Clinical trials: Retrognathia
Maxilla; Hypoplasia
Transverse Maxillary Expansion With a Segmental Le Fort I Osteotomy or Surgically Assisted Rapid Maxillary Expansion (SARME)
To assess transverse dental and skeletal expansion and stability after SLFIO with no fixation of the palatal vault compared to stabilization of the palatal vault with an autogenous bone block graft or fixation of the palatal…
- Trial name
- NCT03511989
- Testing
- Bone borne distractor, Tooth borne distractor, Segmental LF1 Osteotomy group 1
- Where
- Denmark
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Aalborg University Hospital
Facial Asymmetry, Retrognathism
Efficacy of Intravenous Iron Therapy in Maintaining Hemoglobin Concentration on Patients Undergoing Bimaxillary Orthognathic Surgery
The aim of this study is to evaluate the effect of Intravenous iron isomaltoside on maintaining hemoglobin concentration in patients undergoing bimaxillary orthognathic surgery.
- Conditions
- Facial Asymmetry, Retrognathism, Prognathism
- Trial name
- NCT03094182
- Testing
- Iron Isomaltoside 1000, Normal saline
- Where
- South Korea
- Volunteers
- 58 people
- Sponsor
- Yonsei University
Skeletal Class II Malocclusion, Mandibular Retrognathia
Fixed Versus Conventional Twin Block Appliances for Skeletal Class II Malocclusion
This study compares two types of dental appliances a fixed Twin Block appliance and a conventional (removable) Twin Block appliance used to treat a bite problem called skeletal Class II malocclusion in growing children and…
- Trial name
- NCT07687927
- Testing
- Conventional Twin Block Appliance
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Class III Malocclusion, Skeletal Malocclusion
Comparison of Skeletal Anchorage Versus Conventional Tooth-Borne Face Mask Therapy Following the Alt-RAMEC Protocol
This study investigated two different methods of maxillary protraction in growing patients with skeletal Class III malocclusion characterized by maxillary deficiency.
- Conditions
- Class III Malocclusion, Skeletal Malocclusion, Maxillary Deficiency
- Trial name
- MiniFM (NCT07279662)
- Testing
- Skeletal Anchorage Supported Maxillary Protraction, Tooth-Borne Maxillary Protraction Appliance
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Murat Kaan Erdem
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
Maxillary Hypoplasia
Orthodontic Retention on the Maxillary Stability After SARME Using Laser Scanner
The objective of this study was to evaluate the effect of the orthodontic retainer on transverse maxillary dental and skeletal stability after SARME.
- Trial name
- NCT01770782
- Testing
- Surgically Assisted Rapid Maxillary Expansion (SARME), Laser Scanner
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Max Domingues Pereira
Cleft Lip and Palate, Maxillary Hypoplasia
Cleft Orthognathic Surgery Versus Distraction Osteogenesis - Which is Better?
Cleft lip and palate patients normally present with a sunken face due to collapse in the middle part of the face and inability of the upper and lower teeth to meet during chewing.
- Trial name
- NCT00930124
- Testing
- Orthognathic surgery, Distraction osteogenesis
- Where
- Hong Kong
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Nasal Septum; Deviation, Congenital, Cleft Lip and Palate
Three Dimensional Changes on Nasal Septum and Alveolar Cleft After Maxillary Expansion
This study evaluates, by means of cone beam computed tomography (CBCT), the alterations in the nasal septum and alveolar cleft volume that occur in cleft lip and palate (CLP) patients after rapid maxillary expansion(RME).
- Conditions
- Nasal Septum; Deviation, Congenital, Cleft Lip and Palate, Maxillary Hypoplasia
- Trial name
- NCT03976609
- Testing
- Maxillary Expansion
- Volunteers
- 40 people
- Sponsor
- Pontifícia Universidade Católica de Minas Gerais
ClassII Division 1 Malocclusion, Mandibular Retrognathism
Effects of Orthopedic Mandibular Advancement in Class II Division 1 Malocclusion on Pharyngeal Airway
This study aims at evaluating the effects of mandibular advancement on pharyngeal airway space and nocturnal breathing in children with skeletal class II division1 malocclusion.
- Trial name
- NCT04255511
- Testing
- Twin Block, Fixed orthodontic appliance
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Orofacial Myofunctional Disorders, Myo Munchee
Trial to Compare the Effects of Myo Munchee Therapy and Oral Motor Therapy (OMT) in Pediatric Patients to Treat Maxillary Deficiency and Orofacial Myofunctional Dysfunction (OMD).
