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Related Experiment Videos

Prolonged nursing-habit caries index.

K Yagot1, N Y Nazhat, S A Kuder

  • 1College of Dentistry, University of Baghdad, Iraq.

Journal of the International Association of Dentistry for Children
|July 1, 1990
PubMed
Summary

A new index for prolonged nursing-habit caries (PNHC) in primary teeth is reliable and valid. This tool can accurately assess PNHC severity in young children for future research.

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Area of Science:

  • Pediatric Dentistry
  • Dental Public Health
  • Cariology

Background:

  • Prolonged nursing-habit caries (PNHC) is a significant concern in primary dentition.
  • Accurate assessment tools are crucial for monitoring and managing PNHC.
  • Existing indices may not fully capture the nuances of PNHC in early childhood.

Purpose of the Study:

  • To evaluate the reliability and validity of a novel index for assessing PNHC.
  • To determine the suitability of the PNHC index for use in research settings.
  • To establish a standardized method for PNHC severity grading in primary teeth.

Main Methods:

  • The study involved 2389 nursery-school children aged 12-53 months.
  • Maxillary primary incisors were examined for PNHC severity (0-5 scale).
  • Intra-examiner and inter-examiner reliability were assessed using correlation coefficients (0.97 for both).
  • Validity was determined by correlating the PNHC index with the deft index (correlation coefficient 0.68).

Main Results:

  • High intra-examiner and inter-examiner reliability were demonstrated (r=0.97, p<0.01).
  • The PNHC index showed a significant positive correlation with the deft index (r=0.68, p<0.01), indicating good validity.
  • The index effectively graded PNHC severity in the studied population.

Conclusions:

  • The developed PNHC index is a reliable and valid tool for assessing prolonged nursing-habit caries in primary dentition.
  • This index can be confidently utilized in future epidemiological studies and clinical research.
  • The findings support the use of the PNHC index for standardized PNHC assessment in young children.

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