missing mandibular posterior single teeth
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients attending the outpatient department of Peking University Stomatological Hospital; 2. Single missing posterior tooth; 3. age >18 years; 2mm; 8. Adequate space for restoration with the distance from the crest to the opposite jaw teeth >= 8mm; 9. Patient's mouth opening >=30mm, good cooperation, meet the basic requirements of robotic surgery.
Exclusion criteria
Exclusion criteria: 1.Patients with severe systemic diseases affecting bone healing, such as uncontrolled diabetes mellitus (HbA1c >7%); 2.Patients with coagulation disorders to avoid intraoperative and postoperative bleeding risks; 3.Patients with severe untreated periodontal disease to ensure optimal oral environment; 4.Heavy smokers (>10 cigarettes/day) to avoid adverse effects on bone healing; 5.Cases with vertical bone defects >4mm after implant placement, exceeding the applicable range of current technology; 6.Patients with psychiatric disorders or cognitive impairment to ensure adequate compliance; 7.Pregnant or lactating women to avoid potential safety risks;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fixation screw accuracy;Implant placement accuracy; | — |
Secondary
| Measure | Time frame |
|---|---|
| Soft tissue assessment;Patient Satisfaction;Bone grafting stability;Soft tissue healing;Bone defect resollution;Complication; | — |
Countries
China
Contacts
Peking University Hospital of Stomatology