single tooth loss
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Subjects (male and female) aged 20 years or older who show their agreement to take part in the study 2. Subjects who lost second primolar or first molar in maxilla 3. Subjects who lost second primolar or first molar in mandibula 4. Subjects with restorable medial and distal adjacent teeth to the missing tooth. 5. Subjects with natural or restored opposing tooth 6. Subjects with control of periodontal disease, and with good oral hygiene 7. Subjects with the distance between abutment teeth 15mm or less 8. Subjects with the ratio between the height of abutment teeth and the distance between abutment teeth is 0.5 or more 9. Subjects with sufficient occlusal cleaeance;1.5-2.0mm 10. Subjects with the abutment tooth height 0.8mm-1mm or more in molar, and 0.5-0.8mm or more in premolar
Exclusion criteria
Exclusion criteria: 1. Subjects with a resin allergy (skin rash, dermatitis, etc) 2. Subjects with a systemic disease that may affect the treatment (heart desease, cerebrovascular disease,etc) 3. Subjects who plan to participate in other clinical trial, or investigation 30 days prior to or during this study 4. Subjects who are pregnant or nursing or subjects who plan to be pregnant during this study 5. Subjects who cannot understand this study or subjects that the investigator deems ineligible to participate in this study 6. Subjects with malocclusion and/or severe habits of bruxism
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 12-month survival rates after treatment with the fixed partial dentures | — |
Countries
Japan
Contacts
Kyushu University Faculty of Dental Science Implant and Rehabilitative Dentistry