Periodontitis is a common complication in patients with diabetes. Their classificationis complex and it is based on the clinical presentation, rate of disease progression,age at diagnosis and local and systemic factors that may multiply the risk. The twomajor stages of periodontal diseases are gingivitis and periodontitis. Therelationship between these two diseases appears bidirectional insofar that theexistence of one disease tends to promote the other and that the meticulousmanagement of either may help the treatment of the other. Treatment of periodontitisusing a association of mechanical therapy, scaling and root planning, plus systemictetracycline antibiotics has been demonstrated to have important reductions inHbA1c values. Therefore, for a better control of diabetes we suggest that periodontalpatients with diabetes should be consulted and treated by a periodontist.
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