The level of streptococcus mutans and lactobacilli in the dental plaque among rampant, nursing and caries free children

J. Ja, Zainab; Far,

	The level of streptococcus mutans and lactobacilli in the dental plaque among rampant, nursing and caries free children
Journal of baghdad college of dentistry
Article 1, Volume 23, Issue 4, 2011, Pages 158-162
Authors
Zainab J. Ja;
Abstract
ABSTRACTBackground: Rampant caries in children is one of the most frustrating and difficult condition to treat. Nursing caries ischaracterized by a rampant caries pattern, but it has a unique pattern of dental caries in young children. This studywas conducted in order to estimate the level of streptococcus mutans and lactobacilli in the dental plaque amongthe rampant, nursing caries and caries free children.Materials and method: Sixty children in age group 3-10 years old were chosen for this study (20 with nursing caries,20with rampant caries and 20 caries free) matching in age and gender, a subsample of 47 children were underwentthe bacterial examination. Clinical examination of teeth to record dmfs, and DMFS was conducted according toWHO 1987, and dental plaque sample was taken from the sound buccal surface of the upper second primary molar,otherwise the sample will be taken from the maxillary first primary molar to have the colony forming units of the cariesrelated microorganisms (Streptococcus mutans and Lactobacilli).Results: There was a statistically highly significant difference among rampamt caries, nursing caries and caries freegroups in the dental caries (p=000), while a statistically non significant difference in the count of bacteria (p=.592 forthe streptococcus mutans and p=.140 for the lactobacilli).Conclusion: This study supports the fact that the dental caries is a multifactorial disease, and suggests that thebacterial count is not the major cause.Keywords: nursing caries, rampant caries, streptococcus mutans, lactobacilli. (J Bagh Coll Dentistry 2011;23(4):158-162).

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