Clinical trials: Crossbite
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
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
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
Crossbite (Posterior), Expansion of Maxillary Arch
Comparison of Maxillary Dental Expansion Using Smartee Clear Aligner With and Without S11 Expander: A Randomized Clinical Trial
To compare the effects of Smartee S11 expander with conventional clear aligner expansion using cone beam computed tomography (CBCT).
- Conditions
- Crossbite (Posterior), Expansion of Maxillary Arch, Clear Aligner Appliance
- Trial name
- RCT expansion (NCT07533682)
- Testing
- maxillary expander with transpalatal strap S11, conventional expantion
- Where
- Saudi Arabia
- Volunteers
- 30 people
- Sponsor
- Aisha Ali Qahtani
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
Class III Malocclusion, Cross Bite
Evaluation of Pain, Discomfort and Acceptance During the Orthodontic Treatment of Class III Malocclusion
The aim of this study is to evaluate the levels of pain, discomfort and acceptance between two treatment modalities of Class III correction of growing patients in the late mixed dentition period.
- Conditions
- Class III Malocclusion, Cross Bite, Orthodontic Appliance Complication
- Trial name
- NCT03976635
- Testing
- Removable Mandibular Retractor, Bone-anchored intermaxillary traction
- Where
- Syria
- Volunteers
- 38 people
- Sponsor
- Damascus University
Crossbite, Openbite
Implications of Pacifier Use in Israeli Children
The purpose of this study is to examine pacifier sucking habits among children, and to assess implications of the oral habit - for example malocclusions and drooling.
- Conditions
- Crossbite, Openbite, Drooling
- Trial name
- NCT01249885
- Where
- Israel
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
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
Crossbite Teeth
Correlation Between Posterior Crossbite and Risk of Obstructive Sleep Apnea
Correlation Between Posterior Crossbite and Risk of Obstructive Sleep Apnea
- Trial name
- NCT07561606
- Testing
- Comparator, Interventions
- Volunteers
- 420 people
- Sponsor
- October University for Modern Sciences and Arts
Cross-bite, Malocclusion in Children
3D Analysis of Palatal Morphology of Growing Patients Treated With Rapid Palatal Expander.
The aim of the present study is to assess the changes of palatal morphology among growing patients with different vertical facial growth patterns treated with rapid palatal expander.
- Trial name
- 3D_MoPal (NCT06522607)
- Testing
- rapid palatal expander
- Where
- Italy
- Volunteers
- 36 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Cross Bite
Evaluation of Myobrace for Crossbite Correction in Mixed Dentition
This randomized controlled clinical trial will evaluate the effectiveness of the Myobrace appliance in correcting anterior and posterior crossbite in children aged 6 to 10 years during the mixed dentition stage.
- Trial name
- Myo vs Frankel (NCT07840053)
- Testing
- Myobrace Interceptive Class III Appliance, Frankel III Functional Regulator
- Where
- Yemen
- Volunteers
- 40 people
- Sponsor
- Sana'a University
Malocclusion, Crossbite
Early Crossbite Correction - a Randomized Study
The aim of this longitudinal randomized investigation is to determine the long-term effects of early lateral crossbite correction with Quad-Helix appliance, during the deciduous dentition, on craniofacial structures and dental…
- Trial name
- NCT03353766
- Testing
- Early crossbite correction with Q-H Device
- Where
- Finland
- Volunteers
- 80 people
- Sponsor
- University of Oulu
Maxillary Transverse Deficiency (Posterior Crossbite) in Early Adolescent Patients
Posterior Resin Bite Turbos Effect on Maxillary Expansion Using a HYRAX Expander in Early Adolescents
This randomized controlled clinical trial aims to evaluate the effect of posterior disarticulatory resin bite turbos on the rate of maxillary expansion using a HYRAX expander in early adolescent patients.
- Trial name
- HYRAX_ RME_SME (NCT07739498)
- Testing
- Intervention 1: HYRAX expander with posterior disarticulatory resin bite turbos, Intervention 2 (Control): HYRAX expander alone
- Where
- Egypt
- Volunteers
- 22 people
- Sponsor
- Mansoura 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
Mandibular Asymmetry, Functional Shift of the Mandible
Quad Helix and Correction of Mandibular Asymmetry
To compare the effectiveness of the Quad Helix, an orthopaedic conventional appliance, in the correction of skeletal mandibular asymmetry, on frontal x-ray, in subjects treated before or after 7 years.
- Trial name
- NCT04429113
- Testing
- Maxillary expansion with conventional Quad Helix bonded on molars.
- Where
- France
- Volunteers
- 67 people
- Sponsor
- University Hospital, Montpellier
Cross Bite
Evaluation Of Different Rapid Orthodontic Expansion Devices
Evaluating and comparing the short term effects of different palatal expanders on the amount of palatal expansion and buccal tipping of posterior teeth.
- Trial name
- NCT03258411
- Testing
- Rapid Expansion of palatal suture
- Where
- Saudi Arabia
- Volunteers
- 31 people
- Sponsor
- King Abdulaziz University
Malocclusion, Crossbite (Posterior)
Dentoskeletal Effects of the Expander With Differential Opening and the Fan-type Expander
This study will assess the dentoskeletal effects of two types of maxillary expanders in orthodontic patients in the mixed dentition, from 7 to 11 years old.
- Trial name
- NCT03705871
- Testing
- Differential Expansion, Fan-Fype Expander
- Where
- Brazil
- Volunteers
- 48 people
- Sponsor
- University of Sao Paulo
Malocclusion, Crossbite
Evaluation of Removable Appliances and Clear Aligners in Early Orthodontic Treatments During the Mixed Dentition Period
This prospective study aims to compare two different orthodontic treatment modalities-clear aligners and removable appliances-in children aged 6 to 12 years during the mixed dentition period.
- Trial name
- NCT07331090
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people
- Sponsor
- Neslihan Atmaca
Posterior Cross Bite
Cone Beam Computed Tomography for Evaluating Corticotomy-assisted Maxillary Expansion
Maxillary expansion was performed for adult female patients suffering from maxillary constriction with bilateral posterior cross-bite using fixed Quad-helix appliance, for about 8 months.
- Trial name
- NCT02574117
- Testing
- flap with corticotomy and bone allograft
- Where
- Egypt
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Cairo University
Anterior Crossbite
Clear Aligner Versus Removable Inclined Plane in Treatment of Anterior Crossbite
the study is carried in faculty of dentistry Mansoura university to compare the efficiency and health quality life improvement between clear aligner and inclined plane in treatment of anterior crossbite
- Trial name
- NCT06015386
- Testing
- inclined plane, clear aligner
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Mansoura University