Which of the following statements about cementum is true?

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It originates from Hertwig's epithelial root sheath.It lacks cells in the apical third region of the tooth.It frequently extends over the enamel surface.It is devoid of collagen fibers.

Explanation

Option A is incorrect because cementum does not develop from Hertwig's epithelial root sheath. Option B is incorrect as cementum is typically cellular in the apical third, not acellular. Option C is correct since cementum often overlaps the enamel at the cementoenamel junction. Option D is wrong because cementum contains collagen fibers that contribute to its structure.