Torque expression capacity of 0.018 and 0.022 bracket slots by changing archwire material and cross section

Prog Orthod. 2014 Sep 25;15(1):53. doi: 10.1186/s40510-014-0053-x. ABSTRACT BACKGROUND: The aim of this study is to calculate and compare the play and torque expression of 0.018 and 0.022 bracket slots when engaged with archwires of different size, cross section and material. METHODS: Eight orthodontic brackets, two of slot height 0.018 and six of slot height…

Temporomandibular Joint Disorders in Patients With Different Facial Morphology. A Systematic Review of the Literature

J Oral Maxillofac Surg. 2016 Jan;74(1):29-46. doi: 10.1016/j.joms.2015.07.006. Epub 2015 Jul 18. ABSTRACT PURPOSE: The present article aimed to review systematically the literature on the relation between facial skeletal structures and temporomandibular joint (TMJ) disorders. MATERIALS AND METHODS: A systematic search in the dental and medical literature was performed to identify all studies of humans…

Three-dimensional assessment of teeth first-, second- and third-order position in Caucasian and African subjects with ideal occlusion

Prog Orthod. 2015;16:11. doi: 10.1186/s40510-015-0086-9. Epub 2015 May 26. ABSTRACT BACKGROUND: The aim of this study was to provide an updated version of Andrews’ seminal study by exploiting 3D software to analyse the tip, torque and in-out values of two groups of different racial and ethnic background. METHODS: The analysis was conducted on one Caucasian…

SEM-Evaluation of enamel surfaces after orthodontic debonding: a 6 and 12-month follow-up in vivo study

Scanning. 2015 Sep-Oct;37(5):322-6. doi: 10.1002/sca.21215. Epub 2015 Apr 23. ABSTRACT The purpose of this in vivo study was to compare the morphology of the enamel surfaces before bracket bonding and 6 and 12 months after debonding. Replicas of thirty-two maxillary second premolars of 16 volunteers were made before bracket bonding (T0), after debonding (T1), 6…

Determining shapes and dimensions of dental arches for the use of straight-wire arches in lingual technique

Dental Press J Orthod. 2014 Sep-Oct;19(5):116-22. doi: 10.1590/2176-9451.19.5.116-122.oar. ABSTRACT INTRODUCTION: This study aims to determine the shape and dimension of dental arches from a lingual perspective, and determine shape and size of a straight archwire used for lingual Orthodontics. METHODS: The study sample comprised 70 Caucasian Brazilian individuals with normal occlusion and at least four…

Optimal parameters for final position of teeth in space closure in case of a missing upper lateral incisor

Prog Orthod. 2014 Nov 27;15(1):63. doi: 10.1186/s40510-014-0063-8. ABSTRACT BACKGROUND: The aim of this study was to provide clinical indications for the correct management of appliances in space closure treatment of patients with agenesis of the upper lateral incisors. METHODS: Virtual setup for space closure was performed in 30 patients with upper lateral incisor agenesis. Tip,…

Preliminary biometric analysis of mesiodistal tooth dimensions in subjects with normal occlusion

Am J Orthod Dentofacial Orthop. 2016 Jul;150(1):105-15. doi: 10.1016/j.ajodo.2015.12.021. ABSTRACT INTRODUCTION: The aims of this study were to confirm the efficacy of the Bolton index in a group of natural Class I white Italian patients with complete dentition, minimal crowding, and no previous orthodontic treatment, and to evaluate the mesiodistal tooth dimensions with multivariate cluster…

Stress relaxation properties of four orthodontic aligner materials: A 24-hour in vitro study

Angle Orthod. 2017 Jan;87(1):11-18. doi: 10.2319/113015-813.1. Epub 2016 Jun 17. ABSTRACT OBJECTIVE: To investigate the stress release properties of four thermoplastic materials used to make orthodontic aligners when subjected to 24 consecutive hours of deflection. MATERIALS AND METHODS: Four types of aligner materials (two single and two double layered) were selected. After initial yield strength…

Quantitative cone-beam computed tomography evaluation of premaxilla and symphysis in Class I and Class III malocclusions

Int Orthod. 2016 Jun;14(2):143-60. doi: 10.1016/j.ortho.2016.03.014. Epub 2016 Apr 16. ABSTRACT AIMS: In order to compare the premaxilla and symphysis in Class I and Class III individuals, we measured the following parameters on CBCT scans: incisor inclination, symphyseal morphology, upper alveolar process morphology, symphyseal and maxillary leeway space, as well as anterior and posterior maxillary…