Clinical trials: Bone Demineralization
Decayed Teeth
Effect of Bone Marrow Mononuclear Cell Layer Seeded on Platelet-rich Fibrin on an Alveolar Socket After Extraction
Bone marrow aspiration from maxillary tuberosity will be centrifuged to separate the bone marrow mononuclear cell layer using the density gradient separation method, then it will be seeded in a platelet-rich fibrin membrane and…
- Trial name
- NCT05465421
- Testing
- bone marrow aspiration from maxillary tuberosity and BMMNCs separation to be seeded on PRF and used for socket preservation
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Muscle Atrophy, Weightlessness
The Effects of Whole Body Unloading on Physiological Function
This study is a collaboration between the Centre of Human \& Aerospace Physiological Sciences (CHAPS) and the Sleep and Brain Plasticity Centre (Department of Neuroimaging) at King's College London and the Sleep Disorders Centre…
- Conditions
- Muscle Atrophy, Weightlessness, Sleep Disturbance, Astronaut-Bone Demineralisation Syndrome
- Trial name
- NCT03195348
- Testing
- HBF Bed Rest
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- King's College London
Osteoporosis, Dental Caries
Salivary Cytokines, MMP-8 and Dental Caries in Osteoporosis Patients
This study examines saliva samples from patients with osteoporosis. The levels of cytokines and Matrix Metalloproteinase-8 (MMP-8) enzyme in saliva will be measured.
- Conditions
- Osteoporosis, Dental Caries, Biomarkers, Matrix Metalloproteinase 8
- Trial name
- NCT07709247
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Afyonkarahisar Health Sciences University
Bone Demineralization, Hypoestrogenism
The Kampala Women's Bone Study
The primary objective of this study is to address critical safety questions with concurrent TDF-based PrEP and DMPA use. We hypothesize that young women using TDF-based PrEP and DMPA will have lower bone acquisition and altered…
- Conditions
- Bone Demineralization, Hypoestrogenism, Subclinical Kidney Injury, Bone Microarchitecture
- Trial name
- NCT03464266
- Testing
- FTC/TDF and DMPA, FTC/TDF, DMPA
- Where
- Uganda
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of Washington
Tooth Loss, Tooth Diseases
The Cortical Shield for Facial Bone Reconstruction
To evaluate a novel technique of bone regeneration and simultaneous implant placement in severely damaged sockets.
- Conditions
- Tooth Loss, Tooth Diseases, Tooth Fracture, Tooth Injuries
- Trial name
- NCT04827693
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Verdugo, Fernando, DDS
Dental Caries, Dental Fluoroses
Iowa Fluoride Study/Iowa Bone Development Study
A cohort of newborns was recruited for the Iowa Fluoride Study from 1992-95 to assess the complex relationships among fluoride intakes, fluoride exposures, dental fluorosis, and dental caries.
- Conditions
- Dental Caries, Dental Fluoroses, Bone Density
- Trial name
- (IFS/IBDS) (NCT03547128)
- Volunteers
- 1,882 people, healthy volunteers welcome
- Sponsor
- Steven M Levy
Caries Active, Tooth Decay
Effects of Platelet and Leukocyte-rich Fibrin on Alveolar Ridge Maintenance Through Three-dimensional Analysis
Understanding, through accurate and reliable volumetric analysis, how the biomaterial (LPRF) and the thickness of the vestibular bone plate influence changes in bone volume after extraction, is essential for making clinical…
- Conditions
- Caries Active, Tooth Decay, Tooth Loss / Rehabilitation
- Trial name
- NCT07278180
- Testing
- Alveolar socket preservation with graft and flap surgery
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Guarulhos
Dental Caries
Evaluation of Implants Placed Immediately or Delayed Into Extraction Sites
IRB4729 Study Hypothesis: Is there a significant difference in the hard and soft tissue response comparing immediate with delayed implant after tooth removal, with immediate provisionalization, in maxillary anterior sites.
- Trial name
- NCT01244997
- Testing
- Dental Implant
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Louisiana State University Health Sciences Center in New Orleans
Urolithiasis and Aging, Renal Calcul and Metabolic Diseases
Metabolic Assessment of Aging Men With Urinary Lithiasis
Urinary lithiasis is a common disease on young adults, but not so far on aging people. Nowadays, the investigators are seeing a gradative growth on men above sixty years old, mainly in industrialized countries.
- Conditions
- Urolithiasis and Aging, Renal Calcul and Metabolic Diseases, Urolithiasis and Osteoporosis
- Trial name
- NCT01246531
- Where
- Brazil
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital
Dental Caries
Evaluation of Implants Placed Immediately or Delayed Into Extraction Sites
The purpose of this study is to determine the difference in success when placing implants immediately into an extraction site compared to delaying the implant placement until the extraction site has healed.
- Trial name
- NCT00067392
- Testing
- Dental Implant
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Louisiana State University Health Sciences Center in New Orleans
Periodontal Diseases, Dental Caries
A Comparison of the Accurate Diagnosis of the Horizontal & Vertical Bitewing Images
The aims of this research are to determine if vertical bitewings will be more effective and more comprehensive for the diagnosis of caries and the level of alveolar bone loss than the horizontal bitewing technique for the…
- Trial name
- NCT04341636
- Testing
- Bitewing X ray
- Where
- Saudi Arabia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University