edentulous space at posterior area no grafting needed enough width of attach gingiva
Conditions
Interventions
Randomly assigned 3 different abutment materials
titanium,
zirconia,
gold alloy,
to the patients on the surgery day. 8 week after,
cut the soft tissue 1mm around the abutments and remove the tissue together with the abutment to process for histological examination.,Randomly assigned 3 different abutment materials
cut the soft tissue 1mm around the abutments and remove the tissue together with the abutment to process for histological examination.
type of abutment material
titanium,type of abutment material
zirconia,type of abutment material
Sponsors
90th Anniversary of Chulalongkorn University Fund (Ratchadaphiseksomphot Endowment Fund)
90th Anniversary of Chulalongkorn University Fund (Ratchadaphiseksomphot Endowment Fund)
Eligibility
Sex/Gender
All
Age
40 Years to 70 Years
Inclusion criteria
Inclusion criteria: Edentulous space at posterior maxilla or mandible area Tooth extraction at least 4 months prior to implant placement Adequate bone quantity at the experimental site to allow the insertion of 5.0mm diameter implants Sufficient band of keratinized mucosa (>5 mm) Inter-arch space (> 5mm) Fixture level at least 3mm deeper from soft tissue margin Non-smoker No conditions requiring chronic routine prophylactic use of antibiotics (e.g. history of rheumatic heart disease, bacterial endocarditis, cardiac valvular anomalies, prosthetic joint replacements) No systemic diseases which could influence the outcome of the therapy (e.g. diabetes, osteoporosis, bisphosphonate medication) Not being a pregnant woman Not being a handicap that would interfere with the ability to perform adequate oral hygiene and attending all follow-up procedures
Exclusion criteria
Exclusion criteria: smoker being pregnant
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| attachment evaluation 8 weeks after implant surgery percentage of attachment seen in histological slide | — |
Secondary
| Measure | Time frame |
|---|---|
| inflammatory response 8 weeks after implant surgery inflammatory grade scale | — |
Countries
Thailand
Contacts
Public ContactChalearmpol Leeviroj
Esthetic Restorative and Implant Dentistry Chulalongkorn University
Outcome results
None listed