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June 18, 2026International Journal of Health & Allied SciencesOpen Access

Profilometric and scanning electron microscopic analysis of tooth abrasion by sodium bicarbonate and glycine as air polishing agent on the tooth surface

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Authors

NKNeha KumariMithila Minority Dental College And HospitalGAG. ArunaJSS Dental College and HospitalAMArun MaradiInstitute of Medical Sciences

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Implication

Randomized trial compares root surface roughness in extracted teeth using sodium bicarbonate and glycine, suggesting air polishing is beneficial.

Key Points

  • The study aims to compare the root surface roughness of extracted teeth using sodium bicarbonate and glycine as air polishing agents versus traditional scaling and root planing (SRP).
  • 105 extracted teeth were divided into 3 groups: control (SRP), sodium bicarbonate, and glycine.
  • Profilometric analysis and scanning electron microscopy were used to assess root surface roughness.
  • Each group consisted of 35 teeth, with acrylic blocks prepared to mount the samples.
  • Group 1 (SRP) showed the highest median Ra, Rp, Rq, and Rt values, indicating more root surface roughness.
  • Group 2 (sodium bicarbonate) had reduced roughness, while Group 3 (glycine) resulted in the least roughness overall.
  • Group 3 also showed the highest median Rmax values, indicating its effectiveness in maintaining smoother root surfaces.

Cite This Study

Kumari et al. (2025) studied this question.

synapsesocial.com/papers/6a338cc3630953a74978ded3https://doi.org/10.4103/ijhas.ijhas_128_25
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