Clinical trials: Angle Class I
Maxillary Retrognathism, Children
Treatment of Mandibular Overjet in Children With Maxillary Retrognathism
The project involves a 10-year prospective longitudinal cohort multicentre study where orthodontic treatment and treatment effect is followed in children with Cl III due to maxillary retrognathia who undergo standardized…
- Conditions
- Maxillary Retrognathism, Children, Treatment, Class III Malocclusion
- Trial name
- NCT07706400
- Testing
- Interceptive treatment
- Where
- 3 sites in Denmark, Sweden
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Malmö University
Class I Malocclusion, Class II Div 1 Malocclusion
Assesment of Ethnic Bias in an Artificial Intelligence Based Orthodontic Diagnosis System
This study explores how artificial intelligence (AI) can be used in orthodontics, which is the area of dentistry that focuses on correcting jaw and bite problems.
- Conditions
- Class I Malocclusion, Class II Div 1 Malocclusion, Class II Division 2 Malocclusion, Class III Malocclusion
- Trial name
- NCT07162753
- Where
- Turkey (Türkiye)
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Angle Class I Malocclusion, Dental Crowding
Clinical Performance of Direct-Printed Versus Thermoformed Aligners
The goal of this study is to evaluate and compare the clinical effectiveness of in-office directly 3D-printed clear aligners versus conventional multilayered thermoformed aligners.
- Conditions
- Angle Class I Malocclusion, Dental Crowding, Tooth Spacing
- Trial name
- NCT07637227
- Testing
- Direct-Printed Aligner, Thermoformed aligner
- Where
- 3 sites in Iraq
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Class III Malocclusion, Facemask
Evaluation of Treatment Outcomes of Interceptive Orthodontic Intervention for Class Iii Malocclusion Using Inclined Plane Appliance Combined With Variable Bracket Placement
Study Title: Evaluation of Treatment Outcomes of Interceptive Orthodontic Intervention for Class III Malocclusion Using Inclined Plane Appliance Combined With Variable Bracket Placement Objective: To evaluate the clinical and…
- Conditions
- Class III Malocclusion, Facemask, Inclined Plane Appliance
- Trial name
- NCT07581990
- Testing
- Inclined Plane Appliance Combined With Variable Bracket Placement
- Where
- Vietnam
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Can Tho University of Medicine and Pharmacy
Class III Malocclusion, Underbite
Effects of Class III Elastics on Stability of Orthopaedic Class III Correction
The purpose of this study is to evaluate the effects of adding elastics to orthodontic retainers on the stability of class III correction and whether it reduces the need for jaw surgery.
- Trial name
- NCT04911400
- Testing
- Upper-lower clear plastic retainers + Class III elastics, Upper-lower clear plastic retainers
- Where
- 2 sites in Australia
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Sydney Local Health District
CLASS II DIVISION 1 MALOCCLUSION
EVALUATION OF TREATMENT CHANGES IN CLASS II DIVISION 1 MALOCCLUSION DURING EN MASSE RETRACTION OF UPPER ANTERIOR TEETH USING MINI IMPLANTS PLACED AT INFRAZYGOMATIC CREST AND INTERRADICULAR SITES A RANDOMIZED CLINICAL TRIAL.
Rationale: Class II Division 1 malocclusion is characterized by upper anterior teeth protrusion resulting in upper lip protrusion and convex facial profile, which are considered esthetically unfavorable.
- Trial name
- NCT07405905
- Testing
- retraction of anterior teeth using mini implants placed at infrazygomatic crest., retraction of anterior teeth using mini implants placed at interradicular sites.
- Where
- India
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Malocclusion, Angle Class I
Micro-Osteoperforations to Accelerate Maxillary Canine Retraction in Class I Malocclusion
This single-blinded, split-mouth randomized controlled trial investigates whether micro-osteoperforations (MOPs) can accelerate maxillary canine retraction in orthodontic patients requiring bilateral premolar extraction.
- Trial name
- MOPs (NCT07155018)
- Testing
- Micro-osteoperforations (MOPs), Conventional Canine Retraction
- Where
- Vietnam
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Can Tho University of Medicine and Pharmacy
Surgical Complication, Paresthesia
Trial of Bilateral Sagittal Split Osteotomy Induced Paresthesia Using Ultrasonic vs. Reciprocating Saw Instrumentation
The aim of this prospective study is to analyze the postoperative paresthesias experienced in patients who undergo bilateral sagittal split osteotomies (BSSO) using an ultrasonic saw, versus a reciprocating saw.
- Conditions
- Surgical Complication, Paresthesia, Fracture, Nerve Injury
- Trial name
- NCT05205616
- Testing
- Sonopet ultrasonic saw, Reciprocating saw
- Where
- 2 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Malocclusion, Angle Class I
A Comparison Between GUMMETAL and SS Orthodontic Wires in Space Closure
When there is space present between our teeth orthodontically we have the ability to close them through many methods. Using braces as our treatment modality this study will be investigating how efficient a new orthodontic wire is…
- Trial name
- NCT04591080
- Testing
- GUMMETAL Orthodontic Wire, Stainless Steel (CrNi)
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Malocclusion, Angle Class II, Malocclusion, Angle Class III
Facial Aesthetic Analysis Model Based on Clinical Cohort Phenotype to Explore 45° Facial Profile.
