A longitudinal controlled study of factors associated with mutans streptococci infection and caries lesion initiation in children 21 to 72 months old

Law, V. and Seow, W. K. (2006) A longitudinal controlled study of factors associated with mutans streptococci infection and caries lesion initiation in children 21 to 72 months old. Pediatric Dentistry, 28 1: 58-65.

Author Law, V.
Seow, W. K.
Title A longitudinal controlled study of factors associated with mutans streptococci infection and caries lesion initiation in children 21 to 72 months old
Journal name Pediatric Dentistry  (ERA 2012 Listed)    (ERA 2010 Rank B)   Check publisher's open access policy
Publication date 2006
Sub-type Article
Volume number 28
Issue number 1
ISSN 0164-1263
Start page 58
End page 65
Total pages 8
Editor P. S. Casamassimo
Place of publication United States
Publisher American Academy of Pediatric Dentistry
Collection year 2006
Language eng
Subject C1
320899 Dentistry not elsewhere classified
730112 Oro-dental and disorders
Abstract Purpose: The purpose of this longitudinal study was to determine factors associated with mutans streptococci (MS) infection and development of caries lesions in a group of children 21 to 72 months old. Methods: The 63 caries-free children, recruited since birth, were divided into: (1) a study group of 24 children who were colonized with MS; and (2) a control group of 39 children without MS. The children were recalled every 3 months for approximately 24 months, and their social, medical, and dental histories were updated. At each recall, the teeth were checked for presence or absence of plaque, enamel hypoplasia, and caries lesions, and their MS status was assessed using a commercial test kit. Results: MS infection was associated with: (1) visible plaque (P < .01); (2) enamel hypoplasia (P < .05); (3) commencement of tooth-brushing after 12 months of age (P < .05); (4) lack of parental assistance with tooth-brushing (P < .025); and (5) increased hours of child care/school (P < .05). Four children (20%) were colonized at an age range of 21 to 36 months, 9 (45%) at 37 to 48 months, and 7 (35%) at 49 to 72 months (P < .001). Eight children who developed caries lesions: (1) had more hypoplastic teeth (P < .001); (2) ate sugar-containing snacks (P < .05); and (3) did not brush regularly with chlorhexidine gel (P < .01) compared to those who remained free of caries lesions. Conclusions: Lack of oral hygiene, consumption of sugar-containing snacks, and enamel hypoplasia are significant factors for both MS infection and caries lesion initiation.
Keyword Dentistry, Oral Surgery & Medicine
Pediatrics
Mutans Streptococci
Primary Dentition
Dental Caries
Chlorhexidine
Early-childhood Caries
Chlorhexidine Gel
Dental-caries
Oral Hygiene
Infants
Colonization
Health
Age
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 09:53:08 EST