posterior tooth is missing
Conditions
Interventions
Test group:digital impression techniques
control group :conventional impression techniques
Sponsors
Beijing Stomatological Hospital affiliated to Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: ? Age 18 to 70, male or female; ? Only one posterior tooth is missing on one side, and the implant area is premolar or molar. After achieving a good osseointegrationthe, the crown repair treatment can be started; ? There was no history of periodontitis; ? There were no obvious caries or loosening of the adjacent and opposite teeth at the implant site ? There was no temporomandibular joint disorcler
Exclusion criteria
Exclusion criteria: ? Patients with contraindications to local and / or systemic implantation (uncontrolled diabetes mellitus, haemophilia, metabolic bone disease, history of renal failure, head and neck radiotherapy, chemotherapy and pregnant, lactating women) ? Smoking ? Hard-drinking ? Severe bruxism ? People with mental disorders or intellectual disabilities
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The grinding amount of the restoration; | — |
Secondary
| Measure | Time frame |
|---|---|
| Wear time;FDI grade; | — |
Countries
China
Contacts
Public ContactYao yao
Beijing Stomatological Hospital affiliated to Capital Medical University
Outcome results
None listed