Coronal Polishing for Dental Assistants Certificate Practice Test

Question: 1 / 400

What are extrinsic stains?

Stains that are caused by aging

Intrusive stains within the tooth structure

Surface stains caused by food and drink

Extrinsic stains are surface stains that accumulate on the outer layer of the teeth, primarily due to the consumption of certain foods and beverages. These stains can originate from coffee, tea, red wine, berries, colored sauces, and tobacco products, which can lead to discoloration of the enamel. Unlike intrinsic stains, which are embedded within the tooth structure and can arise from factors such as medications or developmental conditions, extrinsic stains can often be removed through professional cleanings or coronal polishing. This makes the recognition of extrinsic stains particularly important for dental hygienists and assistants, as they focus on maintaining aesthetics and oral hygiene for patients. Understanding the nature of extrinsic stains allows for targeted approaches in dental care to prevent and manage staining effectively.

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Stains resulting from dental trauma

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