dentition defect
Conditions
Interventions
J1 implant group:None
Sponsors
The Fourth Affiliated Hospital of Nanchang University
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Those who are aged =18 years old, with good compliance; 2. The missing teeth are premolars. 3. The bone width of the missing tooth area is 4.5~5.5 mm; 4. Sufficient bone height in the missing teeth area, no need to perform vertical bone augmentation or maxillary sinus lift; 5. Those who have good general health conditions Good;
Exclusion criteria
Exclusion criteria: 1. Acute inflammation in the implant site; 2. Patients with uncontrolled periodontal disease, bone metabolic disease and other diseases that affect bone healing; 3. Insufficient width of the alveolar bone, need to do the horizontal bone increase; 4. Patients with severe nocturnal teeth grinding symptoms; 5. Image film lacks those who can't measure;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| peri-implant buccal lateral bone width and height;Bone resorption at the implant margin;Implant retention rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Abutment loosening and shedding rate; | — |
Countries
China
Contacts
Public Contactwei hong wu
The Fourth Affiliated Hospital of Nanchang University
Outcome results
None listed