Clinical trials: Maxillary Constriction
Class III Malocclusion, Maxillary Deficiency
Evaluation of Pain and Functional Impairments When Treating Class III Malocclusion Using Two Treatment Procedures
A clinical examination of each recalled candidate patient will be carried out at Adib Al Lahham Centre at the Ministry of Health Damascus to ensure that he/she meets the inclusion criteria.
- Trial name
- NCT06877780
- Testing
- RMR with SME, BAIMT with RME
- Where
- Syria
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Damascus University
Apnea, Obstructive Sleep
Associations Apnoea Hypopnoea Index (AHI) and Malocclusions in Growing Patients With Maxillary Constriction
The aim of this prospective clinical study is to evaluate the association between the Apnoea Hypopnoea Index (AHI) and the type of malocclusion in pediatric patients with maxillary constriction.
- Trial name
- NCT07009535
- Testing
- Polysomnography
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- University of Pavia
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, Unilateral Posterior Crossbite
Analysis of the Dentoskeletal Effects of the Expander With Differential Opening
This study evaluates the dentoskeletal effects of the expander with differential opening in orthodontic patients in the mixed dentition.
- Conditions
- Maxillary Constriction, Unilateral Posterior Crossbite, Bilateral Posterior Crossbite, Mandibular Dental Arch Constriction
- Trial name
- NCT02810353
- Testing
- Differential rapid maxillary expansion, Conventional rapid maxillary expansion
- Where
- Brazil
- Volunteers
- 50 people
- Sponsor
- University of Sao Paulo
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
Maxillary Transversal Deficiency (Maxillary Constriction) and Perioral Muscle Pressures (Tongue, Lip, and Cheek)
Orofacial Muscle Pressure and Maxillary Transverse Development
Study Title: Investigation of the Effects of Tongue, Lip, and Cheek Pressures on the Development of Upper Jaw Narrowness Introduction and Hypothesis The structure of our face and the alignment of our teeth are influenced not only…
- Trial name
- OMPTD (NCT07552441)
- Testing
- Orolingual Manometry using IOPI Pro Deluxe Kit
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yuzuncu Yil University
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
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
Class III Malocclusion
Treating Growing Patients With Mandibular Prognathism and Maxillary Constriction
This randomized controlled trial intends to test the efficacy of two treatment protocols in the correction of Class III malocclusion with maxillary constriction.
- Trial name
- NCT06762418
- Testing
- RMR+SME, BAIMT+RME
- Where
- 2 sites in Syria
- Volunteers
- 26 people
- Sponsor
- Damascus 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
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
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
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