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International Poster Journal of Dentistry and Oral Medicine



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Int Poster J Dent Oral Med 4 (2002), No. 3     15. Sep. 2002

Int Poster J Dent Oral Med 2002, Vol 4 No 3, Poster 128

Oral Health and Occurrence of Salivary S. mutans in Small Children

Language: English

Authors: Prof. Dr. Annerose Borutta1, PD Dr. Susanne Kneist1, Dr. Dietrich Eherler2, Patrick Chemnitius1
1Friedrich-Schiller-University of Jena, Department of Preventive Dentistry
2Friedrich-Schiller-University of Jena, Department of Economical and Social Statistics

12. - 15.09.2001
18th Congress of the International Association of Paediatric Dentistry; 32èmes Journées Internationales de la Société Française d'Odontologie Pédiatrique

Aim and Methods

  • A clinical study was carried out on 155 children from Erfurt, Germany, aged in average 30 months (tab. 1) to analyse their oral health status (dmft, initial caries lesions, oral hygiene and periodontal status, dento-facial anomalies).
  • Additionally salivary tests Dentocult® SM strip mutans were carried out.
  • For statistical analyses the SAS package with a confidence interval of 95% was used.


Sampling Frames and Response Rates
   30 months 
old children
 Subject   Response 
Total 425 231 155 67.1%
Male 208 119 85 71.4%
Female   217 112 70 62.5%
  • 85.3% of the subjects were caries free (dmft =0).
  • The caries prevalence was recorded at a value of 0.58 dmft, without differences between the gender (fig. 1)
  • In 29.9% of the subjects initial caries was recorded, mostly as brown discolorations on the anterior upper teeth (fig. 2).
  • In more than one third of the children visible plaque and gingivitis were found, with a significantly higher frequency in boys than in girls (fig. 3, 4).
  • The most frequent dento-facial anomaly was the open bite (42%) (fig. 5).
  • Whereas in two third of the children no S. mutans were detected in saliva, 25% of children showed even high numbers (fig. 6).
  • A correlation was found between the caries prevalence and the salivary counts of S. mutans (fig. 7, 8, 9).
Fig. 1: Caries and Dentition Status

Fig. 2: Caries Frequency

Fig. 3: Oral Hygiene Status

Fig. 4: Periodontal Status

Fig. 5: Dentofacial Anomalies

Fig. 6: Salivary MS scores of children

Fig. 7: Correlation between MS scores and caries prevalence (dmft) of the children

Fig. 8: Figure 8: Caries Status of upper incisors and MS scores

Fig. 9: Multifactorial Analyses

A:  Education of the mothers (1 = at least class 10; 0 = lower education)
B:  Occupation of the mothers (1 = working; 0 = no working)
C:  The child has the bottle at night (1 = yes; 0 = no)
dmft:  Caries index of deciduous teeth (0 = healthy; 1 = carious, to summarize d-,m-, and f-components)
E:  Visible plaque at anterior teeth (1 = yes; 2 = no)
F:  Scores of mutans streptococci (1 = high; 0 = low)
G:  Regular supervised of toothbrushing by the mothers of the children and additional toothbrushing (1 = yes; 0 = no)
H:  Cariogenity of meals (1 = cariogenic; 0 = no cariogenic)

Fig. 10 and 11: Early Childhood Caries

Fig. 12


It could be concluded that oral health showed still deficits, expressed by early development of dentinal caries and a relatively high frequency of initial caries lesions, which were combined with high numbers of S. mutans in saliva. 

This poster was submitted by Prof. Dr. Annerose Borutta.

Correspondence address:
Prof. Dr. Annerose Borutta
Friedrich-Schiller-University of Jena
Department of Preventive Dentistry
Nordhäuser Str. 78
D-99089 Erfurt