Clinical trials: Maxillary Expansion
Malocclusion, Posterior Crossbite
Comparison of Two Tooth-borne Expanders in Rapid Maxillary Expansion
This study will assess the dentoalveolar effects and impact on quality of life of two types of maxillary expanders in orthodontic patients with permanent dentition, from 12 to 16 years old.
- Trial name
- NCT03846518
- Testing
- Hyrax, mini Hyrax
- Where
- Brazil
- Volunteers
- 34 people
- Sponsor
- Pontifícia Universidade Católica de Minas Gerais
Maxillary Constriction in Growing Children, Transverse Maxillary Deficiency
Effects of BREA and MFT Expansion Appliances on Upper Airway Dimensions
This retrospective study evaluated whether orthodontic expansion using two types of appliances, a bimaxillary removable expansion appliance (BREA) and a maxillary fixed three screw palatal expander (MFT), influences upper airway…
- Conditions
- Maxillary Constriction in Growing Children, Transverse Maxillary Deficiency, Upper Airway Morphology in Children, Orthodontic Expansion Effects
- Trial name
- NCT07456917
- Testing
- Maxillary fixed three screw palatal expander (MFT), Bimaxillary removable expansion appliance (BREA)
- Where
- Poland
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Medical University of Silesia
Maxillary Constriction
Pain, Discomfort, and Functional Impairments During Rapid and Slow Maxillary Expansion
This study will assess and compare the levels of pain, discomfort, and functional impairments between rapid and slow maxillary expansion in treating skeletal maxillary constriction in the early adolescence period (i.e.
- Trial name
- NCT04734054
- Testing
- Modified Hyrax Palatal Expander, Removable Palatal Expander
- Where
- Syria
- Volunteers
- 32 people
- Sponsor
- Damascus University
Maxillary Expansion
3D-Printed Versus Laboratory-Fabricated Hyrax Expanders
Maxillary expanders are orthodontic appliances that are commonly used to expand the upper jaw. The purpose of this study will be to compare the effects produced by two different maxillary expanders in children 8-13 years old.
- Trial name
- NCT05743127
- Testing
- 3D-Printed Hyrax Expander, Conventional Laboratory Fabricated Hyrax Expander
- Where
- 2 sites in United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Ildeu Andrade Jr.
Maxillary Deficiency
Associations Between Radiographic Inclination of Premolars and Maxillary Expansion
Recruitment of patients treated using rapid maxillary expanders with dental anchorage, with pre-treatment panoramic X-rays and post-treatment models.
- Trial name
- NCT07095374
- Testing
- Rapid palatal expansion
- Where
- Italy
- Volunteers
- 200 people
- Sponsor
- University of Pavia
Maxillary Transverse Deficiency
Tooth-Borne (TBA) Versus Hybrid Expanders (HA) in Surgically Assisted Rapid Maxillary Expansion (SARME)
This randomized clinical trial will compare two types of expansion appliances used with surgically assisted rapid maxillary expansion (SARME) in adults with a narrow upper jaw.
- Trial name
- SARME-TBA/HA (NCT07849855)
- Testing
- Tooth-Borne Maxillary Expansion Appliance, Hybrid Tooth-Bone-Borne Maxillary Expansion Appliance
- Where
- 2 sites in Denmark, Sweden
- Volunteers
- 32 people
- Sponsor
- Aalborg University Hospital
Maxillary Expansion in Cleft Lip and Palate Patients, Dentoskeletal Effects After Expansion Using Two Different Expanders
Dento-skeletal Effects of Quadhelix Versus Mini-hyrax Expanders in Patients With Cleft Lip and Palate at the Mixed Dentition Stage: A Randomized Clinical Trial
Regarding expansion in cleft lip and palate patients, very few clinical trials were found after searching literature and fewer randomized trials.
- Trial name
- RCT (NCT07465939)
- Testing
- Quadhelix Expander, Minihyrax Expander
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Cairo University
Maxillary Transverse Deficiency, Rapid Maxillary Expansion
Evaluation of Occlusal Force Following Rapid Maxillary Expansion Assisted by Piezocision in Different Age Groups
The aim of this prospective clinical study is to evaluate and compare the changes in occlusal force distribution using a quantitative digital occlusal analysis system following piezocision-assisted rapid maxillary expansion (RME)…
- Conditions
- Maxillary Transverse Deficiency, Rapid Maxillary Expansion, Posterior Crossbite
- Trial name
- NCT07810465
- Testing
- Piezocision-Assisted Rapid Maxillary Expansion, T-Scan Quantitative Digital Occlusal Force Analysis
- Where
- Egypt
- Volunteers
- 16 people
- Sponsor
- Al-Azhar University
Skeletal Class III Malocclusion, Transverse Maxillary Deficiency
Effects of Invisalign Palatal Expander vs Rapid Palatal Expander With Facemask in Growing Class III Patients
The goal of this clinical trial is to compare two types of palatal expanders used with a facemask in children who have skeletal Class III and a narrow upper jaw.
