Abstract
This study was conducted to detect the clinical effect on mucosa and the bacteriological effect on saliva of three types of commercially available denture cleansers. Forty edentulous patients free from any oral or systemic diseases were selected in this study. Conventionally constructed dentures were delivered. At the beginning of the study the clinical condition of the mucosa was recorded, and salivary samples were taken for bacterial culture. The patients were divided into four groups each of ten patients. For every group a denture cleanser was prescribed and patients were instructed to use it according to manufacturer’s instructions, any other method of cleansing was prohibited. The fourth group was a control group that did not use any denture cleanser. Patients were recalled every month for checkup of the oral mucosa and inspection of the dentures. The results indicated that chemical cleansing of dentures decrease the total number of colony forming units of microorganisms and the number of Streptococcus mutans. The condition of the mucosa also improved with the decrease of the oral microorganisms. Chemical cleansers containing peroxide were better than those containing sodium hypochlorite. Key words: Denture cleansers, Streptococcus mutans, patients.
Highlights
Provision of acrylic resin dentures is believed to alter the make up of oral microflora by encouraging the growth of certain microorganisms
Group I: Severe inflammation was detected in four patients, mild inflammation was detected in four patients and there was no inflammation in two patients
Group II: Severe inflammation was detected in three patients, mild inflammation was detected in five patients and there was no inflammation in two patients
Summary
Provision of acrylic resin dentures is believed to alter the make up of oral microflora by encouraging the growth of certain microorganisms. This change is believed to occur as a result of the roughness of this material even if highly polished and finished and the ability of various microorganisms to adhere and colonize various surfaces of this material (Arai et al, 2009; da Silva et al, 2008; Millsap et al, 1999; Nair and Samaranayake, 1996). One of the most common difficulties that these patients may encounter is denture cleanliness. Patient discomfort and mucosa irritation may result if denture cleanliness is not kept at an acceptable level. Clinicians on the other hand are primarily concerned with the detrimental effects of these deposits on the underlying oral mucosa as well as the adjacent hard tooth structures
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