Clinical trials: Narrow Maxilla
Narrow Maxilla
IFPE (Invisalign First Palatal Expander)
Malocclusions with narrow upper arches are usually treated in the mixed dentition with a traditional bonded maxillary expander. Most recently, a new design of a removable expander by Align was brought to our attention.
- Trial name
- NCT06230484
- Testing
- Invisalign first palatal expander, Conventional rapid maxillary expansion
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Obstructive Sleep Apnea, Transverse Maxillary Deficiency
Obstructive Sleep Apnea Hypopnea Syndrome (OSAHS) and Transverse Orthodontic Deficiency in Children
OSAHS (Obstructive Sleep Apnea Hypopnea Syndrome) in children is a frequent respiratory disorder, whose prevalence is estimated at between 1.2 and 5.7%, and which, if left untreated, can cause severe medical complications.
- Trial name
- ASCOT (NCT07086612)
- Testing
- over nigtht ventilatory polysomnograph test
- Where
- France
- Volunteers
- 102 people
- Sponsor
- Fondation Hôpital Saint-Joseph
Constriction
Pain, Discomfort, and Functional Impairments During Maxillary Expansion
Maxillary expansion is associated with varying degrees of pain and functional impairments. The current study aims to compare rapid maxillary expansion using a McNamara-type (bonded) appliance and slow maxillary expansion using a…
- Trial name
- NCT05248087
- Testing
- The bonded McNamara-type appliance, The removable palatal expansion appliance
- Where
- Syria
- Volunteers
- 52 people
- Sponsor
- Damascus University
Constricted Maxillary Arch
Effect of Mini-screw Assisted Rapid Palatal Expansion on Midpalatal Suture in Post-pubertal Patients: a CBCT Study
a device is going to be placed in the palate to non-growing patients who are diagnosed to have a constricted maxillary arch and require an expansion of the maxillary arch in their treatment plan.
- Trial name
- EMARPEMSPP (NCT07075211)
- Testing
- MARPE (mini-screw assisted rapid palatal expansion)
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
Six Months Follow-up of Two and Four Mini Screws Supported Hyrax in Adults
six months follow-up of two and four mini-screw supported hyrax for maxillary expansion in non-growing patients: A randomized controlled clinical trial
- Trial name
- NCT06851624
- Testing
- MARPE
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Cairo University
Malocclusion, Maxillar Hypoplasia
Comparison of 2 Techniques of Surgically Assisted Rapid Maxillary Expansion
This study evaluates 2 Techniques of Surgically Assisted Rapid Maxillary Expansion (SARME) in the treatment of maxillary transverse deficiency.
- Conditions
- Malocclusion, Maxillar Hypoplasia, Transverse Maxillary Deficiency
- Trial name
- SARME (NCT03503448)
- Testing
- Osteotomy between the maxillary central incisors, Osteotomy between the maxillary lateral incisors and canines
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hospital Universitario Pedro Ernesto
Thin Gingiva, Transverse Maxillary Deficiency
Evaluation of Geistlich Fibro-Gide ® and Autogenous Connective Tissue Graft Prior to Orthodontic Maxillary Expansion.
Teenage children and adults often undergo orthodontic treatment each year to improve their dental esthetics and chewing function. One common problem they present with is having a small maxilla compared to the mandible.
- Conditions
- Thin Gingiva, Transverse Maxillary Deficiency, Cross Bite
- Trial name
- NCT05295771
- Testing
- Gingival Phenotype Modification
- Where
- Canada
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Alberta
Apnea, Airway Obstruction, Nasal
Upper Airway's Pressure Drop Analyses After Mandibular Advancement and Maxillary Expansion
Breathing is a crucial function for everyone. Breathing impairment in children could lead to behavioral and cognitive problems at least.
- Conditions
- Apnea, Airway Obstruction, Nasal, Mandible Small, Maxillary Hypoplasia
- Trial name
- NCT04190953
- Testing
- Twin block then Hyrax, Hyrax then Twin block
- Where
- Canada
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Narrow Maxilla
Effect of the Palatal Expansion Treatment on Reported Sleeping Disorders in Children
The goal of this clinical trial is to see if expanding the upper jaw with orthodontic therapy can help improve sleep related breathing problems in children.
