Which of the following structures is not of ectodermal origin_______________?

Related Mcqs:

The type of fibrous element in enamel is_____________?

A. Tono filament B. Keratin like fibre C. Collagen fibre D. Vimentin filament...

Enamel rods at the cervical area at the occlusal edge and incisal lip in permanent teeth are______________?

A. Straight B. Shallow C. Bent D. Curved...

The thickness of prismless enamel in diciduous teeth is______________?

A. 25 μ m B. 50 μ m C. 75 μ m D. 100 μ m...

The enamel has no capacity of self repair because______________?

A. It has only a small percent of organic content B. Its formative cells are lost once it is completely formed C. It is essentially a keratin tissue and has no blood vessels D. It has no direct connection with the active cells of the dental pulp...

The key hole, pattern appearance in the cross section is feature of______________?

A. Aprismatic enamel B. Prismatic enamel C. Intertubular dentin D. Intratubular dentin...