Dentition defect
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) More than 18 years old. 2) There is no contraindication to implantation, and it is tolerant of common implantation surgery. 3) There is enough bone mass in the missing part of the posterior tooth area, and no additional operation is needed. 4) Sign the informed consent form and give informed consent to the clinical research.
Exclusion criteria
Exclusion criteria: 1) There are contraindications for local or systemic implant surgery; 2) Active periodontitis; 3) Bad habits such as serious smoking and drinking; 4) Pregnant or lactating women; 5) Mental patients; 6) Patients with severe night molars; 7) Those who cannot perform surgery under the guidance of the guide plate due to the limited opening.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Angle deviation;Depth deviation;Top deviation;Apex deviation; | — |
Countries
China
Contacts
Stomatology Hospital, Zhejiang University School of Medicine