Comparative Assessment of Salivary Osmolality as a Caries risk indicator in Cerebral palsy children

Dr. N S Venkatesh Babu, Dr. Ayisha Moureen




Cerebral palsy is one of the most common cause of physical disability in childhood. Investigations have found an increase in the prevalence of dental caries among patients with cerebral palsy. Considering the difficulties in assessing salivary flow rate in these patients, it is hypothesized that salivary osmolality would be a better dental caries risk indicator than flow rate in cerebral palsy children. The Aim of the study was to assess the Salivary Osmolality as a caries risk indicator in cerebral Palsy children


Data was collected from the study group which included 60 children between age group 6-12 years. Data from control group was collected from healthy children of same age group. All subjects were examined under standardized conditions by a single examiner. The DMFT and dmft index WHO criteria 1997 were recorded. Unstimulated whole saliva was collected and salivary osmolality was recorded.



Statistical analysis was done using independent T test and Univariate poisson regression analysis. DMFT and dmft scores were higher in cerebral palsy group with significant difference from healthy group. Statistically significant association was found between salivary osmolality and dental caries



Children with cerebral palsy showed high prevalence of dental caries compared to control group along with higher salivary osmolality values. Salivary osmolality was found to be a positive indicator for dental caries.


KEY WORDS: Cerebral palsy, DMFT & dmft index, Salivary Osmolality, Dental caries

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ISSN : 2251-1563