single or continuous two teeth loss
Conditions
Interventions
A study to evaluate the 3 years clinical result of GC Implant Aadva in single or continuous two teeth loss
Sponsors
Kyushu University Faculty of Dental Science Implant and Rehabilitative Dentistry
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.Subjects whom state of loss corresponds to either of condition in the following Subjects with single or continuous two teeth loss Subjects with 3 unit teeth loss from second primolar to second molar and no dental antagonist at second molar positon 2.Subjects with excellent general status. 3.Subjects with natural or restored medial and distal adjacent teeth to the missing tooth. The condition of the adjacent teeth will not change during this study. 4.Subjects with following bite condition Subjects with A and B1 in Eichner classification Subjects with B2 in Eichner classification and with support zone on the both side 5.Subjects who has dental antagonist irrespective of natural tooth, implant and denture. 6.Subjects with O Leary s Plaque Control score of <20% at screening. 7.Subjects with sufficient bone mass(Bone width 6mm or more of the platform position, Bone height 10mm or more(in lower jow the distance between the mandibular canal)) in the implant placement site. 8.Subjects who sign consent forms to show their agreement to take part in the study 9.Subjects (male and female) aged 20 years or older.
Exclusion criteria
Exclusion criteria: 1.Subjects with a systemic disease that may affect the implant treatment, diabetes for example 2.Subjects with any of the diseases that is contraindicated or relatively contraindicated in oral surgical treatment disorders 3.Subjects with tooth root at planned implantation 4. Subjects with bone graft to the extraction socket 5. Subjects with an untreated tooth that needs endodontic care in an adjacent part of the implant placement site 6. Subjects with a 4-mm or deeper periodontal pocket in an adjacent tooth of the implant placement site 7. Subjects with un-control of periodontal disease 8. Subjects with severe habits of bruxism or clenching 9. Subjects with extremely short intermaxillary distance or notable trismus due to temporomandibular joint dysfunction 10. Subjects with extreme occlusion failure 11. Subjects who smoke more than 10 cigarettes a day or subjects who cannot stop smoking for 2 weeks before and after the implant placement surgery 12. Subjects who plan to participate in other clinical trial, or investigation 30 days prior to or during this study 13. Subjects who are pregnant or nursing or subjects who plan to be pregnant during this study 14. Subjects who cannot understand this study or subjects that the investigator deems ineligible to participate in this study 15. Subjects who can not be mutual understanding or mental illness 16. Uncooperative subjects to treatment 17. Subjects who need sinus lift 18. Subjects with a history of failure of implant placement in the site where an implant is planned to be placed in this study 19. Subjects within 12 weeks of tooth extraction
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| amount of marginal bone loss after implant loading | — |
Secondary
| Measure | Time frame |
|---|---|
| Evaluation of implant success/survival Shaking of implant and pain Rubor of peri implant tissue Pus discharge Exposure of implant Oral hygiene | — |
Countries
Japan
Contacts
Public ContactYoichiro Ogino
Kyushu University Faculty of Dental Science Implant and Rehabilitative Dentistry
Outcome results
None listed