Abstract

To evaluate the impact of oral alterations on the quality of life (QoL) of individuals with rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). A case-control study in 32 individuals with RA, 28 with SLE, and 29 in the control group (CG). The questionnaire SF-36 (Medical Outcomes Study Short-Form 36) was used to evaluate the health-related quality of life (HRQoL), and OHIP-14 (Oral Health Impact Profile-14) was used to evaluate the oral health-related quality of life (OHRQoL). The severity of xerostomia was evaluated by the Xerostomia Inventory (XI). In the clinical examination, decayed (D-T), missing(M-T), and filled teeth (F-T) (DMF-T), periodontal status, plaque index (PI), gingival index (GI), unstimulated whole salivary flow rate (UWSFR), and stimulated whole salivary flow rate (SWSFR) were also assessed. Data were analyzed by Student's t tests, chi-square test, Kruskal-Wallis test, ANOVA, Pearson's correlation, and Spearman's correlation. Individuals with RA had a higher caries index (D-T/p = 0.004) and more frequent periodontal disease (PI/p = 0.017). In the SLE group, there was a significant lower salivary flow (SFR/p = 0.016, SFMS/p = 0.004) and severe xerostomia (p = 0.002). The impact of ORHQoL in individuals with RA occurred due to oral candidiasis, halitosis, and xerostomia, compromising the HRQoL. Overall, OHRQoL and HRQoL were more compromised in individuals with SLE, with xerostomia being the main oral problem. Individuals with RA and SLE present oral diseases with negative impact on their QoL. This study shows the main oral manifestations in rheumatic autoimmune diseases, with mainly xerostomia compromising the quality of life.

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