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Diagnosis of peri-implantitis in the absence of baseline data: a diagnostic accuracy study.
- Romandini, Mario (author)
-
- Berglundh, Jessica, 1989 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för odontologi, sektion 2,Institute of Odontology, Section 2
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- Derks, Jan, 1977 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för odontologi, sektion 2,Institute of Odontology, Section 2
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- Sanz, Mariano (author)
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- (creator_code:org_t)
- 2021-02-17
- 2021
- English.
- In: Clinical oral implants research. - : Wiley. - 1600-0501 .- 0905-7161. ; 32:3, s. 297-313
- Journal article (peer-reviewed)
Abstract
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- The aim of the present study was to evaluate the diagnostic accuracy of clinical and radiographic evaluations made at a single time point during follow-up in identifying (i) a history of peri-implant bone loss and (ii) the presence of peri-implantitis.427 patients provided with implant-supported reconstructions 9 years earlier were evaluated clinically by Probing Pocket Depth, Bleeding or Suppuration on Probing (PPD, BoP & SoP) and radiographically. Bone levels were assessed relative to the most coronal point of the intra-osseous part of the implant. A history of bone loss and diagnosis of peri-implantitis was confirmed through baseline documentation (direct evidence). Diagnostic accuracy of radiographic bone levels at 9 years and clinical findings (indirect evidence/secondary case definition) in identifying a history of bone loss and peri-implantitis were evaluated through correlation and multi-level regression analyses as well as Receiver Operating Characteristic curves. Results were expressed as sensitivity/specificity and area under the curve (AUC).Bone levels observed at 9 years were highly accurate in identifying pronounced bone loss (>2 mm; AUC=0.96; 95%CI 0.95-0.98). In the absence of baseline documentation, a secondary case definition based on the presence of BoP/SoP & bone level ≥1 mm (indirect evidence) provided the overall best diagnostic accuracy (AUC=0.80; 95%CI 0.77-0.82) in identifying peri-implantitis cases (direct evidence: BoP/SoP & bone loss >0.5 mm). Moderate/severe peri-implantitis (BoP/SoP & bone loss >2 mm) was most accurately identified by the combination of BoP/SoP & bone level ≥2 mm (AUC=0.93; 95%CI 0.91-0.96). Sensitivity of the secondary case definition suggested by the 2017 World Workshop of Periodontology (WWP) (BoP/SoP ≥1 site & bone level ≥3 mm & PPD ≥6 mm) was low.The present results underline the importance of baseline documentation for the correct diagnosis of peri-implantitis, especially in its early/incipient forms. The secondary case definition of peri-implantitis suggested at the 2017 WWP demonstrated a high level of specificity but low sensitivity. Moderate/severe peri-implantitis was most accurately identified by the combination of BoP/SoP & bone level ≥2 mm.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Odontologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dentistry (hsv//eng)
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