dentition defect
Conditions
Interventions
test group:palatal horizontal incision+ mesial and distal vertical incision+apically displaced full-thickness flap
control group:midcrestal horizontal incision+sulcular incision in neighboring teeth+non-displaced full-thickness flap
Sponsors
Peking University school and hospital of stomatology
Eligibility
Sex/Gender
All
Age
21 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1) Age =21 years old; 2) Partially edentulous patients, seeking for implant therapy, without the need of bone augmentation, and the implant meets non-submerged healing condition; 3) At least 4mm keratinized mucosa was present buccolingually; 4) Signed informed consent and will follow the follow-up plan.
Exclusion criteria
Exclusion criteria: 1) Pregnancy or lactation; 2) Uncontrolled diabetes (Fasting blood glucose >7mmol/L, and HbA1C>7.5%); 3) Other systemic diseases that could affect wound healilng; 4) Hypertension with preoperational blood pressure >160/100mmHg; 5) Untreated periodontal disease; 6) History of using bisphosphonate or other bone modifying agents; 7) Using agents such as calcuim channel blockesr that may inluence the thickness of gingiva; 8) Bone or soft tissue augmentation procedures have been performed before implant placement.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The width of keratinized buccal mucosa;The thickness of the keratinized buccal mucosa; | — |
Secondary
| Measure | Time frame |
|---|---|
| Buccal tissue profile;Periimplant probing depth;Periimplant bleeding on probing ;the Pink Esthetic Score (PES);Mucosal Scarring Index (MSI);Bone level around implants; | — |
Countries
China
Contacts
Public ContactWei Jinqi
Peking University School and Hospital of Stomatology
Outcome results
None listed