Facial aesthetics has always been a complex and subjective concept. The overall facial harmony, along with lip protrusion, which is often a focus for orthodontists, requires evaluation from multiple perspectives.
- Trial name
- NCT06984666
- Testing
- language
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Linyu Xu
Control Patients, Class III Malocclusion
Effect of Face Mask Therapy on Blood Oxygen Levels
Skeletal Class III malocclusions are characterized by maxillary retrusion, mandibular protrusion, or a combination of both. In growing individuals presenting with maxillary deficiency, the face mask appliance is widely recognized…
- Trial name
- NCT06939179
- Testing
- Class III Malocclusion
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Biruni University
Angle Class I, Alveolar Bone Loss
Friction or Frictionless: What is the Most Effective Method for Retracting Anterior Teeth?
Objective:To evaluate the effectiveness of the friction (sliding mechanism with elastomeric chains) and frictionless (T-loop) methods for retracting anterior teeth in Angle Class I malocclusion.
- Trial name
- Lam Le Nguyên (NCT06928896)
- Testing
- This interventional trial enrolled a total of 42 patients, dividing them into two age groups: group 1. Using the friction and group 2. Using the frictionless
- Where
- Vietnam
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Can Tho University of Medicine and Pharmacy
Angle Class 2 Malocclusion
Carriere Motion Appliance* Versus In-office Sectional Appliance
The "sagittal first" approach to Class II correction in orthodontic treatment involves correcting the antero-posterior (AP) relationship of the maxillary and mandibular dentition prior to the leveling and aligning phase of…
- Trial name
- CMA (NCT05204654)
- Testing
- In-office fabricated appliance, Carriere Motion Appliance
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Class III Malocclusion, Maxillary Deficiency
Evaluation of Pain and Functional Impairments When Treating Class III Malocclusion Using Two Treatment Procedures
A clinical examination of each recalled candidate patient will be carried out at Adib Al Lahham Centre at the Ministry of Health Damascus to ensure that he/she meets the inclusion criteria.
- Trial name
- NCT06877780
- Testing
- RMR with SME, BAIMT with RME
- Where
- Syria
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Damascus University
Malocclusions, Malocclusion, Angle Class I
Microanalysis of Changes in 3D Geometry of Orthodontic Mini-implants
The orthodontic mini-implants used in the study are temporary screws inserted into the bone to provide anchorage for challenging tooth movements that could not be carried out using the patient's own teeth.
- Conditions
- Malocclusions, Malocclusion, Angle Class I, Malocclusion, Angle Class II
- Trial name
- NCT06743360
- Testing
- Insertion, Scanning
- Where
- 2 sites in Poland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Pomeranian Medical University Szczecin
Malocclusion, Angle Class III
Evaluation of Surgical Outcomes of Patients Treated With the Surgery First Approach and Aligners
The purpose of this prospective study is to compare treatment outcomes and the quality of life of skeletal Class III patients treated with conventional fixed appliances and aligners undergoing Surgery-first approach.
- Trial name
- NCT05822271
- Testing
- Orthognathic Surgery
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Rio de Janeiro State University
Malocclusion, Angle Class III
Periodontal Ligament Stress Level and Tooth Movement
Orthodontic treatment requires application of force systems to individual teeth or groups of teeth, which results in a cellular response with periodontal ligament (PDL) and alveolar bone remodeling.
- Trial name
- NCT00099814
- Testing
- Two different loop designs which deliver distinctive forces
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Overjet, Class II Division 1 Malocclusion
Mandibular Advancement Planning Based on Clinical Overjet
This Prospective study aims to simulate the maximum mandibular advancement in class II patients treated by Herbst MTH Appliance on the base on clinical overjet.
- Trial name
- NCT06653075
- Testing
- mandibular advancement with acrylic splint Herbst Appliance
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- IRCCS Ospedale San Raffaele
Class I Malocclusion
Assessment of Treatment Efficacy Using Smile Arc Marginal Ridge Approach Versus MBT Chart Method for Bracket Positioning
The goal of this randomized clinical trial is to evaluate the effect of Smile Arc Marginal Ridge Approach (SAMRA) versus MBT chart method for bracket positioning on orthodontic treatment results.
- Trial name
- NCT06652230
- Testing
- Smile Arc Marginal Ridge Approach (SAMRA), MBT Chart Method
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Malocclusion, Angle Class I
The Efficacy of Lingual Aligners in Adults.
The goal of this clinical trial is to test the effectiveness of lingual aligners in adults. The main question to answer is: Are lingual aligners effective in achieving desired and predicted tooth movements?
- Trial name
- NCT06050655
- Testing
- Lingual aligners
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Geneva