The extraction of a lower incisor can lead to satisfactory orthodontic results for patients with moderate to severe lower incisor crowding. Invisalign(®) is a treatment modality for such treatments, moving teeth with precision and reducing inconvenience for the patient. Three case reports are presented in this article supporting the above statements.
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Effect of 850 nm LED irradiation on the alignment of crowded mandibular anterior teeth: a randomized controlled clinical trial.
Clin Oral Investig
December 2024
Department of Orthodontics, Faculty of Dentistry, Kurdistan University of Medical Sciences, Sanandaj, Iran.
Introduction: This study aims to determine if intraoral 850 nm LED irradiation could reduce the duration of lower anterior crowding alignment.
Methods: In a parallel-designed, randomized controlled clinical trial 60 patients with 2 to 6 mm of lower incisor crowding who need non-extraction treatment, were randomly assigned to the intervention and control groups by block randomization (36 females, 24 males, mean age: 19.93 ± 3.
[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.
Application of a 3D Fusion Model to Evaluate the Efficacy of Clear Aligner Therapy in Malocclusion Patients: A Prospective Observational Study.
J Med Internet Res
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Kunming Medical University Affiliated Stomatological Hospital & Yunnan Key Laboratory of Stomatology, Department of Orthodontics, Kunming Medical University, C Building, Hecheng International1088 Haiyuan Middle Road, Kunming, CN.
Background: Investigating the safe range of orthodontic tooth movement is essential for maintaining oral and maxillofacial stability post-treatment. Although clear aligners rely on pre-treatment digital models, their effect on periodontal hard tissues remains uncertain. By integrating CBCT-derived cervical and root data with crown data from digital intraoral scans, a three-dimensional (3D) fusion model may enhance precision and safety.
View Article and Find Full Text PDFRotations of teeth-a systematic review.
Front Oral Health
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Sri Ramachandra Medical College and Research Institute, Sri Ramachandra Institute of Higher Education and Research, Chennai, India.
Background: Rotations are frequently evaluated through various assessment methods of crowding and arch dimension, with relatively few studies discussing the extent or direction of rotations and even fewer addressing the reliability of such assessments. This systematic review aims to comprehensively analyze existing classification systems for rotated teeth and assess rotation in anterior and posterior teeth, its clinical applicability, and its impact on retention and relapse.
Search Methods: Two investigators conducted a comprehensive search in six databases, namely, PubMed, Scopus, Ovid, LILACS, Web of Science, and Cochrane CENTRAL, up to 28 March 2024.
Patient-Reported Outcomes of Orthodontic Treatment for Mild Crowding With Modified Aligner Appliance With Nickel-Titanium Springs: A Prospective Cohort Study.
Cureus
December 2024
Department of Orthodontics, School of Dental Sciences, University Sains Malaysia, Kelantan, MYS.
Background and objectives A modified aligner appliance with nickel-titanium springs (MAA) is a relatively new appliance that has not received extensive attention in orthodontics. This study evaluated the patient-reported outcomes when orthodontic treatment was provided using a modified aligner appliance to treat mild lower incisor crowding. Materials and methods This prospective cohort study consisted of 42 patients (11 males and 31 females; mean age 21.
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