Clinical and Radiological Evaluation of Narrow Diameter Implant for Fixed Prosthesis in mandibular anterior multiple teeth loss: Randomized Controlled Trial

Seoul National University Dental Hospital0 个研究点目标入组 27 人开始时间: 待定最近更新: 2022年5月30日

试验速览

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•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

•- 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

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