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Predentin thickness analysis in developing and developed permanent teeth.

Praveen S Basandi1, Ram Manohar Madammal2, Ravi Prakash Adi3

  • 1Department of Oral Pathology and Microbiology, College of Dental Sciences, Davangere, India.

Journal of Natural Science, Biology, and Medicine
|August 19, 2015
PubMed
Summary
This summary is machine-generated.

Predentin thickness varies significantly with age and tooth location, increasing overall with age and showing distinct patterns during tooth development and maturity. This finding highlights the dynamic nature of dentin formation.

Keywords:
Age groupsdentinogenesisodontoblastspredentin thickness

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Area of Science:

  • Dental Anatomy
  • Histology
  • Biomineralization

Background:

  • Predentin, the unmineralized organic matrix, is crucial for dentin integrity.
  • Its thickness varies, particularly where active dentinogenesis occurs.

Purpose of the Study:

  • To determine variations in predentin thickness across different tooth sites and age groups.
  • To investigate the relationship between age, odontoblastic activity, and predentin width.

Main Methods:

  • Examined 60 premolars from three age groups (<16, 16-30, >30 years).
  • Measured predentin thickness at nine sites per tooth using hematoxylin and eosin stained sections.
  • Correlated thickness with root formation stage and patient age.

Main Results:

  • Mean predentin thickness varied significantly across all sites and age groups.
  • Maximum thickness was consistently observed at the apex, minimum at the pulp floor.
  • Significant differences in predentin thickness were found between younger and older age groups.

Conclusions:

  • Predentin thickness increases with age, showing a linear trend.
  • Thickness patterns differ during tooth development (increasing towards apex), maturity (constant), and aging (increased overall).
  • Odontoblastic activity influences predentin width throughout different developmental stages.