Clinical trials: Tooth-loss
Malocclusion, Angle Class II
Effects of Power Arm Application in Maxillary Canine Distalization
The aim of this study is to investigate the effects of a canine distalization force applied between power arms placed on the maxillary canine and first molar, in comparison with the classical method without power arms.
- Conditions
- Malocclusion, Angle Class II, Tooth Movement Techniques, Orthodontic Anchorage Procedures
- Trial name
- NCT07866976
- Testing
- Canine and molar power arms, Conventional canine retraction
- Where
- Turkey (Türkiye)
- Volunteers
- 16 people
- Sponsor
- Atlas University
Bone Loss, Alveolar
L-PRF in Alveolar Ridge Preservation
The effect of leucocyte- and platelet-rich fibrin (L-PRF) for enhancing the healing after dental extractions is still a matter of debate.
- Trial name
- L-PRF (NCT03408418)
- Testing
- Platelet-rich fibrin
- Where
- Brazil
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Rio de Janeiro State University
Missing Teeth
Evaluation Of Innovative 3D Printed Space Maintainer Versus Conventional One
The primary aim of this study is to introduce a new effective and efficient 3D printed design of an intra-oral space maintainer.
- Trial name
- NCT04221243
- Testing
- 3D printed space maintainer by NextDent Ortho Rigid, Conventional Band and Loop
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Farah Ahmed Barakat
Missing Teeth
Single-retainer Lithium Di-silicate Versus Zirconia Resin Bonded Bridge for Replacement of an Anterior Missing Tooth.
First, Participants in this study will be recruit according to inclusion criteria. Proper examination for the participants (clinically and radiographically). Preparation for abutment tooth for Resin bonded fixed partial denture.
- Trial name
- RBFPD (NCT05861921)
- Testing
- Single-retainer Lithium Di-silicate Resin Bonded Fixed Partial Denture
- Where
- Egypt
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Cairo University
Malocclusion Class II, Malocclusion, Angle Class I
Effect of Early Versus Late Premolar Extraction on Orthodontic Tooth Movement
The goal of this randomized controlled trial is to evaluate whether the timing of premolar extraction affects the rate of orthodontic space closure during en-masse anterior retraction.
- Trial name
- NCT07773389
- Testing
- Early Maxillary First Premolar Extraction, Late Maxillary First Premolar Extraction
- Where
- Pakistan
- Volunteers
- 26 people
- Sponsor
- Shifa College of Dentistry
Missing Teeth
No-preparation Resin Bonded Bridges for the Replacement of Single Missing Teeth
Tooth replacement is a significant issue in the World. Such replacement is considered important by patients to improve aesthetics, function and quality of life. Tooth replacement is therefore a significant issue.
- Trial name
- NCT03029637
- Testing
- RBBs with no or minimal preparation of their abutment teeth, RBBs with routine tooth preparation of their abutment teeth
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Malocclusion, Malocclusion in Children
Does the Generation to Which the Operator Belongs Influence the Orthodontic Miniscrew Insertion Accuracy in Dynamic Computer-guided Surgery?
The goal of this clinical trial is to access the miniscrew accuracy insertion via dynamic computer-guided systems, inserted by three different clinicians belonging to three different generations, in childern in late mixed…
- Conditions
- Malocclusion, Malocclusion in Children, Malocclusion; Displaced or Missing Teeth
- Trial name
- NCT06661551
- Testing
- Miniscrew insertion in dynamic-computer guided surgery
- Where
- Italy
- Volunteers
- 36 people
- Sponsor
- University of Roma La Sapienza
Dental Caries, Teeth Loss
Impact of the Radiographic Examination on Diagnosis and Treatment Decision of Caries Lesions in Primary Teeth
Radiographs have been used to aid dentists in detecting the presence of cavities in the deciduous teeth of children. This procedure is globally recommended because the conventional clinical examination usually overlooks some…
- Conditions
- Dental Caries, Teeth Loss, Quality of Life
- Trial name
- CARDEC-1 (NCT02078453)
- Testing
- Dental treatment
- Where
- Brazil
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Oral Health, Dental Caries
The Use of Artificial Intelligence in the Dental X-rays Analysis
This cross-sectional study aims to perform a population-based assessment of the incidence of decay, dental fillings, root canal fillings, endodontic lesions, implants, implant and dental abutment crowns, pontic crowns, and…
- Conditions
- Oral Health, Dental Caries, Periapical Diseases, Tooth Loss
- Trial name
- NCT06258798
- Testing
- Taking a dental X-ray
- Where
- Poland
- Volunteers
- 1,025 people
- Sponsor
- Hospital of the Ministry of Interior, Kielce, Poland
Tooth Movement
Alignment Efficiency and Coating Durability of Aesthetic Archwires
This study investigates the efficiency of orthodontic aesthetic archwires which are coated with tooth-colored materials and the durability of the coatings after being used.