- Trial name
- RPE PSQ HR (NCT06725979)
- Testing
- maxillary expansion using hyrax expander
- Where
- Croatia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Rijeka
Anterior Maxillary Narrow Ridge
Interchangeable Guide in Ridge Splitting Flapless Technique for Implant Placement
A clinical trial was conducted to evaluate the accuracy of dental implant placement in narrow ridges after ridge splitting flapless technique using an interchangeable guide.
- Trial name
- NCT04386382
- Testing
- ridge splitting flapless technique using interchangeable guide followed by implant placement
- Where
- Egypt
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Hams Hamed Abdelrahman
Maxillary Transversal Deficiency
Correlation Between Nasal Septal Deviation and Transverse Maxillary Deficiency on CT Scans
The maxillary bones and the nasal septum are interconnected structures. The nasal septum acts as a growth center that facilitates normal maxillofacial growth and development.
- Trial name
- NCT07579091
- Where
- France
- Volunteers
- 223 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Maxillary Expansion
Effects of Skeletal Anchored Maxillary Expander for Constricted Maxilla
The aim of study will be Evaluation of Effects of skeletal anchored maxillary expander for constricted maxilla with different patient's age
- Trial name
- NCT07036822
- Testing
- Skeletal Anchored Maxillary Expander (MARPE)
- Volunteers
- 24 people
- Sponsor
- Samar Hassan Mahmoud Mohamed
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
Edentulous Alveolar Ridge
Comparison of Piezoelectric Split-crest Technique Versus Expansion Using Hand Driven Ridge Expanders in Treatment of Maxillary Narrow Ridges
Comparison of Piezoelectric split-crest technique versus expansion using Hand Driven Ridge Expanders in treatment of Maxillary Narrow Ridges
- Trial name
- NCT05141331
- Testing
- piezoelectric
- Where
- Egypt
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- ahmed ashraf abdelreheem
Maxillary Transverse Deficiency
3D Evaluation of Maxillary Expansion Methods
This controlled prospective clinical trial aims to evaluate the effectiveness of different maxillary expansion methods in children with maxillary transverse deficiency.
- Trial name
- NCT07262892
- Testing
- Invisalign Palatal Expander (IPE), Acrylic Cap Splint Rapid Maxillary Expansion (RME) Appliance
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Büşra Zeynep Yörük
Malocclusion, Narrow Maxilla
Clear Orthodontic Expander Versus Hyrax
This study will be conducted to evaluate the effectiveness of a clear expander fabricated from 2-mm biocompatible polyethylene terephthalate glycol (PETG) thermoforming material integrated with an expansion screw in achieving…
- Trial name
- COE-Hyarx (NCT07362160)
- Testing
- New clear expander, Hyrax expander
- Where
- Iraq
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Completely Edentulous Maxilla, Horizontal Alveolar Ridge Deficiency
ALVEOLAR RIDGE SPLIT FOR FULL-ARCH MAXILLA
This retrospective study evaluated the use of the alveolar ridge split (ARS) technique in patients with a completely edentulous upper jaw who received implant-supported fixed prostheses.
- Trial name
- NCT07846475
- Testing
- Conventional Dental Implant Placement
- Volunteers
- 47 people
- Sponsor
- Karadeniz Technical University
Narrow Maxilla
Efficacy of Mini-implant Assisted Maxillary Expansion in Adolescents and Adults
Transverse maxillary deficiency is a common orthodontic issue, affecting around 10% of adults. Late adolescents and adults often require more force to expand the midpalatal suture due to its increased interdigitation.
- Trial name
- MARPE_1 (NCT06449014)
- Testing
- Mini-implants assisted maxillary expansion
- Where
- 2 sites in Belgium
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Erasme University Hospital
Transverse Maxillary Deficiency
Digital vs. Analog Inputs in CAD/CAM Orthodontics: A Comparative Clinical Evaluation of Palatal Expander Fabrication Workflow
36 patients with unilateral or bilateral cross bite treated with hyrax expanders fabricated through three distinct workflows: fully conventional (physical impression + manual fabrication), hybrid (physical impression + CAD/CAM…
- Trial name
- NCT07338591
- Where
- 2 sites in Egypt
- Volunteers
- 36 people
- Sponsor
- Mansoura University