Yago Leira1, Pablo Martín-Lancharro2, Juan Blanco1. 1. a Periodontology Unit, Faculty of Medicine and Odontology , Odontología Médico-Quirúrgica (OMEQUI) Research Group, Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela , Santiago de Compostela , Spain. 2. b Statistics Unit, Hospital Clínico Universitario , Santiago de Compostela , Spain.
Abstract
OBJECTIVE: To assess whether a higher periodontal inflamed surface area (PISA) may reflect more severe periodontitis, and if so, to calculate which cut-off point should be used to classify a patient as suffering from periodontitis. MATERIAL AND METHODS: Eighty subjects were selected based on their periodontal status and were divided into 4 groups of 20 each; periodontally healthy, mild periodontitis, moderate periodontitis and severe periodontitis. In addition, demographic data, smoking status and socioeconomic status were also recorded. RESULTS: The highest mean PISA value was obtained for the severe periodontitis group (2309.42 ± 587.69 mm2) and the least for the periodontally healthy (34.30 ± 16.48 mm2). The PISA values corresponding to the three categories of periodontitis severity were significantly higher than the periodontally healthy group. When receiver operating characteristic (ROC) analysis was performed, a PISA value ≥130.33 mm2 predicted the presence of periodontitis with a sensitivity of 98% and a specificity of 100%. CONCLUSIONS: PISA is a periodontal parameter that may be used in conjunction with the Centers for Disease Control and Prevention - American Academy of Periodontology case definition classification in periodontal medicine research.
OBJECTIVE: To assess whether a higher periodontal inflamed surface area (PISA) may reflect more severe periodontitis, and if so, to calculate which cut-off point should be used to classify a patient as suffering from periodontitis. MATERIAL AND METHODS: Eighty subjects were selected based on their periodontal status and were divided into 4 groups of 20 each; periodontally healthy, mild periodontitis, moderate periodontitis and severe periodontitis. In addition, demographic data, smoking status and socioeconomic status were also recorded. RESULTS: The highest mean PISA value was obtained for the severe periodontitis group (2309.42 ± 587.69 mm2) and the least for the periodontally healthy (34.30 ± 16.48 mm2). The PISA values corresponding to the three categories of periodontitis severity were significantly higher than the periodontally healthy group. When receiver operating characteristic (ROC) analysis was performed, a PISA value ≥130.33 mm2 predicted the presence of periodontitis with a sensitivity of 98% and a specificity of 100%. CONCLUSIONS: PISA is a periodontal parameter that may be used in conjunction with the Centers for Disease Control and Prevention - American Academy of Periodontology case definition classification in periodontal medicine research.
Entities:
Keywords:
Periodontal inflamed surface area (PISA); periodontal inflammation; periodontitis; population surveillance; prevalence
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