Clinical trials: Resorption
Orthopedic Disorder, Calcium Metabolism Disorders
High- Versus Low-calcium Water for Bone Health
The experimental study investigates which metabolic responses of calcium and parathyroid hormone are observable in blood and urine in a cohort of 41 healthy adults following a sequence of different exposures: low-calcium water…
- Conditions
- Orthopedic Disorder, Calcium Metabolism Disorders, Bone Resorption, Water-Electrolyte Imbalance
- Trial name
- NCT05772364
- Testing
- Loading of low-calcium water first, then high-calcium water
- Where
- Italy
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio
Alveolar Bone Loss
Histomorphometric and Tomographic Assessment on the Influence of the Placement of a Collagen Membrane Subjacent the Sinus Mucosa After Maxillary Sinus Floor Augmentation
the purpose of the study is to look for differences in dimensional variations of augmented maxillary sinuses with or without the placement of a collagen membrane subjacent the sinus mucosa.
- Trial name
- NCT03902457
- Testing
- Maxillary sinus augmentation
- Where
- Colombia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- ARDEC Academy
Alveolar Bone Resorption
Alveolar Ridge Preservation With Putty Allograft vs. Putty Alloplast Graft
The primary aims of this study are to compare, after 4 months, the clinical and histologic results of a combination demineralized/mineralized putty allograft vs.
- Trial name
- NCT05484492
- Testing
- demineralized and mineralized combination putty bone allograft, calcium phosphosilicate putty alloplast graft
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Louisville
Buccal Bone Thickness
Buccal Bone Resorption in Immediate Implants in Thin and Thick Buccal Plates of Bone in Esthetic Zone
To achieve esthetic immediate implants a minimum of adequate buccal bone thickness must be present. It was postulated that 2 mm of buccal bone thickness was needed to prevent recession of the buccal plate.
- Trial name
- NCT04630665
- Testing
- immediate implant placement
- Where
- Egypt
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Cairo University
Osteoporosis
The Interaction Between Calcium and Vitamin D Intake
We will study the relative importance of high calcium intake and vitamin D supplementation for calcium homeostasis, as determined by serum parathyroid hormone (PTH) and biochemical bone markers.
- Trial name
- PTH Modified (NCT00762775)
- Testing
- Calcium and vitamin D supplementation
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Winthrop University Hospital
Postmenopausal Osteoporosis, Hypovitaminosis D
Antiresorptive Effect of Treatment With Risedronate and Vitamin D in Postmenopausal Patients
Osteoporosis is defined as a systemic disease of bone mineralization, characterized by a decrease in bone mineral density that causes bone fragility and increases the risk of fractures during menopause.
- Conditions
- Postmenopausal Osteoporosis, Hypovitaminosis D, Hyperparathyroidism
- Trial name
- NCT05346419
- Testing
- Risedronate, Vitamin D
- Where
- Mexico
- Volunteers
- 33 people
- Sponsor
- Hospital Regional 1o de Octubre
Stomatognathic Disease, Mouth Disease
Periapical Bone Healing After Apicectomy With and Without Retrograde Root Filling
Ph.D project: Periapical bone healing after apicectomy with and without retrograde root filling. The aim of this study is to assess periapical bone healing after apicectomy without a filling and apicectomy combined with a…
- Conditions
- Stomatognathic Disease, Mouth Disease, Periapical Disease, Alveolar Bone Loss
- Trial name
- NCT00228280
- Testing
- Mineral Trioxide Aggregate (MTA)
- Where
- Denmark
- Volunteers
- 54 people
- Sponsor
- University of Aarhus
Alveolar Bone Loss
Effect of Buccal Fat Pad Derived Stem Cells in Maxillary Sinus Augmentation
In this study the buccal fat pad derived stem cells (BFPSCs) will be harvested from buccal fat pad tissue of patients receiving maxillary sinus augmentation.
- Trial name
- NCT02745379
- Testing
- BFPSCs+ DFDBA+ PRF, DFDBA + PRF
- Where
- Iran
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Alveolar Bone Loss
Wedge Implant Narrow Crests: Multi-center Clinical Study
This study was designed as a multicentric prospective clinical trial to assess the clinical, biological and patient's perceived success of new wedge-shaped dental implants inserted in narrow ridges.
- Trial name
- NCT03290729
- Testing
- wedge shape implants insertion
- Where
- Italy
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- International Piezosurgery Academy
Alveolar Bone Loss
Evaluation of Erythropoietin on Alveolar Ridge Preservation
regenerative materials would help in decreasing post-extraction resorption in sites indicated for placement of a conventional bridge or prosthetically driven implant.
