Clinical trials: Mandibular Deficiency
Adiposity, Micrognathism
A Fatty Flap Taken From the Double Chin for Chin Enhancement: a New Surgical Technique
The double chin is a troublesome component of the lower third of the face. It gives an embarrassing and unpleasant facial appearance to both men and women leading them to ask for liposuction.
- Trial name
- NCT05515016
- Testing
- chin enhancement with a fatty flap sculpted from the double chin
- Volunteers
- 10 people
- Sponsor
- Mohamed Tahar Maamouri University Hospital
Class II Malocclusion
The Use of an Esthetic Twin Block for Patients With Mandibular Retrusion
This experimental study will evaluate the effect of an esthetic Twin-block appliance on the correction of class II malocclusion compared with the traditional Twin-block appliance.
- Trial name
- NCT05418413
- Testing
- CTB, ETB
- Where
- Syria
- Volunteers
- 50 people
- Sponsor
- Damascus University
Maxillary Deficiency, Bone Resorption
Using Chin Bone Rings for Sinus Lifting and Dental Implants in One Surgery
This study evaluates the Bone Ring Technique, a single stage procedure that combines external sinus floor elevation and dental implant placement using an autogenous bone ring harvested from the chin.
- Trial name
- BRT-SINUS (NCT07619846)
- Testing
- Bone Ring Technique (BRT)
- Where
- Syria
- Volunteers
- 10 people
- Sponsor
- Damascus University
Maxillary Deficiency
Paranasal Sinus Volumes of Maxillary Deficiency Patients Requiring Le Fort Osteotomy
The present study aims to compare ethmoid, sphenoid and maxillary sinus volumes of patients with maxillary deficiency requiring Le Fort osteotomy with healthy patients, by employing computed tomography imaging.
- Trial name
- NCT04637568
- Testing
- Computerized tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ankara University
Alveolar Bone Loss, Edentulous Jaw
Alloplastic Graft vs Xenograft for Horizontal Alveolar Ridge Augmentation
This prospective split-mouth randomized controlled trial compared horizontal alveolar ridge augmentation using alloplastic bone graft versus xenograft, both performed simultaneously with implant placement using the decompression…
- Trial name
- NCT07608744
- Testing
- Alloplastic bone graft, Xenograft
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ege 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
Peri-implant Soft Tissue Deficiency, Insufficient Peri-implant Keratinized Tissue
CTG Versus Collagen Matrix for Peri-Implant Soft Tissue Augmentation
This randomized controlled trial compares two techniques for peri-implant soft tissue augmentation in the mandibular molar region: an autogenous connective tissue graft (CTG) and a collagen matrix.
- Trial name
- NCT07371481
- Testing
- Collagen Matrix, Connective Tissue Graft
- Where
- Vietnam
- Volunteers
- 46 people
- Sponsor
- Hanoi Medical University
Horizontal Bone Augmentation, Horizontal Ridge Deficiency
Computer Guided Modified Ridge Splitting Versus Free Hand Technique in Horizontal Deficiency in Posterior Mandible
To assess the accuracy of the computer assessed guides in horizontal bone augmentation achieved at posterior mandible using guided modified ridge splitting technique versus free hand modified ridge splitting technique
- Trial name
- NCT06195761
- Testing
- computer guided modified ridge splitting technique in horizontal bone deficiency in posterior mandible, free hand modified ridge splitting technique in horizontal bone deficiency in posterior mandible
- Where
- Egypt
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Cairo University
Vertical Ridge Deficiency, Horizontal Ridge Deficiency
Vertical and Horizontal Mandibular Ridge Augmentation Techniques
The purpose of this study is to compare alveolar ridge augmentation outcomes of two types of membranes for vertical and horizontal mandibular ridge augmentation: Customized CAD/CAM Titanium Mesh versus Reinforced Perforated PTFE…
- Trial name
- NCT06636084
- Testing
- Guided bone regeneration (GBR)
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Michigan
Growth Modification
Three-Dimensional Assessment of Dentoskeletal Changes Associated With a Modified Twin Block Appliance
The aim of the current study is to evaluate the skeletal, dental, soft tissue, TMJ, and upper airway size changes associated with a new design of twin block compared to the conventional twin block appliance.
