None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: aged = 18 years and = 65 years; one tooth requiring extraction, prospectively scheduled for implant placement 4-6 months after the extraction; all extraction sites had adjacent teeth; presence of four-wall or three-wall sockets of teeth recommended for extraction due to endodontic failure, caries, or root fracture, which required ridge preservation following tooth extraction; no possibility of plans to become pregnant.
Exclusion criteria
Exclusion criteria: Maxillary and mandibular second or third molars; smoking >10 cigarettes per day; uncontrolled diabetes or hypertension; soft tissue transplant surgery at the tooth extraction site undergone within the previous 6 months; long-term steroid or nonsteroidal anti-inflammatory drug therapy; history of intravenous or oral rheumatism medication; history of intravenous or oral bisphosphonate treatment for more than 3 months; presence or history of osteonecrosis of the jaws or bone diseases such as cysts and tumors; radiation or chemotherapy treatment completed within the previous 5 years; known allergy to any material or medication used in the study; poor oral hygiene; an acute infection (abscess) or presence of pus in or close to the site intended for extraction; mental or psychiatric disorder; pregnancy or lactation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Changes in ridge height and width | — |
Secondary
| Measure | Time frame |
|---|---|
| percentage of new bone area (%NBA); percentage of residual material area(%RMA); percentage of connective tissue area (%CTA) | — |
Countries
Korea, Republic of
Contacts
Yonsei University Health System, Dental Hospital