This study is a medium-term (6-9 years) follow-up of the health of the tissues surrounding the implant which was treated for peri-implantitis (peri-implant infection) in an already completed study with a 12 month follow-up. Patients who were treated in a randomised controlled trial with a 12 month follow-up will be invited to attend for examination of the implant and an x-ray to assess the bone levels at the implant. Participants will be asked to complete a questionnaire about their overall satisfaction following treatment.
Follow-up of 40 participants who were already enrolled in a randomised controlled trial comparing access flap with and without guided bone regeneration for the treatment of peri-implantitis. The 12 month outcomes have been published. doi: 10.1111/clr.14116 This study will provide a medium term (6-9 years) follow-up of the participants Participants will be invited to attend an examination. Full mouth probing Full mouth bleeding and plaque scores Peri-implant probing depth and recession measurements at the treated implant An intraoral radiograph to evaluate marginal bone levels at the treated implant Questionnaire to evaluate satisifaction with the treatment Participants will receive maintenance care at the treated implant.
Study Type
OBSERVATIONAL
Enrollment
40
clinical examination
The University of Western Australia
Perth, Western Australia, Australia
Number of implants with peri-implant health
implant present + peri-implant probing depths ≤ 5 mm + absence of bleeding BOP ( 1 spot of bleeding allowed) + absence suppuration + no additional bone loss as compared to baseline measures
Time frame: minimum 6 years
peri-implant probing depth (mm)
probing depth at 4 sites per implant. Deepest peri-implant probing depth
Time frame: minimum 6 years
peri-implant bleeding on probing (presence or absence)
number of sites with presence or absence of BOP
Time frame: minimum 6 years
peri-implant suppuration (presence or absence)
presence or absence of suppuration on probing or palpation
Time frame: minimum 6 years
peri-implant mucosal recession (mm)
level of peri-implant mucosa measured from fixed a reference point as compared to baseline
Time frame: minimum 6 years
radiographic marginal bone level (mm) compared to bone level at baseline
from intraoral radiograph
Time frame: minimum 6 years
patient reported outcomes on VAS scale 0 - 100 mm
VAS questionnaires - regarding overall satisfaction with appearance of implant following treatment, overall satisfaction with implant treatment, Would you have had an implant if you had known you would need the treatment. Do you have pain at the implant site, do you have a bad taste from the implant site.
Time frame: minimum 6 years
radiographic marginal bone level ( mm) compared to 12 month marginal bone level
mesial and distal radiographic marginal bone levels (mm) compared to the marginal bone levels at 12 months following treatment
Time frame: minimum 6 years
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