Clinical trials: Prognathism
Maxillofacial Abnormalities, Jaw Abnormalities
Digital Occlusal Wafer Versus Waferless Distal Segment Repositioning for BSSO in Skeletal Mandibular Deformities
Research studies continues to attempt testing modifications to refine the treatment protocols through computer assisted design or computer-generated surgical Wafer splints, have greatly revolutionized the incorporation of digital…
- Conditions
- Maxillofacial Abnormalities, Jaw Abnormalities, Prognathism, Retrognathia
- Trial name
- NCT05151042
- Testing
- wafer-less approach, Computer Guided orthognathic surgery using occlusal wafers
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
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 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
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
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 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
Retrognathism, Prognathism
Pharmacological Treatment on the Recovery of Neurosensory Disturbance After Bilateral Sagittal Split Osteotomy
The bilateral sagittal split osteotomy (BSSO) of the mandible is one of the most used surgical techniques to achieve a harmonious jaw relation in the context of orthognathic surgery.
- Conditions
- Retrognathism, Prognathism, Orthognathic Surgery, Neurosensory Disorder
- Trial name
- NCT05536596
- Testing
- Orthognathic Surgery, Melatonin 10 MG Oral Tablet, Hydroxycobalamin
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Universitat Internacional de Catalunya
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
Prognathism, Retrognathism
Natural History of Craniofacial Anomalies and Developmental Growth Variants
Background: Some head and facial abnormalities are rare and present at birth. Others are more common, and may not show up until puberty. These conditions have different causes and characteristics.
- Conditions
- Prognathism, Retrognathism, Dentofacial Deformities
- Trial name
- NCT02639312
- Where
- United States
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Multiple Sclerosis
Motor Evoked Potentials With Modified Facilitation Technique
Investigating the change in Test- Retest- reliability in healthy individuals when applying a modified easy to use facilitation technique compared to standard facilitation technique and analyzing sensitivity and specificity in…
- Trial name
- EP-F (NCT03646929)
- Testing
- MEP using standard facilitation technique, MEP using modified facilitation technique
- Where
- Switzerland
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
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
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
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
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
Class III Malocclusion
Palatal Versus Buccal Protraction Using Plates Assisted With Facemask in Growing Class III Patients
to compare Palatal and buccal protraction using plates assisted with facemask in growing class III patients
- Trial name
- NCT06452368
- Testing
- facemask
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
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