Teeth Whitening Teeth Terminology 2

Question 1

What is the term for the junction where the tooth meets the gum line?

Accepted Answer

Gingival margin

Answer

The gingival margin is the edge of the gum tissue that borders the tooth at the gum line.

Question 2

Which layer of the tooth is directly beneath the enamel?

Accepted Answer

Dentin

Answer

Dentin lies directly beneath the enamel and makes up the bulk of the tooth's structure.

Question 3

What does the term 'intrinsic staining' mean in dentistry?

Accepted Answer

Stains embedded within the tooth structure itself

Answer

Intrinsic stains are incorporated into the dentin or enamel during tooth development or after trauma.

Question 4

What is 'dentin hypersensitivity' in the context of whitening?

Accepted Answer

Pain or discomfort from exposed dentin tubules

Answer

Dentin hypersensitivity occurs when exposed dentinal tubules allow stimuli to reach the nerve, causing sharp pain.

Question 5

What is the clinical term for the visible portion of a tooth above the gum line?

Accepted Answer

Crown

Answer

The crown is the anatomical portion of the tooth visible in the mouth above the gingival margin.

Teeth Whitening Practice Test