- Trial name
- NCT07485478
- Testing
- Invisalign Palatal Expander (IPE), Rapid Palatal Expander (RPE)
- Where
- Thailand
- Volunteers
- 24 people
- Sponsor
- Mahidol University
Orthodontic Appliance Complication
Intraoral Maxillary Protraction Technique vs Facemask Using Alt-RAMEC Protocol for Treatment Class III Growing Patients
The study compares use of intraoral technique for maxillary advancement and extra oral technique with hep of protocol called Alt-RAMEC which depends on repeated expansion and constriction of maxilla to help in maxillary…
- Trial name
- ALT-RAMEC (NCT05345756)
- Testing
- Intraoral protraction device, Extraoral protraction device
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Posterior Crossbite
Evaluation of Rapid Maxillary Expansion Facilitated by Micro-osteoperforation in Adolescent Patients With Skeletal Maxillary Constriction
The aim of this study is to evaluate and compare the effect of rapid maxillary expansion with and without microosteoperforation in patients with skeletal maxillary constriction.Theoretically, the force generated by the activation…
- Trial name
- NCT03772379
- Testing
- tooth borne hyrax expander, microosteoperforation
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Cairo University
Palatal Expansion Technique
Evaluation of Hard and Soft Tissue Change During Maxillary Expansion Using a Computer-aided Design / Computer-aided Manufacturing Appliance.
Hard tissue changes during the transversal expansion of the maxilla using a CAD/CAM expansion appliance. Soft tissue changes during the transversal expansion of the maxilla using a CAD/CAM expansion appliance.
- Trial name
- NCT06246656
- Testing
- Maxillary Expansion
- Where
- Austria
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
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
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
Maxillary Anomaly
Activation Intervals Effects on Non-surgical Maxillary Expansion in Adults
OBJECTIVE: To evaluate the effects of different time intervals activations on the non-surgical maxillary expansion in adults. Methods: This study will include two groups, 10 adult patients each (mean age 20-35) with maxillary…
- Trial name
- NCT04041804
- Testing
- semirapid maxillary expansion (SRME)
- Where
- Colombia
- Volunteers
- 20 people
- Sponsor
- Fundación Universitaria CIEO
Cross-bite
One Year Skeletal and Dental Arch Changes Following Rapid Maxillary Expansion Treatment in Children
Many author have exposed the rapid and slow expansion, the diversity of activation and containment protocols and the follow-up time, justify the need for more studies to evaluate the effects to the ERM for the long-term.
- Trial name
- ERM (NCT01765062)
- Where
- Brazil
- Volunteers
- 14 people
- Sponsor
- State University of Maringá
Malocclusion, Muscle Activity
Evaluation of Muscle Activity in Unilateral Posterior Crossbite
Posterior crossbite (PCB) is defined as the presence of one or more teeth of the posterior group (canine to third molar) in an inverted buccolingual relationship, where the vestibular cusp of the upper tooth is in contact with…
- Conditions
- Malocclusion, Muscle Activity, Maxillary Expansion
- Trial name
- NCT04962685
- Testing
- Rapid Maxillary Expansion
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- Universitat Internacional de Catalunya
Transverse Maxillary Deficiency
Effectiveness of Two Mini-screws Supported Hyrax for Maxillary Expansion in Early Adulthood
The study aiming at evaluation of the Skeletal and Dento-alveolar expansion in adult patents using Two Mini-screws Supported Hyrax compared with untreated control group.
- Trial name
- NCT06130748
- Testing
- Hybrid Hyrax
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Transverse Maxillary Deficiency, Posterior Crossbite, Upper Airway
Immediate Skeletal and Dento-alveolar Effects of Two and Four Mini-screw Supported Hyrax for Maxillary Expansion in Non-growing Patients
transverse malocclusion is very common in adult ,using conventional hyrax expander has many limitations and side effects, therefore ,recently A minis crews assisted rapid expansion is recently introduced to overcome hence…
- Trial name
- RCT (NCT06851728)
- Testing
- MARPE
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Cairo University
Nocturnal Enuresis
Nocturnal Enuresis and Rapid Maxillary Expansion
Nocturnal enuresis (NE) is the involuntary loss of urine that occurs only at night in children aged 5 years or more. NE is a common problem, affecting about 10% of school children.
- Trial name
- NERME (NCT02178826)
- Testing
- Rapid Maxillary Expansion
- Where
- Sweden
- Volunteers
- 40 people
- Sponsor
- Uppsala University Hospital