molar tooth loss
Conditions
Interventions
hydroxyapatite/collagen composite material
octacalcium/collagen composite material
Sponsors
Nagasaki University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients aged 20 years or olde but under 90 years at the time of consent acquisition Patients seeking implant treatment in the molar region Patients who require tooth extraction at the relevant site and need ARP to prevent bone resorption The difference in alveolar bone height between buccal and lingual or palatal sides is within 5 mm Patients who have provided written consent to participate in the study
Exclusion criteria
Exclusion criteria: Patients with acute inflammation at the treatment site Smokers (10 or more cigarettes per day) Pregnant patient Patients with a history of allergy to collagen Patients with uncontrolled metabolic disorders (diabetes, osteomalacia, thyroid disease, severe liver or kidney disease) Patients who are taking long term steroid or immunosuppressive drugs for autoimmune diseases, etc Patients taking antiresorptive agents Patients undergoing radiation therapy Other patients who are not adequate to participate this study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Vertical bone formation on CBCT images 3 months after ARP | — |
Secondary
| Measure | Time frame |
|---|---|
| Bone formation volume (volume percentage relative to the extraction socket) on CBCT images 3 months after ARP Buccal bone height on CBCT images 3 months after ARP Changes in alveolar ridge volume captured using intra oral scanner 3 months after ARP Histological comparison of bone formation at the time of implant placement | — |
Countries
Japan
Contacts
Public ContactTetsurou Odatsu
Naasaki University Department of Applied Prosthodontics
Outcome results
None listed