1. Introduction
  1.1 Importance of dental sealants in caries prevention
  1.2 Objectives of the study
2. Literature Review
  2.1 Overview of dental sealant materials and application techniques
  2.2 Long-term effectiveness of dental sealants
  2.3 Previous research on the comparative effectiveness of dental sealants
3. Methodology
  3.1 Selection of dental sealant materials for evaluation
  3.2 Clinical assessment of sealant retention and caries incidence
  3.3 Follow-up period and data collection methods
4. Results
  4.1 Comparison of dental sealant longevity
  4.2 Incidence of caries in sealed teeth
5. Discussion
  5.1 Implications for clinical practice and public health programs
  5.2 Limitations of different sealant materials
  5.3 Recommendations for optimizing dental sealant effectiveness