Aggressive periodontitis
Aggressive periodontitis replaces the category “early onset periodontitis” which in the 1989 AAP and 1993 European classifications embraced a number of diseases affecting young patients. It was felt that the use of this new term addressed the clinical characteristics of the disease while avoiding the controversial age barrier. While generally patients in this category would be under the age of 30, it is recognized that older patients may also experience periods of more rapid attachment loss. It also avoids the dilemma frequently confronted using the 1989 classification as to where to place certain patients. For example, deciding whether a young adult with generalized periodontal destruction has rapidly progressive periodontitis or generalized juvenile periodontitis under the 1989 classification highlights the problem with age dependency and rates of progression. A diagnosis of generalized juvenile periodontitis, which has persisted into adulthood, requires knowledge of the time of onset. Alternatively, the condition may be a rapidly progressive periodontitis. However, making this diagnosis requires knowledge of rates of progression and time of onset which can only be gained from previous records, which in many cases may or may not be available (Fig 7). Further, is it appropriate to classify it as a juvenile periodontitis when the patient is now an adult? Should the classification be changed to something else and, if so, what? It may not fit into any of our categories. One purpose of a classification system is to provide a framework in which to undertake orderly treatment of a disease. In this instance the classification system is contributing to confusion and is not suggesting appropriate treatment. Should we be carrying out treatment appropriate for a rapidly progressive disease or treatment for a generalized juvenile periodontitis which may no longer be rapidly progressive? Localized juvenile periodontitis has a circumpubertal onset and progresses very rapidly for a number of years then frequently goes into remission,32 becoming more generalized and, as Suzuki33 suggests, clinically similar to adult (chronic) periodontitis. Thus, we may be treating what under the 1999 classification is a chronic periodontitis. The new classification system attempts to avoid these problems by simplifying the diagnosis. The treatment dilemma, however, may still exist with the new classification when we have imperfect knowledge of the disease history.
ปริทันต์ก้าวร้าวAggressive periodontitis replaces the category “early onset periodontitis” which in the 1989 AAP and 1993 European classifications embraced a number of diseases affecting young patients. It was felt that the use of this new term addressed the clinical characteristics of the disease while avoiding the controversial age barrier. While generally patients in this category would be under the age of 30, it is recognized that older patients may also experience periods of more rapid attachment loss. It also avoids the dilemma frequently confronted using the 1989 classification as to where to place certain patients. For example, deciding whether a young adult with generalized periodontal destruction has rapidly progressive periodontitis or generalized juvenile periodontitis under the 1989 classification highlights the problem with age dependency and rates of progression. A diagnosis of generalized juvenile periodontitis, which has persisted into adulthood, requires knowledge of the time of onset. Alternatively, the condition may be a rapidly progressive periodontitis. However, making this diagnosis requires knowledge of rates of progression and time of onset which can only be gained from previous records, which in many cases may or may not be available (Fig 7). Further, is it appropriate to classify it as a juvenile periodontitis when the patient is now an adult? Should the classification be changed to something else and, if so, what? It may not fit into any of our categories. One purpose of a classification system is to provide a framework in which to undertake orderly treatment of a disease. In this instance the classification system is contributing to confusion and is not suggesting appropriate treatment. Should we be carrying out treatment appropriate for a rapidly progressive disease or treatment for a generalized juvenile periodontitis which may no longer be rapidly progressive? Localized juvenile periodontitis has a circumpubertal onset and progresses very rapidly for a number of years then frequently goes into remission,32 becoming more generalized and, as Suzuki33 suggests, clinically similar to adult (chronic) periodontitis. Thus, we may be treating what under the 1999 classification is a chronic periodontitis. The new classification system attempts to avoid these problems by simplifying the diagnosis. The treatment dilemma, however, may still exist with the new classification when we have imperfect knowledge of the disease history.
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