Dental defect
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Be over 18 years old; 2. No obvious pharyngeal reflex, oropharyngeal diseases, etc; 3. In the posterior region, there is a single missing tooth, with natural teeth present on both sides and in occlusion. The occlusal space and mesial-distal space are sufficient, and the adjacent teeth are not tilted. It is suitable for implant placement, or after appropriate adjustments, it meets the indications for implant surgery; 4. The patient is able to cooperate with treatment; 5. The oral hygiene is good, with BOP less than 20% and probing depth less than 5mm.
Exclusion criteria
Exclusion criteria: 1. Patients with uncontrolled systemic diseases, such as uncontrolled severe diabetes, heart disease, hypertension, etc. 2. Patients who smoke more than 10 cigarettes per day; 3. Patients with uncontrolled periodontitis; 4. Patients with tumors or other severe chronic diseases in the implant area; 5. Patients with acute infection in the implant area; 6. Pregnant, gestational, or lactating women; 7. Patients with severe oropharyngeal nausea, limited mouth opening, temporomandibular joint disorder, and other issues that prevent them from cooperating with treatment; 8. Patients undergoing replantation and bone augmentation surgery, as well as other patients deemed unsuitable for participation in this study by the researchers.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Crown accuracy assessment; | — |
Secondary
| Measure | Time frame |
|---|---|
| Gingival biological indicators;Assessment of working time beside the chair;Evaluation of repair effect; | — |
Countries
China
Contacts
The Affiliated Stomatological Hospital of Zhejiang University School of Medicine