None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: -Adult over 19 years old -Those who need to extract two or more mandibular central incisors or/and lateral incisors and implant restoration -Periodontal healthy at the adjacent natural teeth -The distance between the implants is 3mm or more, and the distance between the implant and the tooth is 1.5mm or more -Adequate bone quantity to obtain primary stability with F 3.2mm, F 3.3mm, F 3.5mm diameter implants
Exclusion criteria
Exclusion criteria: - Extensive acute infection due to periodontal disease - Extensive bone destruction due to periodontal disease -Pregnant or lactating women -Uncontrolled metabolic systemic disease (high blood pressure, diabetes) -Subjects with a history of radiation irradiation therapy or chemotherapy in the head and neck area -Subjects with serious cardiovascular disease, respiratory system disease, kidney disease, liver disease, digestive system disease, blood system disease, and neuropsychiatric diseases -Subjects with hyperthyroidism or hypothyroidism -Subjects with a history of drug allergy -Subjects who have a high degree of depression or anxiety disorder and are judged to have an influence on the evaluation of the clinical trial -Subjects who have a history of or currently abuse drugs or alcohol within one year -Subjects with a history of taking Bisphosphonate drugs within 4 months -Smokers with more than one pack (20) per day -Unstable occlusal stop -Subjects who are judged to be unsuitable for the subject of the study by the researcher
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| implant success rate | — |
Secondary
| Measure | Time frame |
|---|---|
| implant survival rate;patient satisfaction;Pink Esthetic Score;White Esthetic Score;peri-implant marginal bone loss;Oral Health Impact Profile (OHIP)-14;clinical index (probing, modified plaque index, modified sulcus bleeding index) | — |
Countries
Korea, Republic of
Contacts
Seoul National University Dental Hospital