Tooth defect dental implant, tooth defect
Conditions
Interventions
Intervention group: Teflon tape is inserted into access holes, and the upper portion is closed with composite resin.
Control group: Cotton ball is inserted into access holes, and the upper portion is
Sponsors
Odatsu Tetsuro
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients who can personally provide written consent at their own free will after being receiving a thorough explanation of the study and fully understanding their participation in the study. 2. Patients who have dental implant prostheses with access holes on the occlusal surface in the posterior region. 3. Dental implant prostheses whose occlusal materials is zirconia or metal (both single crowns and fixed partial dentures) 4. The depth of screw access holes from the upper part of screw to occlusal surface is 4 mm or more by probing (no diameter selective)
Exclusion criteria
Exclusion criteria: Any of the following patients will be excluded: 1. Patients with problem in judgement 2. Patients with drug hypersensitivity 3. Patients who are pregnant and lactation period, or planned pregnancy 4. Patients who are participating in another clinical study 5. Patients with screw-retained fixed implant prostheses used as abutment for removal partial denture clasp 6. Patients who are judged as improper to join in this study by the principal investigator or co-investigators
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| falling out of filling materials at 12 months after sealing access hole | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. falling out of filling materials at 3, 6, 9 months after sealing access holes 2. insertion/impaction of filling materials at 3, 9, 12 months after sealing access holes 3. Depth (mm) from occlusal surface to filling materials surface at 3, 9, 12 months after sealing access holes 4. Adverse event | — |
Contacts
Public ContactTetsuro Odatsu
Nagasaki University Hospital
Outcome results
None listed