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ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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What is composed of collagen fiber and elastic fiber system?

Gingival groove
Gingiva fibers
Papillae
Marginal gingiva

Explanation

Answer: B - The gingiva fibers are composed of collagen fiber and the elastic fiber system. The elastic fiber system is composed of oxytalan, elaunin, and elastin fibers. Fiber bundle groups provide support for marginal gingiva and the interdental papilla.

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