[Streptococci mutans: a semi-quantitative method to assess the risk to oral infection in preschool Chilean children].

Autor:	Linossier A; Servicio de Odontología y Cirugía Máxilo Facial, Escuela de Medicina, Pontificia Universidad Católica de Chile. alinossi@terra.cl, Vargas A, Zillmann G, Arriagada M, Rojas R, Villegas R
Jazyk:	Spanish; Castilian
Zdroj:	Revista medica de Chile [Rev Med Chil] 2003 Apr; Vol. 131 (4), pp. 412-8.
Abstrakt:	Background: Salivary infection due to Streptococci mutans is considered the main microbiological risk factor for the initiation of dental caries. Aim: To evaluate a semi-quantitative method to assess Streptococci mutans salivary infection and compare it with the existing quantitative method. Patient and Methods: Saliva samples were obtained from 650 preschool children aged 2 to 6 years old using a TYCSB liquid medium for counting Streptococci mutans. Results were compared with quantitative cultures. Results: There was a 99.3% linear correlation coefficient between both methods. The correlation coefficients with dental caries prevalence were 97% for the semi quantitative method and 90% for the quantitative method. Conclusions: The semi-quantitative method to assess oral infection with Streptococci mutans, is accurate enough to be used in population studies and oral infection prevention programs in developing countries.
Databáze:	MEDLINE
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