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Evaluation of planned and achieved root angulation changes in teeth adjacent to mandibular premolar extraction sites in patients treated with Invisalign: A retrospective study.
Am J Orthod Dentofacial Orthop
March 2025
Orthodontic Unit, Adelaide Dental School, The University of Adelaide, Adelaide, South Australia, Australia. Electronic address:
Introduction: This study aimed to determine the efficacy of Invisalign (Align Technology, Santa Clara, Calif) in achieving planned root angulation of molars, premolars, and canines adjacent to mandibular premolar extraction sites.
Methods: Digital models of adult patients treated with Invisalign aligners and extraction of at least 1 mandibular first (L4) or second (L5) premolar between 2013 and 2019 were evaluated after import into the Geomagic Control X (3D Systems, Rock Hill, SC) metrology platform.
Results: Thirty-one patients, comprising 30 L4 and 25 L5 extractions, were assessed.
Protocol for the Invisalign palatal expander.
J Clin Orthod
December 2024
Private Practice of Orthodontics in Pinceton, NJ.
Three-dimensional comparative analysis of upper central incisors external apical root resorption/ incisive canal changes in first premolar extraction cases: clear aligners Versus passive self-ligating fixed braces.
Clin Oral Investig
February 2025
State Key Laboratory of Oral Diseases and National Clinical Research Centre for Oral Diseases and Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No.14, Section 3, Ren Min South Road, Chengdu, 610041, China.
Objective: To assess the upper central incisor's (U1) external apical root resorption (EARR) and incisive canal (IC) changes and their influencing factors under clear aligners and passive self-ligating fixed braces in first premolar extraction cases using CBCT.
Materials And Methods: This retrospective study included 60 participants (120 teeth) with similar baseline characteristics based on the American Board of Orthodontics discrepancy index scores. Participants were divided into clear aligner (CA) and passive self-ligating fixed appliance (FA) groups, with 30 participants per group.
Comparative Effects of Facemask Therapy and Anteroposterior TransForce Appliance in Unilateral Cleft Lip and Palate (UCLP) Patients With Developing Class III Malocclusion: A Single-Center Prospective Randomized Clinical Trial.
Spec Care Dentist
February 2025
Smile Train Centre, Sant Paramanand Hospital, Delhi, India.
Objective: To comparatively evaluate the effects of Sagittal TransForce appliance and Tooth borne Facemask appliance in Unilateral Cleft Lip and Palate patients.
Setting: Single-center prospective randomized clinical trial conducted in a hospital setting.
Sample Population: Patients from the age group of 7-12 years with a repaired complete Unilateral Cleft Lip and Palate (UCLP) and GOSLON score of 3 requiring maxillary protraction and preparation for secondary alveolar bone grafting were selected for the study.
Biocompatibility of variable thicknesses of a novel directly printed aligner in orthodontics.
Sci Rep
January 2025
Department of Orthodontics and Dentofacial Orthopedics, University Medical Center of the Johannes Gutenberg-University Mainz, Augustusplatz 2, 55131, Mainz, Germany.
Direct printed aligners (DPAs) offer benefits like the ability to vary layer thickness within a single DPA and to 3D print custom-made removable orthodontic appliances. The biocompatibility of appliances made from Tera Harz TA-28 (Graphy Inc., Seoul, South Korea) depends on strict adherence to a standardized production and post-production protocol, including UV curing.
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