Article

Unstimulated and stimulated salivary characteristics of 12-13-year-old schoolchildren with and without dental erosion.

Department of Stomatology, the Third Affiliated Hospital, Sun Yat-sen University, 600 Tian He Road, Guangzhou, Guangdong, China.
Archives of oral biology (impact factor: 1.65). 05/2011; 56(11):1328-32. DOI:10.1016/j.archoralbio.2011.04.013 pp.1328-32
Source: PubMed

ABSTRACT To evaluate unstimulated and stimulated salivary characteristics of 12-13-year-old schoolchildren with and without dental erosion.
The subjects were sixty schoolchildren from 12-13 years old (30 boys and 30 girls) with dental erosion and sixty age- and sex-matched controls. Unstimulated and stimulated whole saliva were collected. Flow rate, pH level, buffering capacity, bicarbonate, buffer base, calcium, phosphorus and urea concentrations of whole saliva were measured. All data were analysed using SPSS 13.0.
The flow rate, pH, bicarbonate, buffer base, calcium, phosphorus, and urea of unstimulated and stimulated saliva did not differ significantly between the dental erosion group and the control group (P>0.05). The stimulated salivary buffering capacity did not vary between the two groups (Fisher's exact test, P>0.05).
The salivary characteristics are similar amongst 12-13-year-old schoolchildren with and without dental erosion in Southern China.

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Keywords

12-13-year-old schoolchildren
 
bicarbonate
 
buffer base
 
buffering capacity
 
control group
 
dental erosion
 
dental erosion group
 
Fisher's exact test
 
Flow rate
 
pH level
 
phosphorus
 
sex-matched controls
 
Southern China
 
stimulated salivary buffering capacity
 
two groups
 
Unstimulated
 
urea
 
urea concentrations
 
whole saliva
 

Ping Wang