Clinical trials: Maxillary Deficiency
Horizontal Ridge Deficiency
Evaluation of Bone Regenerated With Guided Bone Regeneration (GBR) Using Polymethylmethacrylate (PMMA) Membrane
To evaluate the quantity and quality of bone generated, radiographically and histomorphometrically, after guided bone regeneration (GBR) using a membrane of 3D printed custom made (PMMA) and subsequent stability of delayed…
- Trial name
- NCT06186232
- Testing
- guided bone regeneration (GBR).
- Where
- Egypt
- Volunteers
- 10 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
Maxillary Deficiency
Comparative Results of Maxillary Deficiency Treatment by Fixed Tongue Appliance and Fixed Facemask in Growing Patients
A new fixed appliance will be used to transfer the tongue force during its physiological activity to advance the nasomaxillary complex; this method will be compared with the traditional method which uses a facemask with a fixed…
- Trial name
- NCT00916084
- Testing
- Fixed Tongue Appliance, Fixed Face Mask
- Where
- Iran
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University
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 Sinus Augmentation
Efficacy of Different Techniques of Crestal Sinus Lifting
Twenty one patients with deficient posterior maxilla and alveolar bone height ≤ 5mm were included.Those patients randomly divided into 3 equal groups: 1.
- Trial name
- NCT05735613
- Testing
- osteotome crestal sinus lifting, osseodensification crestal sinus lifting, piezoelectric crestal sinus lifting
- Where
- Egypt
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Sandwich Osteotomy
Evaluation of Accuracy of Computer Guided Versus Conventional Segmental Sandwich Osteotomy With Immediate Implant Placement in Vertically Deficient Anterior Maxilla
In conventional segmental sandwich osteotomy technique the moving the transport segment inferiorly to increase the vertical height causes the segment to move bucco-palatally, increasing the horizontal defect.
- Trial name
- NCT04006678
- Testing
- computer guided sandwich osteotomy
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Cairo 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
Maxillary Hypoplasia, Malocclusion, Angle Class III
Effect of Bone-anchored Protraction on Maxillary Growth in the Young Child
Class III malocclusions may originate in a retrognathic maxilla, a prognathic mandible or both. Young patients with class III malocclusion and maxillary hypoplasia are conventionally treated with a protraction facemask in order…
- Trial name
- NCT02711111
- Testing
- Face mask, orthodontic bone anchor
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ziekenhuis Oost-Limburg
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
Maxillary Transverse Deficiency
Direct vs Digitally Guided Miniscrew Placement for MARPE
This randomized clinical trial compared the accuracy, primary stability, and anatomical safety of two protocols for palatal miniscrew placement in adolescents requiring maxillary skeletal expansion.
- Trial name
- MARPE-GUIDE (NCT07707596)
- Testing
- Direct appliance-guided miniscrew placement, Digitally guided CAD/CAM miniscrew placement
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- Universitat Internacional de Catalunya
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
Cleft Palate, Maxillary Hypoplasia
Does Use of Rigid Fixation After Removing Distraction Osteogenesis Device Reduce the Relapse?
patients were enrolled by the inclusion criteria and were undergo lefort 1 maxillary osteotomy. after the latency phase the distraction was done in anterior- posterior vector.
- Conditions
- Cleft Palate, Maxillary Hypoplasia, Maxillary Retrognathism
- Trial name
- NCT02350803
- Testing
- mini plate
- Where
- Iran
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shiraz University of Medical Sciences
Maxillary Deficiency, Head and Neck Neoplasms
Predictors of Patient-Reported Outcomes for Maxillectomy Patients
The success of digitally fabricated obturator rehabilitation is determined not only by the prosthesis itself but also by the interaction between patient characteristics, oncologic history, prosthetic support, and…
- Trial name
- NCT07864974
- Testing
- Digitally Fabricated Obturator Prosthesis
- Where
- Turkey (Türkiye)
- Volunteers
- 75 people
- Sponsor
- Dr. Merve Benli
Class III Malocclusion
3D Printed Reverse Twin Block for Class III Malocclusion
This RCT aims to evaluate the effectiveness of a novel 3D printed reverse twin block appliance in the management of maxillary deficiency in growing patients having class III malocclusion.
- Trial name
- 3DRTB (NCT07710391)
- Testing
- 3D printed Reverse Twin Block appliance, Conventional Reverse Twin Block appliance
- Where
- Iraq
- Volunteers
- 30 people
- Sponsor
- University of Baghdad
Cleft Lip and Palate, Maxillary Hypoplasia
Cleft Orthognathic Surgery Versus Distraction Osteogenesis - Which is Better?
Cleft lip and palate patients normally present with a sunken face due to collapse in the middle part of the face and inability of the upper and lower teeth to meet during chewing.
- Trial name
- NCT00930124
- Testing
- Orthognathic surgery, Distraction osteogenesis
- Where
- Hong Kong
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong