Introduction: Although psoriasis has recently been associated with periodontitis, the evidence is limited, with no studies in Chilean population. This study evaluated the potential association between psoriasis and periodontitis in Chilean adults. Method: A case-control study was conducted that included 39 patients with psoriasis and 47 systemically healthy subjects (>18 years) recruited from the San José Hospital and the Dental Clinic of Andrés Bello University. The presence and severity of psoriasis was evaluated using the Psoriasis Area and Severity Index (PASI), the Dermatology Life Quality Index (DLQI), and the physician's global assessment and body surface area (PGA and BSA) index. All patients were examined for the presence of oral lesions, and a full periodontal examination was carried out. Results: Those with psoriasis were older, had worse periodontal parameters and worst hygiene habits than controls (P<.05). A higher frequency of severe periodontitis was found in psoriatic patients (P<.05). Psoriatic patients had an increased risk of severe periodontitis (OR: 7.05; 95% CI: 1.22-40.52, P<.029). Conclusions: This study shows an association between psoriasis and the presence of severe periodontitis in Chilean adults. Periodic periodontal evaluations of a preventive nature should be carried in psoriatic patients.
- Periodontal disease
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