Clinical trials: Narrow Maxilla, active
Posterior Crossbite, Maxillary Expansion
Quad Helix vs RME for Posterior Cross-bite in Egyptian Children
This randomized clinical trial aims to evaluate and compare the effectiveness of the Quad Helix (QH) appliance versus Rapid Maxillary Expanders (RME) in treating posterior cross-bite in Egyptian children during the mixed…
- Conditions
- Posterior Crossbite, Maxillary Expansion, Transverse Maxillary Deficiency
- Trial name
- Expansion (NCT07500194)
- Testing
- Quad Helix(QH) Appliance, Rapid Maxillary Expanders
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Al-Azhar University
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
Transverse Maxillary Deficiency, Maxillary Expansion
Three-dimensionally Printed Hyrax Versus Conventional Hyrax for Maxillary Arch Expansion in Adolescents
This clinical trial aims to compare the skeletal and dental effects of conventional Hyrax expanders and 3D-printed Hyrax expanders in adolescent patients with maxillary transverse deficiency.
- Trial name
- NCT07411092
- Testing
- Three dimensionally printed hyrax expander, Conventionally Fabricated Hyrax Expander
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Ain Shams 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
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
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
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
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
Maxillary Constriction
Comparison of Laboratory-Fabricated and 3D-Printed Rapid Maxillary Expansion Appliances
The goal of this clinical trial is to determine whether two types of rapid maxillary expansion (RME) appliances produce different outcomes in children. RME is a treatment utilized to expand a narrow upper jaw.
- Trial name
- NCT07599202
- Testing
- Laboratory-fabricated rapid maxillary expansion appliance, 3D-printed rapid maxillary expansion appliance
- Where
- Turkey (Türkiye)
- Volunteers
- 48 people
- Sponsor
- Baskent University
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
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
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
Transverse Maxillary Deficiency
Efficacy of Transverse Maxillary Expansion With AMCOP Preformed Appliances
The present study aimed to investigate the cross-sectional effect of Class I AMCOP devices in patients of all possible skeletal types from both vertical skeletal pattern (normodivergent, hyperdivergent, hypodivergent) and…
- Trial name
- NCT06864949
- Testing
- AMCOP appliance
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- University of Pavia