Comparative study of Candida in oral submucous fibrosis and healthy individuals

K Anila, Kaveri Hallikeri, Shubhada C, Naikmasur VG, R D Kulkarni

Abstract


Purpose: Oral submucous fibrosis (OSMF) is a high-risk precancerous condition that predominantly affects Indian youngsters due to the habit of gutkha chewing. Candida may play a role in the etiopathogenesis of premalignant and malignant lesions. The aim of this study is to compare the incidence, intensity, and species of Candida found in OSMF patients and healthy individuals.
Methods: This study included 20 OSMF patients and 20 healthy controls. A detailed history of each patient was recorded along with a clinical examination. Samples were collected with the oral rinse technique and cultured on Sabouraud’s agar medium. The isolated yeast species were counted and identified based on Gram staining, a germ tube test, chlamydospore formation and a sugar assimilation test.
Results: In total, 40% of OSMF patients and 15% of healthy controls yielded Candida organisms on culture. C. albicans was the predominant species isolated, but C. krusei and C. tropicalis were also identified. Gender, gutkha habit and clinical staging had no influence on the candidal carriage in OSMF patients.
Conclusion: The incidence and intensity of Candida (primarily C. albicans) was greater in OSMF patients than in healthy controls, but these findings were within the normal limit (3-47%). Therefore, Candida may not be an etiologic factor in malignant transformation. However, controversy still exists over whether the chewing of betel quid in cases of OSMF has an inhibitory effect or promotes the adherence and invasion of Candida.

Keywords


Candida; Gutkha chewing; Oral carriage; Oral submucous fibrosis

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e-ISSN: 1980-6523

ISSN-L: 0102-9460

 

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