Caries Research

The relationship between levels of income inequality and dental caries and periodontal diseases

by Roger Keller Celeste

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The objective of this study was to evaluate the association between income inequality at a lagged time of 2 and 11... more The objective of this study was to evaluate the association between income inequality at a lagged time of 2 and 11 years with two short latency outcomes (untreated dental caries and gingivitis) and two long latency outcomes (edentulism and periodontal attachment loss > 8mm). We used data from the Brazilian oral health survey in 2002-2003. Our analysis included 13,405 subjects aged 35-44 years. Different lagged Gini at municipal level were fitted using logistic and negative binomial multilevel analyses. Covariates included municipal per capita income, equivalized income, age, sex, time since last dental visit and place of residence (rural versus urban). Crude estimates showed that only untreated dental caries was associated with current and lagged Gini, but in adjusted models only current Gini remained significant with a ratio of 1.19 (95%CI: 1.09-1.30) for every ten-point increase in the Gini coefficient. We conclude that lagged Gini showed no association with oral health; and current income Gini was associated with current dental caries but not with periodontal disease.

5.Original_Muneer_p27-30

by Muneer G Babar

An Alternative Efficient Technique For Thin Tooth Sectioning
Muneer Gohar Babar [1], Ma Angela Gonzalez [2]

[1] School of Dentistry, International Medical University, MALAYSIA
[2] Department of Conservative Dentistry , Faculty of Dentistry, University of Malaya, MALAYSIA

Background: The importance of tooth sectioning
is realized in disasters such as earthquake, airplane
crash... more Background: The importance of tooth sectioning
is realized in disasters such as earthquake, airplane
crash investigation, terror, micro leakage studies, age
estimation etc. The objective of this study was to develop
a simple method to make thin sections (approximately
100 mm) from freshly extracted teeth.
Methods: One hundred and twenty human premolars
recently extracted for orthodontic purpose were used for
this study. The teeth were stored in 0.5% chorlaramine
for 2 weeks and were not allowed to dry at any stage
of the experiment. The teeth were thoroughly washed
in distilled water teeth and then were sectioned
buccolingually from crown to the root portion.
Results: A detailed embedding-cutting-mounting
procedure is described. The prepared thin ground
sections were then examined under a Polarised light
microscope for the enamel and the dentine, as well as
the caries lesions can clearly be distinguished.
Conclusion: This is an effective and efficient method
for preparation of ground sections in which the hard
tissue details are preserved.
IeJSME 2011: 5 (1): 27-30

Carious lesions and maize consumption among the Prehispanic Maya: An analysis of a coastal community in northern Yucatan

by Vera Tiesler

Salud oral y caries entre los mayas del período Clásico

by Vera Tiesler

Association between orthodontic treatment need and caries experience

by Ali Farahani

OBJECTIVE:

To investigate the association between orthodontic treatment need (OTN) and caries experience... more OBJECTIVE:

To investigate the association between orthodontic treatment need (OTN) and caries experience (CE).
SUBJECTS AND METHODS:

Using a stratified sampling method, 748 subjects (355 females, 393 males; mean ± standard deviation age 15.11 ± 2.23 years) were examined. The Dental Aesthetic Index (DAI), DMFT, simple (DMFT > 0) and severe CE (DMFT > 8) were recorded. Socio-economic status (SES) was assessed by recording parental education, mother's employment status, and household size.
RESULTS:

Higher (but not statistically significant) CE was observed in subjects with OTN (DAI > 30). The association between DAI and DMFT scores was not significant (rho = 0.05). Mean DMFT score did not vary significantly between the SES and OTN subgroups. In children with a household size >6 persons (n = 85), OTN was associated with higher CE and a higher prevalence of severe CE compared with those without OTN. In this group, when DAI treatment need grade increased, severe CE prevalence also increased from 10.8% to 50%. Similarly, in those with OTN and household size >6 persons, the odds of observing subjects with severe CE was 4.6 times higher (95% confidence interval 1.45-14.55) compared to those without OTN.
CONCLUSIONS:

Associations were observed between OTN and CE and also between the prevalence of severe CE and the severity of malocclusion in children with a household size >6 persons. The current findings suggest that the relationship between caries experience and malocclusion should be assessed in a wider context of SES and background factors.