Lamina Dura is lost of partially lost in_____________?

Related Mcqs:

1. A histologic evidence of widespread formation of globular hypocalcified dentin and pulp horns reaching the dentinoenamel junction, absence of lamina dura around the tooth in radiograph are the characteristic features of_____________?

   A. Vitamin -D resistant rickets
   B. Hypophosphatasia
   C. Hypervitaminosis-A
   D. Vitamin-A deficiency

2. Calcium content of lamina dura is______________?

   A. More than the other parts of alveolar bone
   B. Less than the other parts of alveolar bone
   C. Same as in other parts of alveolar bone
   D. Less than the cementum

3. Alveolar bone proper is also known as: or Which of the following is seen as lamina dura in an IOPA radiograph ?

   A. Lamina lucida
   B. Lamina densa
   C. Lamina propria
   D. Lamina dura

4. A material which partially transmits light & partially scatters it________________?

   A. Reflector
   B. Translucent
   C. Transparent
   D. Opaque

5. Lamina densa of the gingival basement membrane is rich in_____________?

   A. Type I and III collagen
   B. Type III collagen
   C. Type IV collagen
   D. Type I collagen

6. Cyst arising from dental lamina:___________________?

   A. Radicular cyst
   B. Paradental cyst
   C. Eruption cyst
   D. Glandular odontogenic cyst

7. Basal lamina of blood vessel in CNS is secreted by______________?

   A. Endothelial cells
   B. Oligodendrocytes
   C. Microglia
   D. Astrocytes

8. Bulk of lamina propria of the gingiva is made of collagen type_______________?

   A. I
   B. II
   C. III
   D. IV

9. The formation of the dental lamina is initiated by______________?

   A. Forebrain
   B. Rathke’s pouch
   C. Neural crest cells
   D. Odontoblasts

10. Dental lamina is active up to_______________?

    A. 1 year
    B. 2 years
    C. 3 years
    D. 4 years