OWN - Quintessenz Verlags-GmbH CI - Copyright Quintessenz Verlags-GmbH OCI - Copyright Quintessenz Verlags-GmbH TA - Int J Oral Maxillofac Implants JT - The International Journal of Oral & Maxillofacial Implants IS - 1942-4434 (Electronic) IS - 0882-2786 (Print) IP - 6 VI - 36 PST - epublish DP - 2021 PG - 167-173 LA - en TI - The Association Between Suppuration on Palpation and Diagnosis of Peri-implantitis: A Cross-sectional Study LID - 10.11607/jomi.8987 [doi] FAU - Holtzman, Lucrezia Paternò AU - Holtzman L FAU - Donno, Simone AU - Donno S FAU - Laforì, Andreina AU - Laforì A FAU - D'Emidio, Federico AU - D'Emidio F FAU - Blaya Tarraga, Juan Antonio AU - Blaya Tarraga J FAU - Cordaro, Luca AU - Cordaro L CN - OT - bacteria OT - biologic complications OT - cross-sectional study OT - diagnostic procedure OT - peri-implantitis OT - suppuration AB - Purpose: The aim of this study was to evaluate suppuration on palpation, used as a diagnostic test, in the detection of peri-implantitis. Materials and methods: A total of 65 patients with 267 implants were examined. Clinical inspection was performed by two blinded examiners: The first measured suppuration on palpation, and the second conducted a complete clinical examination. A third examiner combined the previously collected information with radiographic data and diagnosed the patients according to the European Federation of Periodontology/American Academy of Periodontology (EFP/AAP) classification system. Calibration was conducted previously to the fourth examiner on a set of five patients not belonging to the study sample. Results: When suppuration on palpation was associated with diagnosis of peri-implantitis, the specificity and negative predictive value were high (88% and 84%, respectively), meaning that an implant that was negative to suppuration on palpation had a high chance of not being affected by peri-implantitis. Conversely, the sensitivity and positive predictive value were low (45% and 54%), demonstrating that a suppurating implant will be affected by peri-implantitis in only half of the cases. Area under the curve was calculated as 60.4 (P = .012), and accuracy was found to be 78%. Conclusion: Suppuration on palpation alone, as with any other clinical sign, does not allow a precise diagnosis of peri-implantitis. An implant without suppuration on palpation shows a high chance of being free of peri-implantitis, while an implant that suppurates upon palpation is not necessarily affected by peri-implantitis. Suppuration on palpation may be a valuable clinical sign, especially when evaluating implants that are difficult to examine via probing. AID - 2577161