cementum(redirected from necrotic cementum)
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ce·men·tum(sĭ-mĕn′təm) also ce·ment (-mĕnt′)
A bonelike substance covering the root of a tooth.
[New Latin, from Latin caementum, rough stone; see cement.]
(Anatomy) a thin bonelike tissue that covers the dentine in the root of a tooth
[C19: New Latin, from Latin: cement]
the bonelike tissue that forms the outer surface of the root of a tooth.
[1605–15; < Latin, variant of caementum rough stone; see cement]