- Trial name
- NCT06513039
- Testing
- Erythropoietin carried on chitosan carrier, chitosan carrier
- Where
- Egypt
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Clinical Efficacy
Ridge Preservation Comparing an Intrasocket Graft Alone to an Intrasocket Graft Plus a Facial Overlay Graft
The purpose of this study is to compare two methods of ridge preservation in the maxillary anterior esthetic zone to determine the best method to establish adequate bone and soft tissue to accommodate implant placement.
- Trial name
- NCT01431131
- Testing
- Intrasocket graft, Intrasocket plus facial overlay graft
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Louisville
Atrophic Maxilla
Assessment of Bone Quality and Quantity for Three Dimensional Bone Augmentation for Maxilla Using Patient Specific Titanium Meshes Loaded With Bone Marrow Aspirate Mixed With Xenograft Versus Xenograft Mixed With Autografts Only: a Randomized Clinical Trial
Assessment of bone quality and quantity for three dimensional bone augmentation for maxilla using titanium meshes loaded with bone marrow aspirate mixed with xenograft versus xenograft mixed with autografts only
- Trial name
- NCT05400044
- Testing
- Three dimensional maxillary bone augmentation
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Partially Edentulous Maxilla, Alveolar Bone Atrophy
Effectiveness and Safety of Method of Maxilla Alveolar Process Reconstruction Using Synthetic Tricalcium Phosphate and Autologous MMSCs
Autologous MMSCs will be isolated from oral mucosa biopsy sample and expanded in vitro.Tissue engineered construction will be created using synthetic tricalcium phosphate and autologous MMSCs.
- Conditions
- Partially Edentulous Maxilla, Alveolar Bone Atrophy, Alveolar Bone Loss
- Trial name
- NCT02209311
- Testing
- Oral mucosa biopsy, Sinus lift with implantation of tissue engineered construction, Dental implant
- Where
- 2 sites in Russia
- Volunteers
- 12 people
- Sponsor
- Central Clinical Hospital w/Outpatient Health Center of Business Administration for the President of Russian Federation
Alveolar Bone Loss
Demineralized Dentin Graft With Hydrochloric Acid Versus Nitric Acid in Alveolar Ridge Preservation
The reduction in alveolar bone dimensions is an inevitable outcome after tooth extraction due to the healing events that results in bone modeling/remodeling.
- Trial name
- DDG (NCT04393714)
- Testing
- Alveolar ridge preservation after extraction
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Cairo University
Alveolar Bone Loss, Alveolar Ridge Deficiency
Histological and Histomorphometric Assessment With Inflammatory Profile Analysis of Bone Tissue After Horizontal Ridge Augmentation Using Customized Porous Zirconia Shell
The goal of this clinical study is to learn whether a custom-made porous zirconia shell can support good-quality new bone when widening the lower back jaw before dental implant placement.
- Trial name
- NCT07841158
- Testing
- Customized porous zirconia shell
- Where
- Egypt
- Volunteers
- 10 people
- Sponsor
- Mohammed Mahmoud Abed
Orthodontic Treatment
Curve of Spee: Speed of Leveling Using Different Orthodontic Archwires
The objectives if this study was to evaluate the efficacy of 3 different rectangular archwires in the correction of the curve of Spee (COS), to record the time needed to level excessive COS in the mandibular arch using the 3…
- Trial name
- NCT04549948
- Testing
- 0.017X0.025 Stainless steel, 0.019X0.025 Stainless steel, 0.021X0.025 B-Titanium archwire
- Where
- Jordan
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Alveolar Bone Loss, Periodontal Diseases
Evaluation of the Effectiveness of Odontogenic Grafts Obtained From Human Teeth on Bone Formation
Tooth extraction triggers a cascade of biological events mediated by the local inflammatory response following surgical intervention and by the loss of masticatory stimulation to the periodontium.
- Conditions
- Alveolar Bone Loss, Periodontal Diseases, Periodontal Bone Loss, Periodontal Atrophy
- Trial name
- NCT07573761
- Where
- Turkey (Türkiye)
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Istanbul Saglik Bilimleri 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
Extraction Socket Healing, Extraction, Tooth
The Effect of Collagen In Tooth Extraction Procedures
This study is aimed at assessing the effect of an animal-derived collagen matrix on bone and soft tissues in the human teeth. Single-rooted teeth that are beyond restoration and in need of extraction will be included in the…
- Trial name
- NCT07270510
- Testing
- Collagen Matrix soft tissue graft
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Altinbas University
Osteolysis, Dental Implants
Regular Home-use Dual Light Photodynamic Therapy in the Prevention of Osteolysis After Dental Implant Surgery
The aim of the study is to determine whether regular use of the antibacterial, photodynamic, CE-marked Lumoral device reduces the risk of osteolysis after dental implant surgery.
- Trial name
- NCT06041828
- Testing
- Lumoral Treatment, Standard oral hygiene
- Where
- Finland
- Sponsor
- Koite Health Oy