Dentition defect
Conditions
Interventions
Observation group:None
Sponsors
Zhejiang University School of Medicine Affiliated Stomatological Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Over 18 years old, no contraindications to planting; 2. Missing teeth in the esthetic area of maxillary anterior teeth, and the implant restoration was completed between January 1, 2012 and May 1, 2022; 3. The surgical method is single implantation combined with bone augmentation, and the upper repair plan is single crown repair; 4. Imaging data include CBCT within 3 months before surgery, immediately after surgery, and at follow-up.
Exclusion criteria
Exclusion criteria: 1. Those who have not completed the upper repair within one year after implantation; 2. CBCT at the key three time points is blurred and unable to accurately measure the required indicators due to abnormal parameters of the shooting equipment, metal artifacts of the implant or upper restoration, and patient movement during the shooting process; 3. Unable to get in touch with it, or not cooperating with the accompanying access or inspection, or refusing to join this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Changes in buccal bone thickness; | — |
Secondary
| Measure | Time frame |
|---|---|
| Age;Gneder;Site of missing tooth;Reason for missing tooth;Time of missing tooth;History of periodontal disease;History of diabetes;History of smoking;Periodontal phenotype;Time of wearing restoration;Flap flipped during tooth extraction;Length, diameter, and shape of implant;Bone augmentation and its method;Placing sealing screw or healing cap;Immediate loading;Alveolar bone volume;Buccal bone volume;Palatal bone volume;Buccal bone thickness;Palatal bone thickness;Buccal bone height;Palatal bone height;Position of buccal alveolar crest;Position of palatal alveolar crest;Horizontal implant position;Vertical implant position;Implant axis;Changes in buccal bone height;Changes in buccal bone volume;Distance from implant shoulder to first bone osseointegration;Plaque index;Bleeding on probing;Probing depth;Clinical attachment loss;Keratinized gingival width;Gingival margin displacement;Pink esthetic score;Patient satisfaction; | — |
Countries
China
Contacts
Public ContactYiqun Zhou
Zhejiang University School of Medicine Affiliated Stomatological Hospital
Outcome results
None listed