Tip efficiency of a customized lingual appliance: Performance of wires with two different ligatures.

Tip control in lingual orthodontics may be challenging because of the presence of a vertical slot and the particular configuration of the customized appliances. The aim of this in vitro experimental study was to investigate the role of the ligature-wire-slot system in achieving better tip control. A set of customized lingual brackets was obtained for a dedicated typodont made of extracted human teeth.

Accuracy of orthodontic movements with 3D printed aligners: A prospective observational pilot study.

Objective: Owing to the availability of 3D software, scanners, and printers, clinicians are encouraged to produce in-office aligners. Recently, a new directprinting resin (Tera Harz TC-85DAC) has been introduced. Studies on its mechanical characteristics and biological effects have been published; however, evidence on its efficacy in orthodontic treatment remains scarce.

Effects of Removable Functional Appliances on the Dentoalveolar Unit in Growing Patients.

The objective of this retrospective controlled study is to compare class II growing patients who underwent treatment with two different functional appliances: the Fraenkel regulator (FR-2), utilized as the control group, and the elastodontic device "Cranium Occluded Postural Multifunctional Harmonizers" (AMCOP), utilized as the test group. The study sample consisted of 52 patients with class II division I malocclusion (30 males, 22 females, mean age 8.6 ± 1.

Evaluation of the Co-Go-Me angle as a predictor in Class II patients treated with Herbst appliance and skeletal anchorage: a retrospective cohort study.

Introduction: A condylion-gonion-menton (Co-Go-Me) angle threshold of 125.5° has been introduced as a predictive parameter of cephalometric mandibular response in the orthopedic treatment of growing Class II patients with functional appliances, despite some contradictions in the literature. Considering the lack of studies evaluating the role of skeletal anchorage, this study aims to reassess the threshold of 125.

Three-dimensional analysis of miniscrew position changes during bone-borne expansion in young and late adolescent patients.

Introduction: Maxillary expansion in patients at the end of their growth relies on the possibility to use miniscrew supported expanders to apply expansion forces directly to the midpalatal suture. Although miniscrews provide a stable anchorage unit, several studies have reported that they do not remain in exactly the same position during treatment. The aim of the present study was to analyze miniscrew position changes after the expansion using bone-borne appliances in late adolescent patients.

Implant rehabilitation of the esthetic area: A five-year retrospective study comparing conventional and fully guided surgery.

Introduction: To compare the clinical outcomes of anterior single maxillary implants placed using conventional or guided implant surgery.

Methods: In this retrospective clinical study 44 patients rehabilitated with a single anterior implant in the maxillary arch were included. Twenty-four implants were inserted applying a guided surgery approach (GS), and 20 applying a conventional freehand approach (CS).

Does the planned miniscrew position reflect the achieved one? A clinical study on the reliability of guided miniscrew insertion using lateral cephalogram and maxillary stereolithography file for planning.

Introduction: The anterior area of the palate is widely used as an insertion site for orthodontic miniscrews. These temporary anchorage devices can be placed either directly or using an insertion guide, and various kinds of digital planning and guides are currently available. This study aimed to verify if the guided procedure can guarantee the correct position of the miniscrews on the patient compared with the digital project.

Pulp chamber temperature changes and enamel surface analysis during orthodontic composite removal using 3 different burs in a repeatable approach: an experimental study.

Background: During the debonding phase every clinician has to take care of preserving the enamel structure and tooth temperature. The objective of this study was to analyze in vitro the increase of the pulp chamber temperature and the wearing of enamel surface, during adhesive removal after debonding.

Methods: Sixty extracted human teeth were selected.

Evaluation of palatal bone depth, cortical bone, and mucosa thickness for optimal orthodontic miniscrew placement performed according to the third palatal ruga clinical reference.

Objectives: This retrospective CBCT study aimed to evaluate the palatal anatomical characteristics using the third palatal ruga as a reliable clinical reference for miniscrew placement.

Methods: Thirty-six subjects (mean age17.1 y.

Success rate of surface-treated and non-treated orthodontic miniscrews as anchorage reinforcement in the lower arch for the Herbst appliance: A single-centre, randomised split-mouth clinical trial.

Background: Surface treatment of miniscrews was implemented to determine whether its application increased bone-to-surface contact and enhanced the interlock between the device and the surrounding bone.

Objectives: To compare the success rate of surface-treated and non-treated orthodontic miniscrews used as reinforcement of anchorage during treatment with the Herbst appliance.

Trial Design: Split-mouth design with an allocation ratio of 1:1.

Accuracy of direct insertion of TADs in the anterior palate with respect to a 3D-assisted digital insertion virtual planning.

Background: Direct and 3D-assisted methods are an available alternative when inserting temporary anchorage devices (TADs) in the anterior palate for orthodontic anchorage. This study aimed to evaluate the differences between a planned insertion versus a direct method on digital models.

Settings And Sample Population: Seventy TADs were inserted by the direct insertion method in 35 patients who needed palatal TADs for orthodontic anchorage.

Skeletal and dental changes after maxillary expansion with a bone-borne appliance in young and late adolescent patients.

