Clinical trials: Mandible
Maxillary Deficiency
Maxillary Expansion: Leaf Expander Versus Hyrax Expander
The aim of the current study was to evaluate maxillary and mandibular arch widths' response to five different appliances and clinical protocols (Rapid maxillary expander RME, Leaf Expander 450g, Leaf Expander 900g, Self-expander…
- Trial name
- LEAF (NCT05135962)
- Testing
- orthodontic - rapid maxillary expansion, orthodontic - slow maxillary expansion with leaf expander, orthodontic - slow maxillary expansion with self leaf expander
- Volunteers
- 200 people
- Sponsor
- University of Genova
Maxillary Hypoplasia
Skeletal and Dental Changes with Hyrax-type Rapid Maxillary Expander Anchored to Permanent Versus Deciduous Molars
The aim of the study is to compare the skeletal and dental maxillary expansion obtained with an Hyrax tooth-borne expander anchored either on the 2nd deciduous molars (V) or on the 1st permanent molars (6)
- Trial name
- DENTHYRAX (NCT05773573)
- Testing
- Experimental group, Control group
- Where
- France
- Volunteers
- 34 people
- Sponsor
- University Hospital, Montpellier
Skeletal Class II Malocclusion, Mandibular Retrognathia
Fixed Versus Conventional Twin Block Appliances for Skeletal Class II Malocclusion
This study compares two types of dental appliances a fixed Twin Block appliance and a conventional (removable) Twin Block appliance used to treat a bite problem called skeletal Class II malocclusion in growing children and…
- Trial name
- NCT07687927
- Testing
- Conventional Twin Block Appliance
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
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
Mandibular Abscess
Healing Potentiality of Trypsin and Alpha Chemo Trypsin in Mandibular Molars With Chronic Apical Abscess
assessment of healing potentiality of peri apical lesions using different doses of trypsin and alpha chemo trypsin in mandibular molars with chronic apical abscess
- Trial name
- NCT06164509
- Testing
- Alphintern® , tablet, Amoun, Egypt
- Where
- Egypt
- Volunteers
- 45 people
- Sponsor
- Ain Shams University
Facial Fractures, Maxillofacial Injuries
Epidemiological and Statistical Study of Facial Traumatic Fractures at Assiut University Trauma Hospital
Facial traumatic fractures represent a significant global and regional health burden that can impair essential functions such as breathing, speaking, and chewing, while carrying substantial functional and psychological…
- Conditions
- Facial Fractures, Maxillofacial Injuries, Mandibular Fractures, Maxillary Fractures
- Trial name
- NCT07827209
- Volunteers
- 50 people
- Sponsor
- Assiut University
Orthodontic Appliance Design, Retrognathism
Effect of the Innovated Seifi's Functional Appliance on Skeletal and Dentoalveolar Changes of Class II/ 1, Deep Bite
For improving the appearance of protruded upper front teeth when lower front teeth may touch palatal mucosa or have proximity to that; the innovated Seifi's Functional Appliance may be used.
- Conditions
- Orthodontic Appliance Design, Retrognathism, Malocclusion, Angle Class II, Deepbite
- Trial name
- Seifi-Fx (NCT00688233)
- Testing
- Seifi's Functional
- Where
- Iran
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Mild to Moderate Anterior Mandibular Segment Crowdind
Acceleration of Orthodontic Tooth Movement
EVALUATION OF EFFICACY OF LOCALLY INJECTED Vitamin D3 (calcitriol or 1.25 dihidroxicolecalciferol) IN ACCELERATING ORTHODONTIC MOVEMENT Design: A randomized, controlled, crossover, double-blind clinical study including Eighteen…
- Trial name
- NCT05560919
- Testing
- Dihydroxycholecalciferols, dimethyl sulfoxide, serum
- Where
- Syria
- Volunteers
- 18 people
- Sponsor
- Latakia University
CLASS II DIVISION 1 MALOCCLUSION
Response of Individuals With Class II Malocclusion
This investigation aims at distinguishing the subjects that react in a favorable way to the treatment protocol we propose for the Class II treatment
- Trial name
- NCT00248014
- Testing
- Mandibular Advancement Via A Functional Appliance
- Where
- Greece
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Temporomandibular Joint Disorder
Study of Etanercept and Celecoxib to Treat Temporomandibular Disorders (Painful Joint Conditions)
This 2-part study will evaluate the effectiveness and side effects of two anti-inflammatory drugs for relieving pain and improving jaw function in patients with temporomandibular disorder (TMD).
- Trial name
- NCT00001955
- Testing
- Etanercept, Celecoxib
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Crowding of Anterior Mandibular Teeth
Using Multi-looped Lingual Retainer to Relief Anterior Mandibular Crowding
this study aim to evaluate the multi-looped lingual retainer activated by a new method to relief the anterior crowding
- Trial name
- NCT06337435
- Testing
- multi-looped wire
- Where
- Egypt
- Volunteers
- 12 people
- Sponsor
- Cairo University
Orthopedic Disorder
Evaluation of Architectural Changes in Mandibular Bone Pattern After Functional Treatment by Fractal Dimension Analysis
In this study it was aimed to examine the changes in mandibular bone after functional treatment by using fractal dimension (FD) and cortical thickness (CT) analysis.
