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Background and objectives <p>Systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) are complex autoimmune diseases that present with a range of systemic and oral manifestations including dental decay and alterations in the oral microbiome profile. The purpose of this study was to compare the fungal and bacterial profile of supragingival dental plaque and dental caries in patients with SLE and RA.</p> Methods <p>The present descriptive-cross-sectional-analytical study was conducted on 91 participants (31 RA, 30 lupus, and 30 control groups). Decayed, Missing, and Filled teeth (DMFT) and The International Caries Detection Assessment System (ICDAS) indices were used to investigate tooth decay. The DAS-28 index was used to assess the severity of RA, and the SLEDAI-2&#xa0;K index was used to evaluate the severity of lupus. The number of supragingival dental plaque <i>Streptococcus mutans</i>, <i>Lactobacillus spp</i>. and <i>Candida albicans</i> colonies were evaluated using Mitis Salivarius Agar (MSA), deMan-Rogosa-Sharpe agar (MRS) and Sabouraud Dextrose Agar with Chloramphenicol (SC) culture medium, respectively. Data were analyzed using one-way ANOVA, Kruskal -Wallis, k2, Fisher’s tests, and Spearman’s correlation coefficient.</p> Results <p>A statistically significant relationship was observed between the education level (<i>P</i> = 0.030), mean of DMFT, ICDAS, MSA and SC indices (<i>P</i> &lt; 0.001) with the type of disease. The control and RA group showed significantly higher MRS index than the lupus group (<i>P</i> &lt; 0.001). There was significant and positive correlation between the severity of the disease in lupus patients and SC (<i>Candida albicans</i>) (<i>P</i> &lt; 0.001, <i>R</i> = 0.698) and MRS (<i>P</i> = 0/020, <i>R</i> = 0.408) indices.</p> Conclusion <p>Dental decay and the fungal and bacterial flora of supragingival dental plaque patients are higher than in the healthy group. It is recommended that these patients pay more attention to their oral hygiene and undergo periodic oral examinations.</p>

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Comparative study of the profile of supragingival dental plaque and tooth decay in patients with lupus erythematosus and rheumatoid arthritis

  • 期刊论文

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  • 发表日期：

    2025年3月18日

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  • Aida Mehdipour,
  • Maryam Masoumi,
  • Roohollah Fateh,
  • Mohammad Aghaali,
  • Faezeh Mohammadidana,
  • Ali Saleh,
  • Alireza Rasouli,
  • Faezeh Kabiri

摘要

Background and objectives

Systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) are complex autoimmune diseases that present with a range of systemic and oral manifestations including dental decay and alterations in the oral microbiome profile. The purpose of this study was to compare the fungal and bacterial profile of supragingival dental plaque and dental caries in patients with SLE and RA.

Methods

The present descriptive-cross-sectional-analytical study was conducted on 91 participants (31 RA, 30 lupus, and 30 control groups). Decayed, Missing, and Filled teeth (DMFT) and The International Caries Detection Assessment System (ICDAS) indices were used to investigate tooth decay. The DAS-28 index was used to assess the severity of RA, and the SLEDAI-2 K index was used to evaluate the severity of lupus. The number of supragingival dental plaque Streptococcus mutans, Lactobacillus spp. and Candida albicans colonies were evaluated using Mitis Salivarius Agar (MSA), deMan-Rogosa-Sharpe agar (MRS) and Sabouraud Dextrose Agar with Chloramphenicol (SC) culture medium, respectively. Data were analyzed using one-way ANOVA, Kruskal -Wallis, k2, Fisher’s tests, and Spearman’s correlation coefficient.

Results

A statistically significant relationship was observed between the education level (P = 0.030), mean of DMFT, ICDAS, MSA and SC indices (P < 0.001) with the type of disease. The control and RA group showed significantly higher MRS index than the lupus group (P < 0.001). There was significant and positive correlation between the severity of the disease in lupus patients and SC (Candida albicans) (P < 0.001, R = 0.698) and MRS (P = 0/020, R = 0.408) indices.

Conclusion

Dental decay and the fungal and bacterial flora of supragingival dental plaque patients are higher than in the healthy group. It is recommended that these patients pay more attention to their oral hygiene and undergo periodic oral examinations.