The mandibles of 81 randomly selected cats were examined clinically and radiographically for dental calculus, periodontitis, odontoclastic resorptive lesions (FORL) and osteoporosis. Extent of calculus increased with increasing age. Prevalence and severity of periodontitis and FORL increased with increasing age. Osteoclastic resorption and/or osteoporosis increased with age, advancing from rostral to caudal in cortical bone. No significant correlation of periodontitis with FORL could be demonstrated.
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