California Registered Dental Assistant (RDA) Written Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which of the following is an adverse effect of peroxide-based tooth whitening procedures?

Tooth decay

Tissue irritation

Peroxide-based tooth whitening procedures are a popular method for achieving a brighter smile. However, it is important to note that these procedures can also have adverse effects on oral health. One potential adverse effect is tissue irritation, which occurs when the peroxide comes into contact with the gums or other soft tissues in the mouth. This can lead to discomfort, inflammation, and even tissue damage if the concentration of peroxide is too high.

Option A, tooth decay, is incorrect because tooth decay is a result of bacterial activity and is not directly caused by peroxide whitening procedures.

Option C, permanent enamel damage, is also incorrect. While peroxide can temporarily weaken the enamel, leading to increased sensitivity, this damage is usually reversible and does not result in permanent damage to the enamel.

Option D, gum strengthening, is incorrect because peroxide has no effect on strengthening the gums.

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Permanent enamel damage

Gum strengthening

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