dental implant placement
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) male or female patients aged 18 to 65 years (including 18 and 65 years old) who received implant repair; 2) patients with severe periodontitis of half / whole teeth need to be extracted; 3) the loss time of half / full dentition is more than 3 months, and the remaining bone mass can provide the initial stability of the implant; 4) the alveolar ridge has enough vertical height, enough horizontal bone width, and can be used in the whole process of guide plate guided implant surgery; 5) prior to the implementation of any study related test steps, the subjects voluntarily signed the informed consent form.
Exclusion criteria
Exclusion criteria: 1) oral mucosal lesions (such as lichen planus); 2) the oral cavity has space occupying lesions (including cyst, tumor, etc.); 3) systemic diseases that affect bone healing, wound healing and dental implant therapy (such as uncontrolled and stable diabetes, the fasting blood glucose was still >= 8.8 mmol); 4) uncontrolled and stable severe hypertension; 5) contraindications of conventional implant and oral surgery, including bone grafting; 6) heart disease (grade II or above heart function disease); 7) patients with liver and kidney dysfunction or abnormality; 8) obesity patients, BMI > 28KG / M; 9) received full dose radiotherapy, local radiotherapy history of head or neck; 10) patients requiring long-term high-dose steroid treatment; 11) patients have been treated with drugs (such as bisphosphate) that may affect or promote bone metabolism in the past 3 months; 12) in the first 4 weeks of operation, antibiotic treatment or chronic anti-inflammatory treatment (at least 3 times a week) was used continuously; 13) alcoholism or long-term drug abuse; 14) patients with incomplete immune function; 15) smoking tobacco equivalent / chewing tobacco more than 10 cigarettes per day; 16) physical or mental defects affect oral health care; 17) patients who are allergic to the product; 18) pregnant or lactating female patients; 19) patients with poor compliance who could not participate in the trial, according to the researchers; 20) within the first 30 days of the operation (day 0), the patient participated in clinical trials of other drugs or devices.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| entry deviation of implant;apical deviation of implant;angle deviation of implant; | — |
Secondary
| Measure | Time frame |
|---|---|
| operation time;Patient satisfaction;implant survival rate; | — |
Countries
China
Contacts
The Ninth People's Hospital, College of Stomatology, Shanghai Jiaotong University