Clinical trials: Maxillary Expansion
Cleft Lip and Palate
Transverse Dento-skeletal Effects of Two Rapid Palatal Expansion Appliances in Cleft Lip and Palate Patients
Aim of the study: to compare the effect of Hyrax appliance and the Haas appliance improving the transverse skeletal and dental dimensions in cleft lip and palate patients during mixed dentition.
- Trial name
- NCT04236466
- Testing
- hyrax appliance, haas appliance
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Palatal Expansion Technique, Malocclusion
Comparison Between Two Rates of Activation of Miniscrew-Supported Upper Jaw Expander in Adolescents
Miniscrew-supported maxillary expanders provide advantages over conventional tooth-supported expanders. However, there is no consensus in the literature regarding their activation protocol.
- Conditions
- Palatal Expansion Technique, Malocclusion, Posterior Crossbite, Maxillary Hypoplasia
- Trial name
- NCT04225637
- Testing
- Miniscrew-Supported Maxillary Expander- Slow activation, Miniscrew-Supported Maxillary Expander- Rapid activation
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Alexandria University
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
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
Orthodontic Appliance Complication, Dental Malocclusion
Changes in the Upper Airway Volume After Rapid Maxillary Expansion in Adults Using Pure Skeletal Anchorage
The objective of this study is to evaluate the effect of bone-anchored rapid maxillary expansion (RME) in the volume of the right maxillary sinus, left maxillary sinus and nasal and maxillary sinus airway complex, through bone…
- Conditions
- Orthodontic Appliance Complication, Dental Malocclusion, Bone Anchored Rapid Maxillary Expansion, Maxillary Hypoplasia
- Trial name
- NCT05831722
- Testing
- Rapid Maxillary Expansion
- Where
- 3 sites in Spain
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Salamanca
Maxillary Dysostosis (Disorder)
New Maxillary Expansion Technique in Adults
Previous studies confirmed that MARPE (Mini-screw Assisted Rapid Palatal Expansion) technique resulted in transverse skeletal expansion without the undesired dentoalveolar compensations or drawbacks.
- Trial name
- ALT/MARPE (NCT04908540)
- Testing
- Mini-screw Assissted Rapid Palatal Expansion
- Where
- Malaysia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universiti Sains Malaysia
Alveolar Bone Loss
Magnetic Mallet and Piezotome in Atrophic Anterior Maxillary Ridge Expansion With Simultaneous Bone Graft and Implant Placement (
Background: teeth loss in the anterior maxilla initiate residual ridge resorption, especially in the anterior region. The consequence of this resorption is a gradual medial or palatal shift of the crest of maxilla.
- Trial name
- NCT07467369
- Testing
- ridge expansion by magnetic mallet, ridge expansion by piezotome
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Alexandria University
Maxillary Protraction in Class III Adolescent After Using (MSE)
Evaluation of Two Protocol of Maxillary Protraction in Class III Adolescent After Using (MSE)
The aim of this study of this study is to compare two protocol of maxillary protraction in class III adolescent after using (MSE) Alt-RAMEC vs conventional rapid palatal expansion using cone beam computed tomography (CBCT)
- Trial name
- NCT05489302
- Testing
- Maxillary skeletal expander with protraction face mask with Alt-RAMEC protocol., Maxillary skeletal expander with protraction face mask with conventional protocol
- Where
- Egypt
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Maxillary Deficiency, Cleft Lip and Palate
Evaluation of Maxillary Expansion Using Clear Aligners' Therapy in Patients With Cleft Lip and Palate at the Mixed Dentition Stage
The goal of this clinical trial is to learn if the aligners can expand upper dental arch in patients with cleft lip and palate at age of 6-8 years old to correct their collapsid archs.
- Trial name
- Pilot (NCT06994754)
- Testing
- clear aligners
- Where
- Egypt
- Volunteers
- 10 people
- Sponsor
- Cairo University
Skeletal Class III Malocclusion
Efficacy of RME and Facemask Therapy for Class III Malocclusion
This multicenter randomized controlled trial compares the efficacy of Rapid Maxillary Expansion (RME) combined with facemask (FM) protraction versus FM protraction alone in treating growing children with skeletal Class III…
- Trial name
- NCT07053683
- Testing
- Combined RME and Facemask Therapy, Facemask Therapy Alone
- Where
- China
- Volunteers
- 358 people
- Sponsor
- Wuhan Integrated Traditional Chinese and Western Medicine Hospital
Class II Malocclusion
Effectiveness of Modified Functional Appliance With Expander
This clinical trial compares the effectiveness of a myofunctional appliance that uses a clear and modified twin block appliance with an expander made from 2mm biocompatible polyethylene terephthalate modified with Glycol…
- Trial name
- NCT06116500
- Testing
- Modified twin block appliance with expander, Conventional twin block appliance with expander
- Where
- Iraq
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
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
Palatal Expansion Technique, Posterior Crossbite
Miniscrew-assisted Rapid Palatal Expansion With and Without Corticopuncture
Rapid palatal expansion aims at skeletally correcting the transverse maxillary deficiency by applying forces to separate the mid-palatal suture.
- Conditions
- Palatal Expansion Technique, Posterior Crossbite, Maxillary Hypoplasia, Malocclusion
- Trial name
- NCT05543460
- Testing
- MARPE with Corticopunctures, MARPE
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Alexandria University
Obstructive Sleep Apnea Syndrome
Management of Obstructive Sleep Apnea (OSA) in Children and Maxillary and Mandibular Development
Assessment of the association of maxillary expansion using a rapid palatal expansion, use of a mandibular advancement appliance (MGA™) and of a device allowing sleep in a semi-seated position (Yoobreath™) in patients with…
- Trial name
- SAOS (NCT03267927)
- Testing
- Rapid palatal expansion, MGA™ system, Yoobreath™ system
- Where
- France
- Volunteers
- 4 people
- Sponsor
- Rennes University Hospital
Maxillary Expansion
Micro-invasive Methods of Mid-palatal Sutural Separation
This trial aims to evaluate the effect of different micro-invasive methods (piezoelectric and micro-osteoperforation) along with tooth-tooth borne RPE compare to tooth-bone borne MARPE on the amount of mid-palatal sutural…
- Trial name
- NCT05740592
- Testing
- micro-osteoperforations ,microincision
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Baghdad