Dentition defect
Conditions
Interventions
bone defect group :none
intact socket :none
Sponsors
Department of Oral Implantology, Hospital of Stomatology of Jilin University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. The patient voluntarily participated and signed the informed consent form; 2. Age = 18 years old; 3. The posterior teeth need to be extracted due to caries, chronic periodontal disease, chronic periapical disease, tooth fracture, etc; 4. The bone wall of the alveolar fossa is complete, or the defect is limited to the buccal or hyoid wall, and does not affect the adjacent inter-root bone; 5. The width of the proximal and distal bone at the affected tooth site = 6.5mm; 6. Sufficient volume of natural bone to ensure the primary stability of the implant; 7. The soft tissue is healthy and free from defects; 8. There are enough CBCT scans, apical films and clinical data for analysis.
Exclusion criteria
Exclusion criteria: 1. The patient is pregnant or lactating at any time during the study period; 2. The patient has uncontrollable endocrine, immune or metabolic changes during the study; 3. Lack of initial stability of implant or peak implant torque>60 Ncm; 4. Poor oral hygiene and enthusiasm (plaque index>20%), uncontrolled periodontal disease, or active infection or inflammation at the implant site; 5. Have any drug history that may affect the health of soft tissue (such as amlodipine, cyclosporine A, phenytoin sodium, etc.), drug history that may affect bone metabolism (such as bisphosphonate, etc.) or systemic diseases; 6. History of receiving full dose radiotherapy and local radiotherapy for head or neck; 7. Those with serious night molars, temporomandibular joint disorders and other related functional abnormalities or bad occlusal behaviors or habits; 8. Smoking > 10 cigarettes/day; 9. Psychological or mental problems; 10. Alcohol or drug abuse; 11. If you can't follow this protocol properly, participate in other studies; 12. Other situations that are judged by the researcher to be unable to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| horizontal facial bone thickness (HFBT);vertical facial bone level (VFBL); | — |
Secondary
| Measure | Time frame |
|---|---|
| probing depth(PPD);bleeding on probing(BOP);facial mucosal level(FML);width of keratinized mucosa(KMW); | — |
Countries
China
Contacts
Public ContactLi Fu
Department of Oral Implantology, Hospital of Stomatology of Jilin University
Outcome results
None listed