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Comparative Microbiological Evaluation after Caries Removal by Various Burs.

Rani Somani1, Rohan Chaudhary1, Shipra Jaidka1

  • 1Department of Pedodontics and Preventive Dentistry, DJ College of Dental Sciences and Research, Modinagar, Uttar Pradesh, India.

International Journal of Clinical Pediatric Dentistry
|May 23, 2020
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Summary

Smart burs and conventional burs show similar effectiveness in removing caries-causing bacteria. However, smart burs take significantly longer to use than conventional burs during dental procedures.

Keywords:
Conventional burDental cariesKnoop hardnessPolymer bur (Smartprep)

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Area of Science:

  • Dentistry
  • Microbiology
  • Biomaterials

Background:

  • Dental caries management requires effective removal of infected tooth structure.
  • Conventional burs are widely used for caries excavation, but newer technologies aim to improve efficiency and safety.
  • Evaluating the microbiological efficacy and time efficiency of different burs is crucial for clinical decision-making.

Purpose of the Study:

  • To compare the caries removal efficacy, in terms of bacteriology, of conventional burs and polymer smart burs.
  • To compare the efficiency, in terms of time taken, of conventional burs and polymer smart burs for caries removal.

Main Methods:

  • Forty extracted permanent molars with occlusal caries were bisected, yielding 80 samples.
  • Samples were randomly assigned to caries removal using either conventional burs (Group I) or polymer smart burs (Group II).
  • Caries removal time was recorded, and histological evaluation of bacterial presence was performed on prepared tooth sections.

Main Results:

  • No statistically significant difference was observed in the presence of microorganisms between the conventional bur group and the smart bur group (p > 0.05).
  • Caries removal using smart burs took significantly longer compared to conventional burs (p < 0.05).

Conclusions:

  • Polymer smart burs are as effective as conventional burs in eliminating microorganisms from carious lesions.
  • Conventional burs are more time-efficient for caries removal compared to polymer smart burs.