Multi-center, 6-month, randomized, and controlled trial to compare the effects of Myo Munchee therapy and Oral Motor Therapy (OMT) in pediatric patients (aged 3-5 years) to treat maxillary deficiency and orofacial myofunctional…
- Conditions
- Orofacial Myofunctional Disorders, Myo Munchee, Oral Motor Therapy, Maxillary Deficiency
- Trial name
- NCT07088055
- Testing
- Chewing device only, Myo Munchee and Oral Motor Therapy Treatment, Oral Motor Therapy Treatment Arm
- Where
- 2 sites in United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Myo Munchee (Operations) Pty Ltd
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
Maxillary Hypoplasia
Skeletal and Dental Changes with Hyrax-type Rapid Maxillary Expander Anchored to Permanent Versus Deciduous Molars
The aim of the study is to compare the skeletal and dental maxillary expansion obtained with an Hyrax tooth-borne expander anchored either on the 2nd deciduous molars (V) or on the 1st permanent molars (6)
- Trial name
- DENTHYRAX (NCT05773573)
- Testing
- Experimental group, Control group
- Where
- France
- Volunteers
- 34 people
- Sponsor
- University Hospital, Montpellier
Maxillary Deficiency
Comparative Results of Maxillary Deficiency Treatment by Fixed Tongue Appliance and Fixed Facemask in Growing Patients
A new fixed appliance will be used to transfer the tongue force during its physiological activity to advance the nasomaxillary complex; this method will be compared with the traditional method which uses a facemask with a fixed…
- Trial name
- NCT00916084
- Testing
- Fixed Tongue Appliance, Fixed Face Mask
- Where
- Iran
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University
Adiposity, Micrognathism
A Fatty Flap Taken From the Double Chin for Chin Enhancement: a New Surgical Technique
The double chin is a troublesome component of the lower third of the face. It gives an embarrassing and unpleasant facial appearance to both men and women leading them to ask for liposuction.
- Trial name
- NCT05515016
- Testing
- chin enhancement with a fatty flap sculpted from the double chin
- Volunteers
- 10 people
- Sponsor
- Mohamed Tahar Maamouri University Hospital
Maxillary Deficiency
Maxillary Sinus Augmentation Via the "Bone Lid Technique"
Maxillary sinus augmentation is one of the most performed procedures to increase the bone quantity of the atrophic maxilla in order to allow implant placement.
- Trial name
- SINUSLID_2023 (NCT06222970)
- Testing
- Bone lid repositioning in course of sinus lift
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- University of Pisa
Maxillary Deficiency
Maxillary Expansion: Leaf Expander Versus Hyrax Expander
The aim of the current study was to evaluate maxillary and mandibular arch widths' response to five different appliances and clinical protocols (Rapid maxillary expander RME, Leaf Expander 450g, Leaf Expander 900g, Self-expander…
- Trial name
- LEAF (NCT05135962)
- Testing
- orthodontic - rapid maxillary expansion, orthodontic - slow maxillary expansion with leaf expander, orthodontic - slow maxillary expansion with self leaf expander
- Volunteers
- 200 people
- Sponsor
- University of Genova
Maxillary Deficiency
Paranasal Sinus Volumes of Maxillary Deficiency Patients Requiring Le Fort Osteotomy
The present study aims to compare ethmoid, sphenoid and maxillary sinus volumes of patients with maxillary deficiency requiring Le Fort osteotomy with healthy patients, by employing computed tomography imaging.
- Trial name
- NCT04637568
- Testing
- Computerized tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ankara 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
Posterior Crossbite, Maxilla; Hypoplasia
Leaf Expander Versus Hyrax Expander in Mixed Dentition Patients With Posterior Crossbite.
Design: Two-arm parallel randomized clinical trial in mixed dentition (6-12 years). Arms: (1) 9 mm, 900 g leaf expander; (2) 9 mm Hyrax expander.
- Trial name
- NCT07301918
- Testing
- The Leaf expander, Hyrax expander
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Cairo University
Crossbite, Maxillary Hypoplasia
Pain and Discomfort During Maxillary Expansion
The aim of the present study is to investigate and analyze the perception of pain and function impairment during the first week of activation with two different palatal expansion screw to identify an effective pain prevention…
- Trial name
- NCT03757468
- Testing
- orthodontic - maxillary expansion
- Where
- 2 sites in Italy
- Volunteers
- 100 people
- Sponsor
- University of Genova