In view of the limitations of antifungal agents used in the treatment of oral candidiasis and the wide variety of natural products that have been studied as treatment of this disease, this systematic literature review proposed to evaluate whether scientific evidence attesting to the efficacy of natural products in the treatment of this disease exists. A systematic search in PubMed, MEDLINE, SciELO, Lilacs, and Cochrane Library databases was accomplished using the associations among the keywords Candida albicans, phytotherapy, biological products, denture stomatitis, and oral candidiasis in both English and Portuguese. Four independent observers evaluated the methodological quality of the resulting articles. Three studies were included for detailed analysis and evaluated according to the analysis protocol based on the CONSORT (Consolidated Standards of Reporting Trials) 2010 statement. The tested products were different in all studies. Two studies mentioned random samples, but no study described the sample allocation. No study mentioned sample calculations, a prior pilot study, or examiner calibration, and only one trial reported sample losses. Differences between the tested products and the methodological designs among these studies did not allow the existence of scientific evidence related to the effectiveness of these products for the proposed subjects to be confirmed.
Background: Masticatory function of institutionalised elders and its relationship with nutrition and oral health-related quality of life (OHRQoL) are unknown. Objectives: This multicentre cross-sectional study evaluated the influence of the presence of teeth and dentures on masticatory function (masticatory performance and swallowing threshold) in institutionalised elders. Correlation of masticatory function with nutrition and OHRQoL was also verified. Methods: Older adults (n = 344; mean age (SD) = 77.70 (9.10)), selected from nursing homes in two Brazilian cities, were classified as edentulous with or without complete dentures (CDs), and partially dentate with or without prosthesis. Masticatory performance was assessed using a two-colour chewing gum. Swallowing threshold was set by the number of chewing cycles performed until swallowing 3.7 g of peanuts. Nutrition was screened by Mini-Nutritional Assessment-Short Form and body composition. OHRQoL was evaluated through Geriatric Oral Health Assessment Index (GOHAI) and Oral Health Impact Profile (OHIP-14). The Kruskal-Wallis test and Spearman's correlation were used (α = 0.05). Results: Edentulous elders without CDs had lower masticatory performance than those with CDs and partially dentate with or without prosthesis (P < .05). Swallowing threshold of edentulous elders with CDs and partially dentate with prosthesis was greater than edentulous elders without CDs and partially dentate without prosthesis (P < .05). Masticatory function was not correlated with nutrition. Masticatory performance was correlated (P < .05) with GOHAI (r 2 = −.154) and swallowing threshold with GOHAI (r 2 = .162) and OHIP-14 (r 2 = −.146). Conclusion: The absence of teeth and dentures negatively affected the masticatory function. Although the masticatory function was not correlated with institutionalised elders' nutrition, their OHRQoL was negatively impacted.
The use of two-implant overdentures improves mastication of edentulous elderly patients. However, little is known about the effects of single-implant overdentures (SIO) on oral perception and masticatory function in such elders. This study compared the effects of conventional complete dentures (CD) and SIO on the oral sensorimotor ability (OSA), masticatory function, and nutritional intake of elderly people with residual alveolar mandibular height classified as Class III or IV according to the American College of Prosthodontics. Twelve elders first received new conventional CD, which were later converted to SIO. All variables were evaluated after use of each prosthesis for 2 months. To evaluate OSA, elders closed their eyes and orally identified test pieces prepared from raw carrots. A kinesiographic device was used to measure chewing movements during mastication of a test material (Optocal). Masticatory performance (MP) was determined with the sieving method, and a 3-day food diary verified nutrient intake based on a standard Brazilian Food Composition Table. Data were analyzed using the Wilcoxon signed rank test and Student's paired t test (P < 0.05). OSA results did not differ according to prosthesis type. However, opening and closing velocities during chewing and MP increased after SIO insertion (P < 0.05). Although no difference was observed in the intake of most nutrients, sodium ingestion decreased after SIO insertion (P < 0.05). SIO use had no effect on OSA, but significantly improved mastication and sodium intake of elders with decreased residual ridges height (Brazilian Registry of Clinical Trials #RBR-3kgttj).
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