DDS Dental Anatomy and Histology 2

Question 1

The gubernacular canal in the jaw bone transmits which structure during tooth eruption?

Accepted Answer

The gubernacular cord connecting follicle to oral epithelium

Answer

Blood vessels supplying the dental follicle

Answer

Nerve fibers of the inferior alveolar nerve

Answer

Lymphatics draining the developing tooth

Question 2

Which cell is responsible for the formation of the dental lamina?

Accepted Answer

Oral epithelial cells

Answer

Ectomesenchymal cells

Answer

Neural crest cells

Answer

Endodermal cells

Question 3

Hertwig's epithelial root sheath is derived from which two epithelial layers?

Accepted Answer

Inner enamel epithelium and outer enamel epithelium

Answer

Outer enamel epithelium and stellate reticulum

Answer

Stratum intermedium and stellate reticulum

Answer

Inner enamel epithelium and stratum intermedium

Question 4

Rests of Malassez are remnants of which structure found in the periodontal ligament?

Accepted Answer

Hertwig's epithelial root sheath

Answer

Dental lamina

Answer

Successional lamina

Answer

Reduced enamel epithelium

Question 5

The principal fibers of the periodontal ligament that run from the alveolar crest obliquely to insert into the root are called:

Accepted Answer

Oblique fibers

Answer

Horizontal fibers

Answer

Alveolar crest fibers

Answer

Apical fibers

Question 6

Which gland produces the largest volume of saliva under resting (unstimulated) conditions?

Accepted Answer

Submandibular gland

Answer

Parotid gland

Answer

Sublingual gland

Answer

Minor salivary glands