Introduction: Rapid palatal expansion is a common therapy during orthodontic treatment and could be a preliminary step for correcting different malocclusions; furthermore, this treatment could be necessary at any age. Different anchorage approaches have been proposed to obtain an effective skeletal result, although every device produces both dental and skeletal effects. This study aimed to compare the dentoskeletal effects of a bone-borne palatal expander considering 2 groups of patients of different ages.

Three dimensional movement analysis of maxillary impacted canine using TADs: a pilot study.

Background: The aim of the present study was to compare two different anchorage systems efficiency to disinclude impacted maxillary canines using as evaluation tool superimposed Cone Beam Computed Tomography (CBCTs).

Methods: The study has been conducted with two parallel groups with an allocation ratio of 1:1. Group test received treatment using as anchorage a miniscrew, control group was treated using an anchorage unit a trans palatal arch (TPA).

Maximum insertion torque loss after miniscrew placement in orthodontic patients: A randomized controlled trial.

Objectives: To compare torque recordings of immediately loaded orthodontic miniscrews between insertion time and different post-placement timepoints (2 weeks, 4 weeks and removal time, respectively).

Setting And Sample Population: Parallel trial with an allocation ratio of 1:1. Eligibility criteria were needs of fixed orthodontic treatment, no systemic disease and absence of using drugs altering bone metabolism.

Long-term dentoskeletal changes of class II growing patients' treatment with the propulseur universal light appliance. A prospective controlled study.

Background: Class II is one of the most common malocclusions. The prevailing aspect in Class II patients is a mandibular deficiency. Various removable and fixed functional therapies are used in order to enhance the mandibular growth or position.

Torque efficiency of a customized lingual appliance : Performance of wires with three different ligature systems.

Purpose: Torque control in lingual orthodontics is key to obtain optimal esthetic results. The aim of this in vitro experimental study was to verify the efficiency of the ligature-archwire-slot system in torque control using a customized lingual appliance.

Methods: An idealized cast with eight extracted human teeth was created and a set of customized lingual brackets was obtained.

Non-extraction and multiloop edgewise technique versus orthognathic surgery and fixed appliance in adult class II patients: a cephalometric comparative study.

Background: An alternative approach to surgery for treating class II adult borderline patients is the non-extraction and multiloop edgewise archwire (MEAW) technique. The aim of the present study is to compare dentoskeletal effects of the orthognathic surgery with the MEAW technique.

Methods: Thirteen adults (ten women, three men; mean age, 27.

On the stability efficiency of anchorage self-tapping screws: Ex vivo experiments on miniscrew implants used in orthodontics.

Background: The clinical success of orthodontic miniscrews is strictly related to primary stability, which depends on bone viscoelastic properties too. In this study, we evaluated the short time mechanical response of native bone to miniscrews, by a laboratory test based on dynamic loading.

Methods: Thirty-six segments of porcine ribs were first scanned by cone-beam computerized tomography to obtain insertion-site cortical thickness, cortical and marrow bone density.

Pharmacokinetics of Transdermal Etofenamate and Diclofenac in Healthy Volunteers.

Little is known about the course of the plasma concentration and the bioavailability of non-steroidal anti-inflammatory drugs (NSAIDs) contained in dermal patches. We compared an etofenamate prototype patch (patent EP 1833471) and a commercially available diclofenac epolamine patch regarding the bioavailability of the active ingredients relative to respective i.m.

Immediately Loaded Implants in Rehabilitation of the Maxilla: A Two-Year Randomized Clinical Trial of Guided Surgery versus Standard Procedure.

Background: Implant-simulation software can now be used to improve treatment planning, guide surgery, and ensure more accurate implant placement.

Purpose: The aim of this study was to evaluate the outcome of a guided surgery protocol versus a conventional protocol.

Materials And Methods: Twenty-six patients were randomly assigned to Guided Surgery or Conventional Surgery.

Torque Loss After Miniscrew Placement: An In-Vitro Study Followed by a Clinical Trial.

To evaluate torque loss a week after insertion, both in an in vivo and an in vitro experimental setup were designed. In the in vivo setup a total of 29 miniscrews were placed in 20 patients who underwent orthodontic treatment. Maximum insertion torque (MIT) was evaluated at insertion time (T1).

Patients' expectations assessment in orthodontic treatment: findings from a questionnaire survey.

Background: The aim of this study was to analyze the psychological aspects of patients during their orthodontic treatment, evaluating their expectations during treatment comparing Greek patients to Italian patients.

Methods: This cross sectional descriptive study involved a sample of 228 patients (113 Italians -115 Greeks) undergoing fixed or removable orthodontic treatment. A questionnaire comprising of six questions was used and patients scored each question on a 0-10 Scale.

Immediate versus delayed loading: comparison of primary stability loss after miniscrew placement in orthodontic patients-a single-centre blinded randomized clinical trial.

Introduction: The aim of this randomized clinical trial was to compare torque recordings at insertion time and 1 week post-placement between immediately loaded orthodontic miniscrews and an unloaded control group.

Trial Design: This RCT was designed as parallel with an allocation ratio of 1:1.

Methods: Eligibility criteria to enroll patients were: needs of fixed orthodontic treatment, no systemic disease, absence of using drugs altering bone metabolism.