Which of the following is related to an enzyme deficiency and involves periodontal destruction around primary teeth______________?

Related Mcqs:

1. Pulp chambers and roots canals in decidous teeth______________?

   A. Wide and deep
   B. Shallow and narrow
   C. Wide and narrow
   D. Shallow and wide

2. The primary response of the pulp to tissue destruction is_______________?

   A. Necrosis
   B. Ulceration
   C. Calcific degeneration
   D. Inflammation

3. The most common enzyme deficiency in man is___________?

   A. Glucose 6 phosphate dehydrogenase
   B. Glucose 6 phosphatase
   C. Hexokinase
   D. Glucose 1,6 diphosphatase

4. All of the following cells of periodontal ligament are of mesenchymal origin except______________?

   A. Fibroblasts
   B. Multi totipotent cells
   C. Cementoblasts
   D. Cell rests of malassez

5. Which of the following is not the principle fibre group of the periodontal ligament___________?

   A. Horizontal
   B. Oblique
   C. Alveolar crest
   D. Transseplat

6. Asymmetric widening of the periodontal ligament around two or more teeth is seen in_______________?

   A. metastatic breast carcinoma
   B. osteosarcoma
   C. paget’s disease
   D. Fibrous dysplasia

7. The relationship between the pulpal and periodontal tissue complex begins during dental development at_____________?

   A. Adolescent stage
   B. 5-10 years
   C. Embryonic stage
   D. None of the above

8. Bone adjacent to periodontal ligament that contains a great number of sharpey’s fibres is known as______________?

   A. Lamina dura
   B. Bundle bone
   C. Lamina propria
   D. Lamina densa

9. Fibres of periodontal ligament embedded in the bone are_____________?

   A. Sharpey’s fibres
   B. Tomes fibres
   C. Elastic fibres
   D. Ray’s fibres

10. The periodontal ligament is approximately_____________?

    A. 0.25 mm in thickness
    B. 0.5 mm in thickness
    C. 0.75 mm in thickness
    D. mm in thickness