- Trial name
- NCT06589206
- Testing
- modified design of twin block
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Mandibular Hypoplasia
Juvederm Voluma® XC for the Treatment of Hypoplastic Chin
This is a single center study of the safety and efficacy of Juvedérm Voluma for the treatment of hypognathism. Each qualified subject will undergo treatment with Juvedérm Voluma in the anterior and lateral chin for volume…
- Trial name
- VolumaChin (NCT02330016)
- Testing
- Voluma XC
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Kenneth Beer
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
Horizontal Ridge Deficiency, Block Graft
Horizontal Ridge Augmentation of the Mandible Autogenous Block Grafts
20 subjects presenting with horizontal mandibular ridge width less than 5 mm were selected and randomly divided two groups (10 in each group).
- Trial name
- NCT03183336
- Testing
- ridge split interpositional block graft, decortication Onlay block graft
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Class II Division 1 Malocclusion
Effect of Modified Twin Block in Skeletal Class II Growing Females With Mandibular Deficiency
The aim of this study is to evaluate the treatment effects of conventional twin block appliance versus modified twin block appliance in the treatment of patients in growing stage having skeletal class II division 1 with…
- Trial name
- NCT03635463
- Testing
- twin block appliance, modified twin block appliance
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Malocclusion, Angle Class II
Effects of Modified Fixed Twin Block Versus Removable Twin Block on Skeletal Class 2 Growing Patients With Mandibular Deficiency
Effects of modified fixed twin block versus removable twin block on skeletal class 2 growing patients with mandibular deficiency: A Randomized Clinical Trial
- Conditions
- Malocclusion, Angle Class II, Mandible Small
- Trial name
- NCT05993156
- Testing
- modified Fixed twinblock, removable twin block
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Cairo University
Maxillary Deficiency, Maxillary Retrusion
Effects of Conventional Versus Skeletally Anchored Facemask in Treatment of the Prepubertal Skeletal Class III Patients
The aim of this study will be directed to the assessment of dentoskeletal effects concomitant with skeletally anchored maxillary protraction in orthodontic skeletal Class III patients.
- Trial name
- NCT05089396
- Testing
- Maxillary protraction
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Thyroid Diseases
Comparing Harmonic Ultrasonic Scalpel to Small Jaw Bipolar Device in Thyroid Surgery
Energy devices are used routinely during thyroid surgery to aid surgical dissection and to stop bleeding. The newer generation energy devices have several advantages over older machines.
- Trial name
- NCT01765686
- Testing
- Harmonic Scalpel (Ethicon Endo-Surgery, USA), Ligasure Small Jaw (Covidien, USA)
- Where
- 2 sites in Singapore
- Volunteers
- 100 people
- Sponsor
- National Cancer Centre, Singapore
Skeletal Malocclusion
Cephalometric Evaluation of a Clear Mandibular Advancement Appliance Based on the Twin-block Design
This study evaluates the cephalometric effects of a clear mandibular advancement appliance for the treatment of skeletal class II growing patients suffering from mandibular deficiency.
- Trial name
- NCT03824574
- Testing
- Clear Mandibular Advancement Appliance
- Volunteers
- 20 people
- Sponsor
- Ain Shams University
Maxillary Deficiency
Comparative Results of Maxillary Deficiency Treatment by Tongue Plate and Facemask in Growing Patients
A new 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 appliance.
- Trial name
- NCT00519415
- Testing
- Tongue plate, Facemask
- Where
- Iran
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Maxillary Deficiency
Maxillary Sinus Augmentation Via the "Bone Lid Technique"
Maxillary sinus augmentation is one of the most performed procedures to increase the bone quantity of the atrophic maxilla in order to allow implant placement.
- Trial name
- SINUSLID_2023 (NCT06222970)
- Testing
- Bone lid repositioning in course of sinus lift
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- University of Pisa