Clinical trials: Class III Malocclusion
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
Skeletal Class III Malocclusion
Evaluation of Treatment Outcomes With Palatal Plate Versus Conventional Tooth Borne Anchorage in Class III Patients
evaluation of treatment outcomes with palatal plate versus conventional tooth borne anchorage in class III patients
- Trial name
- NCT07360509
- Testing
- treatment of skeletal class III by maxillary advancement using transpalatal arch and face mask, treatment of skeletal class III by maxillary advancement using palatal plate and face mask
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Faculty of Dental Medicine for Girls
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
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
Orthodontic Appliance
Occlusal Bite Force Changes After Surgical Correction of the Increased Vertical Dimension
The aim of this study was to record the OBF changes after surgical correction of mandibular prognathism in patients with or without increased vertical skeletal dimensions at different time intervals (T0: before surgery; T1: at…
- Trial name
- NCT04376645
- Testing
- Mandibular Setback with maxillary impaction, Mandibular setback only
- Where
- Jordan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Malocclusion, Angle Class III
Evaluation of Different Anchorage-supported Appliances and Expansion Procedures for Face Mask Treatment
The purpose of this study is to assess and compare the effect of two appliances (Hybrid-Hyrax expander/ Bonded rapid maxillary expander (RME)) supported by different anchorage units and two different expansion procedures (routine…
- Trial name
- NCT06244563
- Testing
- Face mask with Hybrid-Hyrax, Face mask with Bonded RME, Alternative Rapid Maxillary Expansion and Contraction Protocol (Alt-RAMEC)
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Gaziantep
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 Malocclusion, Class III Malocclusion
Study of the Relationship Between Blood Groups,RH and Skeletal Malocclusion : a Cross Sectional Study
the study is searching if there is a relationship between the blood groups and RH and the skeletal malocclusion using the skeletal class I as a control group
- Trial name
- NCT03085082
- Testing
- blood type test
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dentofacial Deformities
Correlation Between Dental Inclination and Bone Thickness in Patients With Class III Dentofacial Deformities
The correlation between tooth inclination and bone thickness and the comparison between thickness measurements and buccolingual inclination before and after dental decompensation will be evaluated through tridimensional images in…
- Trial name
- NCT02491619
- Testing
- orthodontic decompensation
- Where
- Brazil
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Michelle Sendyk
Palatal Expansion Technique, Cleft Lip and Palate
MARPE in Patients With Cleft Lip and Palate
The objective of this randomized controlled study will be to evaluate the dental and skeletal effects of maxillary protraction with a facemask, associated with MARPE and Class III elastics in patients with unilateral cleft lip…
- Conditions
- Palatal Expansion Technique, Cleft Lip and Palate, Class III Malocclusion, Skeletal Malocclusion
- Trial name
- NCT04354116
- Testing
- Rapid maxillary expansion, Maxillary Protraction
- Where
- Brazil
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Pontifícia Universidade Católica de Minas Gerais
Class III Malocclusion
Success Rate of the Miniscrews in the Mandibular Buccal Shelf
Stability of the orthodontic miniscrews placed in the mandible is still considered to bare higher risk of failure compared to other intraoral locations.
- Trial name
- NCT05280678
- Testing
- Orthodontic miniscrew insertion in the mandibular buccal shelf
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Mandibular Prognathism
Patient Satisfaction Vertical Ramus Osteotomy Patient Specificosteosynthesis Fixation Versus MMFmandibular Prognanthism
Two groups with mandibular prognanthism indicated for mandibular setback by intraoral vertical ramus osteotomy . first group will fixed with maxillomandibular fixation and the second group will fixed by customized plate
- Trial name
- NCT03855072
- Testing
- customized fixation plate, maxillomandibular fixation
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo 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
Maxillary Prognathism
En-mass Retraction by KILBON Versus CAT Appliances
en-mass retraction by lingual retractor versus clear alighner therapy
- Trial name
- NCT06366737
- Testing
- KILBON Appliance, CAT appliance
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Anterior Crossbite, Class III Malocclusion
Evaluation of the Treatment Effects of Tooth Borne Versus Bone-anchored Protraction Procedures in Class III Patients With Maxillary Deficiency
The aim of this prospective randomized controlled clinical study is to compare the effects of bone-anchored and tooth borne maxillary protraction on dentofacial structures in skeletal Class III patients.
- Conditions
- Anterior Crossbite, Class III Malocclusion, Maxillary Deficiency
- Trial name
- NCT04863404
- Testing
- Face mask with hybrid-hyrax, Face mask with conventional bonded RME
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Izmir Katip Celebi University
Jaw Protrusions
The Effectiveness of Modified 3D Printed Customized Facemask Appliance for Treatment of Class III Malocclusion
A randomized clinical trial to introduce a modified 3D printed customized maxillary protraction facemask and evaluate its efficacy in comparison with the conventional maxillary protraction facemask therapy in correction of Class…
- Trial name
- NCT06250127
- Testing
- Modified 3D printed facemask, Conventional facemask appliance
- Where
- 2 sites in Iraq
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Face Mask, Rapid Maxillary Expansion
Class III Malocclusion and ALT-RAMEC
Diverse viewpoints exist regarding the correlation between the conventional rapid maxillary expansion (RME) and facemask approach and the alternative RME and facemask hybrid technique (Alt-RAMEC) in terms of the degree of…
- Conditions
- Face Mask, Rapid Maxillary Expansion, Maxillary Retrognathism
- Trial name
- NCT05913076
- Testing
- Delaire Face Mask (M0774-01, Leone S.p.A., Florence, Italy) for first group, Delaire Face Mask (M0774-01, Leone S.p.A., Florence, Italy) for second group, Delaire Face Mask (M0774-01, Leone S.p.A., Florence, Italy) for third group
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Trakya University
Class III Malocclusion
Mandibular First Molar Distalization
A clinical study to test the capability of the mini-screws inserted in the Mandibular buccal shelf area as an anchorage unit to distalize mandibular first molar for correction of mild to moderate Class III cases.
- Trial name
- NCT04229797
- Testing
- Mandibular distalization using extra-radicular miniscrews
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
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
Class III Malocclusion
Assessment of Maxillary Stability in Bimaxillary Orthognathic Patients Using the Inverted Sequence Approach
The investigator will assess the inverted sequence approach in the treatment of class III patient undergoing bimaxillary orthognathic surgery
- Trial name
- NCT03353116
- Testing
- the mandible first, the maxilla first
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University