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Related Experiment Videos

Evaluating tooth eruption on sealant efficacy.

J B Dennison1, L H Straffon, F G More

  • 1Department of Restorative Dentistry, University of Michigan, School of Dentistry, Ann Arbor, MI 48109-1078.

Journal of the American Dental Association (1939)
|November 1, 1990
PubMed
Summary

This study found that 70% of pit and fissure sealants on molars remained effective for 36 months. Sealant retreatment was more likely if the distal marginal ridge was covered during initial application.

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Area of Science:

  • Pediatric Dentistry
  • Dental Materials Science

Background:

  • Pit and fissure sealants are crucial for preventing dental caries in newly erupted permanent molars.
  • Understanding sealant longevity and factors influencing retreatment is essential for effective caries prevention strategies.

Purpose of the Study:

  • To evaluate the long-term retention and effectiveness of self-curing pit and fissure sealants on permanent molars.
  • To identify factors, such as eruption stage and sealant thickness, affecting sealant durability.

Main Methods:

  • 100 occlusal surfaces of permanent molars in children aged 5-14 were treated with sealant.
  • Teeth were categorized by eruption stage and sealant thickness.
  • Evaluations occurred over 36 months, with 75 surfaces assessed finally.

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Main Results:

  • 70% (52/75) of sealant surfaces did not require retreatment after 36 months.
  • Sealant loss or deterioration necessitated retreatment in 23 surfaces, with 18 retreated only once.
  • Early eruption stage (operculum covering distal marginal ridge) doubled retreatment probability.
  • Sealant thickness did not impact early failure signs.

Conclusions:

  • Self-curing pit and fissure sealants demonstrate good retention for up to 36 months in permanent molars.
  • The stage of molar eruption significantly influences the need for sealant retreatment.
  • Sealant thickness is not a primary factor in early sealant failure.