Partial loss of dentition
Conditions
Interventions
Experimental group:The experimental group took oral CT scan at the opening position, and used 3Shape oral scanner for intraoral scan to generate STL data. The intraoral scan data and the DICOM file of
Control group:In the control group, the U-tube was taken for CBCT, and then the U-tube was removed and saved, and the intraoral scan data and the DICOM file of preoperative CBCT were sent to the digit
Sponsors
Hospital of Stomatology Wuhan University
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: (1) Age of 18-70 years old (including 18 and 70 years old), regardless of gender; (2) At least one missing tooth needed implant denture restoration; (3) good general condition without contraindications to implant surgery; (4) good mouth opening (mouth opening >=40mm); (5) there were at least 3 mesial/distal and contralateral teeth in the implant position, which were sufficient to support the stent or guide plate; (6) Patients voluntarily participated in the experiment and signed informed consent.
Exclusion criteria
Exclusion criteria: (1) severe periodontal disease or other serious oral diseases; (2) having received radiotherapy for head and neck within 2 years or undergoing radiotherapy for head and neck; (3) poor oral hygiene and patient compliance; (4) tobacco abuse (daily > 20 cigarettes) or heavy drinking (> 40mL of alcohol per day); (5) poorly controlled patients with diabetes (fasting blood glucose > 6.8mmol/L) or hypertension (systolic blood pressure >=160mmHg and/or diastolic blood pressure >=100mmHg); (6) patients with other systemic diseases that could not receive implant treatment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The precision of the implant site;Periodontal parameter;Complication rate;Implant retention rate 1 year after surgery; | — |
Secondary
| Measure | Time frame |
|---|---|
| pain assessment;tissue healing; | — |
Countries
China
Contacts
Public ContactZhao Qin
Hospital of Stomatology Wuhan University
Outcome results
None listed