ADEX Dental Hygiene Licensing Exam 2026 – Complete All-In-One Guide to Succeed

Question: 1 / 400

How many basal laminas does junctional epithelium have?

One

Two

Junctional epithelium is unique in that it has two basal laminas. This structure plays a crucial role in the attachment of the epithelium to the tooth surface. One basal lamina faces the tooth, while the other faces the underlying connective tissue.

The presence of two basal laminas is essential for the function of junctional epithelium, as it creates a strong interface between the epithelium and both the tooth surface and the underlying tissues. This dual basal lamina configuration aids in the maintenance of a barrier to oral bacteria, which is vital for periodontal health.

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Three

Four

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