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September 10, 2025Pakistan Journal of Medical & Health Sciences

Effects of Two Different Bleaching Agents on the Micro Hardness of the Enamel of the Tooth

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Authors

MQMuhammad Sidique QaziAMAnny MemonAHAmjad Hussain

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Overview

Experimental analysis measures enamel microhardness in teeth treated with bleaching agents, indicating minimal impact.

Key Points

  • Both bleaching agents caused a slight reduction in enamel microhardness, but effects were reversible and minor.
  • The carbamide peroxide group showed a microhardness reduction, with values returning to baseline by day 14.
  • Statistical analysis indicated significant differences among groups (p = 0.000), highlighting the impact of these agents.
  • Findings point to the need for careful consideration of bleaching effects on enamel integrity in dental practices.

Cite This Study

Qazi et al. (2022) studied this question.

synapsesocial.com/papers/68c19ab49b7b07f3a061c68chttps://doi.org/10.53350/pjmhs22169999
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1In Vitro Evaluation of Chemical and Microhardness Alterations in Human Enamel Induced by Three Commercial In-Office Bleaching Agents2025
  2. 2An In Vitro Study on the Effects of Hydrogen Peroxide-Based Bleaching Agents on Enamel: Field Emission Scanning Electron Microscopy (FESEM) With Energy Dispersive Spectroscopy (EDS) Evaluation2024
  3. 3Comparative Evaluation of The Effect of Various Remineralizing Agents on Surface Microhardness of Enamel Following In-Office Bleaching: An in Vitro Study2026
  4. 4Do Different Tooth Bleaching–Remineralizing Regimens Affect the Bleaching Effectiveness and Enamel Microhardness In Vitro?2024 · 8 citations
  5. 5Effects of At-Home Bleaching Gel and Two Beverages on the Microhardness of an Aesthetic Composite Resin2025