Clinical trials: Dimensional Changes
Socket Shield
Comparison of Peri-implant Tissues Using Socket Shield Technique Versus Xenograft
The aim of this study is to clinically and radiographically evaluate the dimensional changes of soft and hard peri-implant tissues around single immediate post-extraction implants in the esthetic zone.
- Trial name
- NCT03684356
- Testing
- socket shield technique, xenograft
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Anorexia in Adolescence, Anorexia Nervosa
3-Dimensional Optical Scanning to Assess and Monitor Malnutrition in Eating Disorders (3D-ED) Study
People with anorexia nervosa often become medically unstable because of severe malnutrition and require hospitalization for nutritional rehabilitation.
- Conditions
- Anorexia in Adolescence, Anorexia Nervosa, Anorexia Nervosa, Atypical, Anorexia Nervosa, Binge Eating/Purging Type
- Trial name
- 3D-ED (NCT07726524)
- Where
- 2 sites in United States
- Volunteers
- 90 people
- Sponsor
- University of California, San Francisco
Root Resorption, Orthodontic Appliance
Three-dimensional CBCT Analysis of Root Volume Changes Following Tooth-bone and Bone-borne Maxillary Expansion: A Pilot Study.
External root resorption (ERR) is an undesired side effect observed after rapid maxillary expansion (RME). This study aimed to investigate changes in the root volume of maxillary permanent first molars after RME using tooth-borne…
- Conditions
- Root Resorption, Orthodontic Appliance, CBCT Segmentation
- Trial name
- NCT06912568
- Testing
- Miniscrew insertion, Expander, CBCT
- Where
- Italy
- Volunteers
- 21 people
- Sponsor
- University of Roma La Sapienza
Choroid
Three-dimensional Choroidal Vascularity Index in Common Fundus Diseases
Explore the changes of choroidal blood perfusion in common fundus diseases by three-dimensional choroidal vascularity index, an optical coherence tomography (OCT) parameter.
- Trial name
- NCT04790084
- Testing
- no intervention
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Renmin Hospital of Wuhan University
Connective Tissue Graft, Volume Collagen Matrix Xenograft
Volumetric Dimensional Changes After Surgical Pontic Site Development Procedures With Connective Tissue Graft or Collagen Matrix
The aim of this research project is to compare two surgical procedures to improve soft tissue volume. Both procedures have already been validated, but despite their great clinical relevance, little data exists in the literature.
- Trial name
- NCT06335628
- Testing
- Geistlich Fibro-Gide®
- Where
- Switzerland
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Bern
Esthetic Zone, Single Tooth Lost
Cost Effectiveness of Various Implant Placement Protocols in the Esthetic Zone
Loss of teeth in the anterior upper jaw significantly affects both well-being and chewing function. Nowadays, dental implants are the treatment of choice for replacing missing teeth with fixed dental prostheses and are often…
- Conditions
- Esthetic Zone, Single Tooth Lost, Accuracy of Dental Implants, Dimensional Changes
- Trial name
- NCT05940662
- Testing
- Immediate Implant Placement, Early Implant Placement, Late Implant Placement
- Where
- Switzerland
- Volunteers
- 160 people
- Sponsor
- University of Bern
Preterm Labour
Fetal Adrenal Gland Volume Estimation Compared to Cervical Length Assessment in Prediction of Preterm Birth
If the investigators could prove that three -dimensional ultrasound measurement of fetal adrenal gland volume can accurately predict the likelihood of preterm birth in patients having symptoms and signs of PTL , they would be…
- Trial name
- NCT02351336
- Testing
- Ultrasound imaging
- Where
- Egypt
- Volunteers
- 78 people
- Sponsor
- Wessam Magdy Abouelghar
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
Immediate Implant With Loading
Evaluation of the Dimensional Alveolar Bone Changes in Immediate Post Extraction Implant Placement
The aim of this study was to evaluate the dimensional alveolar bone changes in immediate post extraction implant placement with loading compared to immediate post extraction implant placement without loading in the maxillary…
- Trial name
- NCT06515509
- Testing
- immediate implant placement with or without loading
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Atrophy of Edentulous Alveolar Ridge, Alveolar Ridge Augmentation
Evaluation of Ridge Dimensional Changes After Immediate Implantation and Efficacy of This Procedure
1. Evaluation of dimensional changes in alveolar ridge following immediate implantation compared to delayed implantation 2. evaluation of the effect of gap dimensions between socket walls and dental implant in implant stability
- Trial name
- NCT01399775
- Testing
- immediate implantation, Delayed implantation
- Where
- Iran
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Mashhad University of Medical Sciences
Relapse
"Comparative Evaluation of 3 Dimensional Changes of Dentition in Post Orthodontic Patients With Immediate vs Delayed (Post 24 Hours) Retainer Delivery
Orthodontic treatment goals can be expressed as achieving ideal tooth alignment, esthetic, functional occlusion and stability. Various occlusal changes occur after active phase of orthodontic treatment, these unwanted changes are…
- Trial name
- NCT05879601
- Testing
- immediate orthodontic retainer delivery, delayed orthodontic retainer delivery.
