Clinical trials: Crossbite
Anterior Crossbite, Class III Malocclusion in Growing Patients
Comparison Between Protraction Facemask and Upper Braces for Underbite Correction in Growing Children
The goal of this clinical trial is to compare the effectiveness of a protraction facemask and upper partial fixed appliance in correcting anterior crossbite in growing children with class III malocclusion.
- Trial name
- NCT06759896
- Testing
- Protraction facemask, Upper partial fixed appliance
- Where
- Malaysia
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Malaya
Anterior Crossbite
Evaluation of the Effect of Labio-Lingual Spring Hawley and Clear Aligners on Periodontal Health and Salivary Parameters
Objective: The aim of our study was to determine the effect of two different types of removable appliances on periodontal health, dental plaque colonization, as well as saliva, pH, flow rate, and buffering capacity of the…
- Trial name
- NCT06858033
- Testing
- Clear aligner, Labiolingual spring hawley
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Ozge Gungor
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
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, 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, Malocclusion
Rapid Maxillary Expansion with Low Level Laser Therapy
The posterior crossbite is a common type of malocclusion that might affect the normal growth pattern. Early treatment is recommended by rapid maxillary expansion with different appliances.
- Conditions
- Crossbite, Malocclusion, Cross Bite, Maxillary Constriction
- Trial name
- NCT05586997
- Testing
- Bonded-Hyrax, Bonded Rapid Maxillary Expansion and low-Level Laser therapy
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- National Research Centre, Egypt
Maxillary Anomaly
Evaluation of the Hybrid Rapid Maxillary Expander Assisted With Micro-osteo Perforation (MOPs) in Adult.
This study will be directed for Evaluation of the hybrid rapid maxillary expander assisted with Micro-osteo perforation (MOPs) in adults
- Trial name
- NCT06467240
- Testing
- hybrid rapid maxillary expander assisted with Micro-osteo perforation (MOPs)
- Where
- Egypt
- Volunteers
- 14 people
- Sponsor
- Al-Azhar University
Anterior Crossbite
The Effectiveness of Acrylic and Clear Aligners in the Treatment of Anterior Crossbite in Children
To evaluate the treatment efficacy, treatment duration, and cephalometric changes, as well as the impact on quality of life, of clear aligners and labiolingual spring Hawley appliances in the treatment of pediatric patients with…
- Trial name
- NCT06792513
- Testing
- Clear Aligner, Labiolingual Spring Hawley Appliance
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Ozge Gungor
Posterior Crossbite, Upper Airway
Evaluation of the Effect of Different Rapid Maxillary Expansion Appliances on Airway by Acoustic Rhinometry
Rapid maxillary expansion (RME) is an orthodontic treatment based on the principle of opening the midpalatal suture with the effect of orthopedic forces.
- Trial name
- NCT04529057
- Testing
- Rapid Maxillary Expansion Treatment
- Volunteers
- 46 people
- Sponsor
- Izmir Katip Celebi University
Malocclusion, Angle Class III, Crossbite (Anterior) (Posterior)
Comparison of Two Miniscrew Anchored Maxillary Protraction Protocols
This study evaluates the dentoskeletal effects produced by two maxillary protraction protocols in adolescent patients. Half of participants will be treated with a tooth-borne and tooth-bone-borne expanders as anchorage in the…
- Trial name
- NCT03712007
- Testing
- MAMP therapy with MARPE expander, MAMP therapy with Hyrax expander
- Where
- Brazil
- Volunteers
- 35 people
- Sponsor
- University of Sao Paulo
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
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
Posterior Crossbite
Effectiveness of Rapid and Slow Maxillary Expansion in Treating Posterior Crossbite
This study will evaluate the efficacy of rapid maxillary expansion (RME) and slow maxillary expansion (SME) in treating posterior crossbite using cone beam computed tomography.
- Trial name
- NCT03667508
- Testing
- Rapid Maxillary Expanding Device, Slow Maxillary Expanding Device
- Where
- Syria
- Volunteers
- 34 people
- Sponsor
- Damascus 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
Cross Bite, Malocclusion
Impact of Anterior Cross Bite Treatment on Children's Speech Performance
The goal of this prospective, single-arm clinical trial is to evaluate the speech performance of children with anterior dental crossbite before and after correction.
- Conditions
- Cross Bite, Malocclusion, Speech, Quality of Life
- Trial name
- NCT06168695
- Testing
- removable anterior expansion screw, Speech and language evaluation, Oral Health Related Quality of Life (OHRQoL) Assessment
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Tanta 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
Posterior Crossbite
Tooth-Borne Versus Tooth-Bone-Borne Rapid Maxillary Expanders: A Stereophotogrammetric Evaluation of Soft Tissues
The force exerted by the rapid maxillary expansion (RME) appliances provides expansion of the transverse dimension by splitting of the midpalatal suture.
- Trial name
- NCT04828213
- Testing
- Rapid Maxillary Expansion Treatment with Tooth-borne RME appliance (Hyrax), Rapid Maxillary Expansion Treatment with Hybrid hyrax RME appliance
- Volunteers
- 32 people
- Sponsor
- Gökçenur Gökçe
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
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
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