- Trial name
- NCT04730115
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Mandibular Tumors
Aesthetic Reconstruction of Onco-surgical Mandibular Defects Using FFF With and Without CAD/CAM Customized Cutting Guide
The purpose of this study is to compare Aesthetic results and operation time of free fibular flap with and without CAD/CAM customized osteotomy guide for reconstruction of mandibular defects.
- Trial name
- NCT03757273
- Testing
- FFF with CAD/CAM customized cutting guide, FFF without customized cutting guide
- Where
- Egypt
- Volunteers
- 22 people
- Sponsor
- Cairo University
Sever Mandibular Bone Resorption, Sensory Defect
Inferior Alveolar Nerve Translocation With Dental Implant Placement in Severely Resorbed Mandibles
This study investigates the effects of inferior alveolar nerve lateralization on the post-implant insertion sensory outcome for patients with severe mandibular bone resorption.
- Conditions
- Sever Mandibular Bone Resorption, Sensory Defect, Implant Failure
- Trial name
- NCT07104994
- Testing
- Dental implant
- Where
- Yemen
- Volunteers
- 9 people
- Sponsor
- University of Science and Technology, Yemen
Maxillary Retrusion, Nasal Airway Obstruction
Evaluation of the Effect of Three Types of Rapid Maxillary Expanders (Conventional, Hybrid and MSE)
Aim of the study: To compare radiographically the morphometric changes in the nasal airway after using three types of rapid maxillary expansion (RME) conventional hyrax (CH), hybrid hyrax (HH) and maxillary skeletal expander…
- Trial name
- NCT05446714
- Testing
- CH 4 band, HH 2 bands, MSE 2 bands and 4
- Where
- Egypt
- Volunteers
- 54 people
- Sponsor
- Al-Azhar University
3d Printing, Facial Symmetry
Whole vs Segmented 3D Models for Mandibular Reconstruction
Three-dimensional (3D) printing is increasingly used in surgery to help doctors plan and perform complex operations with greater accuracy.
- Conditions
- 3d Printing, Facial Symmetry, Free Fibular Flap, 3d Model
- Trial name
- NCT07365085
- Testing
- 3D-printed surgical guide - segmented model, 3D-printed surgical guide - whole mandible model
- Where
- Indonesia
- Volunteers
- 36 people
- Sponsor
- Universitas Indonesia
Marginal Bone Loss Around Implants
Radiographic and Retention Evaluation Over Seven Years for Four Implant Retained Overdenture
ABSTRACT Statement of the problem: Insufficient long-term retrospective data is evaluating marginal bone loss and retention of four-implant Locator-retained mandibular overdentures.
- Trial name
- NCT07536776
- Testing
- implant retained overdenture, four dental implant with locator attachment
- Where
- Egypt
- Volunteers
- 27 people
- Sponsor
- Mansoura University
Hemifacial Microsomia
Computer Guided for Mandibular Distraction Osteogenesis
Objectives: Distraction Osteogenesis is an integral part in management of mandibular defects associated with Hemifacial Microsomia (HFM) and post-ankylotic mandibular defects.
- Trial name
- NCT03869021
- Testing
- 3D printed surgical guide constructed, free hand surgery
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Yasser Mohamed Nabil Ahmed Khirat El Hadidi
Myogenic Temporomandibular Joint Disorders, Internal Derangement of the Tempromandibular Joint
Adjustment Technique for Occlusal Stabilizing Splint
This study aims to clarify the technique of occlusal stabilizing splint adjustment then to assess the overall clinical outcomes and patient satisfaction.
- Conditions
- Myogenic Temporomandibular Joint Disorders, Internal Derangement of the Tempromandibular Joint, Temporomandibular Disorders (TMDs), Temporomandibular Joint Disc Displacement
- Trial name
- NCT07397013
- Testing
- Stabilizing Splint(3-point of Contact), Stabilizing Splint (Centric and Eccentric)
- Where
- Egypt
- Volunteers
- 800 people
- Sponsor
- Mansoura University
Inferior Alveolar Nerve Block
Pain and Anxiety Control During Traditional Mandibular Anesthesia in Children Using Distracting Tools
The aim of this study is to evaluate the effectiveness of two different audiovisual distraction techniques (Audio Video eyeglasses "VR BOX"/ Tablet) in the management of anxious pediatric patients during inferior alveolar nerve…
- Trial name
- NCT03428282
- Testing
- VR Box, Tablet Device, Anesthesia
- Where
- Syria
- Volunteers
- 102 people
- Sponsor
- Damascus University