements included the angle of the IMC with the midline (α-angle), the horizontal position of the IMC relative to the adjacent teeth (S-Sector), the distance from the IMC to the occlusal plane (d-distance), the apex position of the IMC (A), and the vertical height of the IMC relative to the adjacent lateral tooth (V).
Experimental Assessment of Traction Force and Associated Fetal Brain Deformation in Vacuum-Assisted Delivery.
Ann Biomed Eng
December 2024
Biomedical Engineering and Health Systems, KTH Royal Institute of Technology, Stockholm, Sweden.
Vacuum-assisted delivery (VAD) uses a vacuum cup on the fetal scalp to apply traction during uterine contractions, assisting complicated vaginal deliveries. Despite its widespread use, VAD presents a higher risk of neonatal morbidity compared to natural vaginal delivery and biomechanical evidence for safe VAD traction forces is still limited. The aim of this study is to develop and assess the feasibility of an experimental VAD testing setup, and investigate the impact of traction forces on fetal brain deformation.
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