- Where
- India
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
Pectus Excavatum
Quantifying Changes in the Thoracic Wall After Nuss Bar Removal in Pectus Excavatum Patients Using 3D Imaging
Pectus excavatum (funnel chest) is the most common congenital anterior thoracic wall deformity. It can be associated not only with cosmetic concerns but also with psychosocial and limiting somatic complaints.
- Trial name
- CHEST (NCT07498699)
- Where
- Netherlands
- Volunteers
- 69 people
- Sponsor
- Erik de Loos
Deficient Keratinized Mucosa, Healthy
Dimensional Changes of the Keratinized Mucosa in Edentulous Ridges Following Accordian Technique Versus Conventional Free Gingival Grafts
Inadequacy of the attached keratinized tissue (<2 mm) affects the long-term maintenance of prostheses and implants due to poor oral hygiene, plaque accumulation, inflammation, bleeding on probing, gingival recession , attachment…
- Trial name
- NCT07365865
- Testing
- Expanded mesh free gingival graft ( Accordian technique ), conventional free gingival graft
- Where
- Egypt
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Cairo University
Insufficient Keratinized Gingiva
Three-dimensional Changes in Free Gingival Grafts Around Dental Implants
The purpose of this study is to evaluate the stability of the free gingival graft dimensions around dental implants and to compare three-dimensional changes according to smoking status.
- Trial name
- NCT06399198
- Testing
- Free gingival graft
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Biruni University
Deproteinized Bovine Bone Mineral Graft Dimensional Changes
Long-term DBBM Dimensional Changes in Sinus Grafting
This study aims to evaluate graft volumetric changes and stability up to 12 years after lateral sinus floor elevation with deproteinized bovine bone mineral (DBBM) as a filling material.
- Trial name
- NCT07635472
- Where
- Lebanon
- Volunteers
- 60 people
- Sponsor
- Saint-Joseph University
Dimensional Changes After Tooth Extraction, Tooth Extraaction
Alveolar Ridge Preservation Using Autogenous Whole Tooth Graft With 1 %Metformin :A Randomized Controlled Clinical Trial
This study describes a technique used to preserve the bone dimensions after the tooth extraction inorder to facilitate later on the dental implant placement
- Conditions
- Dimensional Changes After Tooth Extraction, Tooth Extraaction, Socket Preservation
- Trial name
- NCT07086859
- Testing
- TEST 1, Control
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Gingival Recession, Localized, Soft Tissue Volume Changes
3D Digital Assessment of Soft Tissue Changes After Modified FGG
The aim of this randomized controlled clinical trial is to evaluate the effects of conventional free gingival graft (FGG) and modified free gingival graft (ModFGG) techniques on soft tissue thickness, volumetric change, and…
- Conditions
- Gingival Recession, Localized, Soft Tissue Volume Changes, Keratinized Tissue Deficiency
- Trial name
- NCT07409558
- Testing
- Modified Free Gingival Graft (ModFGG), Conventional Free Gingival Graft (FGG)
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people
- Sponsor
- Kahramanmaras Sutcu Imam University
Dental Implant, Socket Preservation
Ridge Regeneration in Three Wall Sockets
There is limited data regarding socket preservation in three wall defects and no enough evidence of implant placement in previously regenerated area with allograft.
- Trial name
- NCT03548896
- Testing
- Post extraction socket
- Where
- Spain
- Volunteers
- 24 people
- Sponsor
- Universitat Internacional de Catalunya
Overweight and Obesity
Weight Loss Goals and Satisfaction Survey
The goal of this observational survey pilot study is to learn how 3D visualization tools (i.e., personalized avatars) influence weight loss goals, satisfaction, confidence, and commitment compared to numerical weight outcomes in…
- Trial name
- NCT07541872
- Testing
- Personalized 3D Body Visualization
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
Alveolar Bone Loss, Tooth Loss
Changes of Soft and Hard Tissues After Alveolar Ridge Preservation: Freeze-dried Bone Allograft vs. L-PRF Clot
A Clinical Trial to study the effectiveness between two, tooth socket grafting materials namely, Freeze Dried Bone Allograft (human derived bone particles) and Leukocytic-Platelet Rich Fibrin (the patient's own centrifuged…
- Trial name
- NCT03331185
- Testing
- Freeze Dried Bone Allograft, L-PRF clot
- Where
- Canada
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Manitoba