Tooth Whitening
- Estimated Time: 120 minutes
- Credits: 2.0 CEU
- Passing Score: 80%
Course Overview
Tooth whitening has become one of the most requested cosmetic dental procedures. This course provides a comprehensive scientific and clinical review of modern whitening therapies, separating marketing hype from evidence-based practice. It explores the chemistry of whitening agents—primarily hydrogen peroxide and carbamide peroxide—and the mechanism of oxidation that allows them to break down complex chromophores within the tooth structure. Participants will gain a deep understanding of the various delivery systems available, ranging from high-concentration in-office power bleaching to custom take-home trays and over-the-counter strips.
Crucial to success is the proper diagnosis of tooth discoloration. This curriculum differentiates between extrinsic stains caused by lifestyle factors and intrinsic stains resulting from trauma, tetracycline, or fluorosis, as the treatment approach and prognosis differ significantly for each. The course also addresses the management of the most common side effect: dentinal hypersensitivity. By understanding the hydrodynamic theory and utilizing desensitizing agents effectively, clinicians can improve patient comfort and compliance.
Finally, the course covers the restorative implications of whitening. It emphasizes the critical "wait period" required before placing composite or porcelain restorations due to the temporary reduction in bond strength caused by residual oxygen. Safety protocols, including gingival isolation and the management of non-vital teeth via internal bleaching, are also detailed. This training empowers dental professionals to deliver safe, predictable, and esthetically pleasing results.
Learning Objectives
After completing this course, participants will be able to:
- Explain the mechanism of action of peroxide-based whitening agents and the role of free radicals in breaking down chromophores.
- Differentiate between extrinsic and intrinsic staining and determine the appropriate prognosis for each.
- Compare the efficacy and safety profiles of in-office power bleaching versus take-home carbamide peroxide systems.
- Identify the indications and contraindications for tooth whitening, including pregnancy and existing restorations.
- Formulate a protocol for managing dentinal hypersensitivity before, during, and after treatment.
- Describe the “oxygen inhibition” phenomenon and its impact on the timing of subsequent adhesive restorative procedures.
- Demonstrate the “Walking Bleach” technique for non-vital teeth and strategies to prevent cervical resorption.
- Discuss the role of light activation (lasers/LEDs) in the whitening process based on current scientific literature.
This course is members-only
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