- Trial name
- RCT (NCT03876184)
- Testing
- Aesthetic archwires, Control group
- Where
- 3 sites in Malaysia
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Universiti Sains Malaysia
Tooth Loss, Dental Implant
A 36-month Analysis of the Clinical Performance of Individualized CAD/CAM-produced Dental Implants: a Cohort Study
The goal of this prospective cohort study is to evaluate the clinical performance of a new generation of customized CAD/CAM pre-fabricated root-analog dental implants over a 36-month period.
- Trial name
- NCT06576284
- Where
- Brazil
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Malocclusion, Crowded Teeth
Factors Affecting Attachment Loss in Clear Aligner Treatment
This prospective clinical study evaluated the incidence of composite attachment loss in patients undergoing clear aligner treatment and identified patient-, tooth-, and treatment-related factors associated with attachment…
- Conditions
- Malocclusion, Crowded Teeth, Attachment
- Trial name
- NCT07352644
- Testing
- Clear Aligners with Composite Attachments
- Where
- Turkey (Türkiye)
- Volunteers
- 4 people
- Sponsor
- Bezmialem Vakif University
Malocclusion, Canine Retraction
Comparing Ligation Methods During Canine Retraction Stage Using Conventional Brackets
The goal of this Randomized Controlled Trial (RCT) is to determine the most effective way to tie the main wire to the regular orthodontic brackets during the stage of orthodontic treatment where the canines are retracted.
- Trial name
- NCT07063186
- Testing
- Group A - Elastomeric power chain on all bracket wings., Group B - Stainless steel ligatures with elastomeric power chain placed over all bracket wings., Group C - Elastomeric modules on mesial wings and power chain on distal wings.
- Where
- Malaysia
- Volunteers
- 60 people
- Sponsor
- International Islamic University Malaysia
Eye Diseases Hereditary, Retinal Disease
Inherited Retinal Degenerative Disease Registry
The My Retina Tracker® Registry is sponsored by the Foundation Fighting Blindness and is for people affected by one of the rare inherited retinal degenerative diseases studied by the Foundation.
- Conditions
- Eye Diseases Hereditary, Retinal Disease, Achromatopsia, Bardet-Biedl Syndrome
- Trial name
- MRTR (NCT02435940)
- Where
- United States
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Foundation Fighting Blindness
Orthodontics, Bracket Bonding
Comparison of Bond Failure with Resin-modified Glass Ionomer Cement and Visible Light-cure Composite Bonding Material in Adult Orthodontic Patients - a Split-Mouth, Randomized Controlled Trial
In this split mouth study design, 34 orthodontic patients coming for fixed appliance treatment will be bonded with standard light-cure composite bonding material and intervention of Resin Modified Glass Ionomer Cement (RMGIC).
- Conditions
- Orthodontics, Bracket Bonding, Malocclusion; Displaced or Missing Teeth
- Trial name
- RMGIC (NCT06602154)
- Testing
- Resin modified glass ionomer
- Where
- 2 sites in Pakistan
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Aga Khan University Hospital, Pakistan
Modified Fixed Bridge
3D Printed vs CAD/CAM Rehabilitation of Primary Anterior Teeth Loss
compare 3D Printed versus CAD/CAM fabricated modified fixed appliance for rehabilitation of premature loss of anterior teeth in preschool children
- Trial name
- NCT07752147
- Testing
- 3D Printed modified fixed bridge, CAD/CAM fabricated modified fixed bridge
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Tanta University
Oral Health, Dental Caries in Children
What do Parents Know About Space Maintainers
Space maintainers are frequently used to prevent malocclusion problems in early primary tooth loss. Oral health literacy is defined as the capacity of individuals to learn, understand and evaluate basic oral health information.
- Conditions
- Oral Health, Dental Caries in Children, Tooth Loss
- Trial name
- NCT06162754
- Testing
- A questionnaire and TREALD scales were applied to parents.
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 600 people
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Bone Loss, Alveolar, Tooth Loss
Tooth Autotransplantation and Bone Dimension Changes
Tooth autotransplantation is a treatment option to replace tooth with imposible prognosis. In several cases the receipt site has a reduced bone dimension.
- Conditions
- Bone Loss, Alveolar, Tooth Loss, Bone Atrophy, Alveolar
- Trial name
- NCT03927937
- Testing
- AUTOTRANSPLANTATION TOOTH
- Where
- Spain
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universidad de Murcia
Tooth Loss, Tooth Injury
Clinical and Radiological Evaluation of Dental Autotransplantation in the Anterior Region in Young Patients
This study aims to evaluate the clinical, radiographic, functional, and patient-reported outcomes of premolar autotransplantation used to replace anterior maxillary teeth in young patients.
- Trial name
- YATA (NCT07314580)
- Testing
- Premolar Autotransplantation
- Where
- Spain
- Volunteers
- 50 people
- Sponsor
- University of Barcelona
Periodontitis
Tooth Loss in Periodontitis Patients
Tooth loss in periodontitis patients is associated with patient and site factors as well as with treatment provided. Not much is known about long-term tooth loss in periodontitis patients in private practice in the UK.
- Trial name
- NCT02091258
- Where
- 2 sites in United Kingdom
- Volunteers
- 200 people
- Sponsor
- University College, London