The hertwig’s epithelial root shealth is essential to development of the root because it_______________?

Related Mcqs:

1. Hertwig’s epithelial root sheath is made up of_______________?

   A. Outer and inner enamel epithelium
   B. Stratum intermedium
   C. Stellate reticulum
   D. Hyaline layer of Hopewell-smill

2. Hertwig’s root sheath is formed from______________?

   A. Stratum inter medium
   B. Stellate reticulum
   C. Outer enamel epithelium
   D. Cervical loop

3. Remnants of the Hertwig’s root sheath are found in____________?

   A. Gingiva
   B. Alveolar bone
   C. Periodontal ligament
   D. Cementum

4. Each of the following statement is correct about metronidazole EXCEPT that it_______________?

   A. is a broad spectrum antiprotozoal drug
   B. Active against bacteroides and clostridium
   C. An effective alternative for infection caused by aerobic gram positive cocci
   D. May cause peripheral neuropathy on prolonged use

5. Starch is considered to be less cariogenic than monosaccharides and disaccharides because it_______________?

   A. Does not diffuse through plaque
   B. Is rapidly hydrolysed in the mouth
   C. Enhances remineralisation
   D. Raises the PH in the oral cavity

6. Epithelial attachment is derived from____________?

   A. Reduced enamel epithelium
   B. Dental papilla
   C. Inner enamel epithelium
   D. Dental sac

7. Epithelial cells which ultimately keratinize are known as_____________?

   A. Keratinizing cells
   B. Melanocytes
   C. Non-Keratinizing cells
   D. Clear cells

8. Epithelial attachment is_____________?

   A. Attachment of ameloblasts to the tooth
   B. Microscopically it resembles basal lamina
   C. Derived from secondary attachment epithelium
   D. All of the above

9. Keratin pearls with downward proliferation of epithelial masses is characteristic of_______________?

   A. Squamous cell carcinoma
   B. Basal cell carcinoma
   C. Epidermoid carcinoma
   D. Melanoma

10. A median round lesion in front of circumvallate papilae, with epithelial hyperplasia diagnosis is___________?

    A. Median rhomboid glossitis
    B. Erythema migrans
    C. Apthous ulcer
    D. Chemical brun