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The effect of a mild increase in temperature on tooth bleaching
M Perez Davidi1, Ala Hadad, Ervin I Weiss
1Department of Prosthodontics, Faculty of Dentistry, Hadassah-Hebrew University Medical Center, Jerusalem, Israel.
Elevating bleaching agent temperature to 45°C significantly enhances tooth whitening effectiveness and reduces treatment duration. This controlled temperature increase offers a faster method for achieving lighter tooth shades.
Area of Science:
- Dental Materials Science
- Cosmetic Dentistry
- Biomaterials
Background:
- Tooth discoloration is a common aesthetic concern.
- External tooth bleaching is a widely used cosmetic dental procedure.
- Optimizing bleaching protocols is crucial for patient satisfaction.
Purpose of the Study:
- To investigate the impact of elevated temperature on the efficacy of external tooth bleaching.
- To determine if higher temperatures accelerate the tooth whitening process.
Main Methods:
- Human molars and premolars were artificially stained.
- Teeth were divided into a treatment group (45°C) and a control group (37°C).
- Color change was objectively measured using an electronic chromometer and tristimulus color analyzer (DeltaE*).
Main Results:
- A statistically significant increase (P < .05) in bleaching efficacy was observed at 45°C.
- Higher temperatures notably reduced the time required to achieve a lighter tooth shade.
- Greater color differences (DeltaE*) were recorded in the 45°C group.
Conclusions:
- Controlled elevation of bleaching agent temperature can improve tooth whitening outcomes.
- Increased temperature offers a viable method for achieving faster and more effective tooth bleaching.
- This finding suggests potential for optimizing clinical bleaching procedures.
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