tooth defect in mandibular posterior region
Conditions
Interventions
Straight:None
S-shape:None
Obligue:None
Basal-round bone:None
Sponsors
Shanghai Stomatological Hospital, Fudan University
Eligibility
Sex/Gender
All
Age
18 Years to 78 Years
Inclusion criteria
Inclusion criteria: 1.Patients with tooth defects in the mandibular posterior region (mandibular first premolar, mandibular second premolar, mandibular first molar, mandibular second molar) with a tooth loss time exceeding 1 month; 2.The implant area has no severe bone defects, and the local soft and hard tissues are healthy; 3.Using tooth-supported semi-digital implant surgery guide for dental implantation; 4.Patients have normal mouth opening and inter-jaw distance, and their overall health status can tolerate guide-assisted implant surgery; 5.Patients agree to sign the informed consent form and agree to undergo preoperative and postoperative oral and maxillofacial CBCT examinations; 6.Preoperative and postoperative imaging data have good visibility;
Exclusion criteria
Exclusion criteria: 1.Dental implant surgery not performed using a tooth-supported semi-digital implant surgery guide; 2.The implant area has a significant bone volume deficiency, and the local soft and hard tissues are not suitable for implantation; 3.Patients have limited mouth opening that significantly affects the surgery, or other conditions that cannot tolerate implant surgery under the guide; 4.The remaining alveolar ridge morphology differs greatly from the, or cases with poor group consistency; 5.Incomplete preoperative and postoperative radiological data, or poor visibility, etc;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| bone density;cortical bone thickness;residual ridge morphology; | — |
Countries
China
Contacts
Public ContactJue Wang
Shanghai Stomatological Hospital, Fudan University
Outcome results
None listed