In a dried skull, holes on the lingual aspects of the deciduous teeth are called_____________?

Related Mcqs:

1. The deciduous teeth can be differentiated from permanent teeth by_____________?

   A. Enamel prismatic arrangement
   B. Dentinal tubule arrangement
   C. Primary and secondary dentin
   D. Mineral content

2. Primary teeth differ from permanent teeth in following aspects ?

   A. Thickness of enamel and dentin
   B. Pulp chambers are longer
   C. Roots are flaring
   D. All of the above

3. A 20yr old patient reports with multiple swelling of the jaws. Clinical examination reveals multiple hard swellings involving the jaws and intra orally several missing teeth are noticed. Panoramic radiograph reveals multiple radio opaque lesions in the maxilla and the mandible with multiple impacted teeth and supernumerary teeth indicative of Gardeners syndrome: The above mentioned condition is______________?

   A. Autosomal dominant disease
   B. Autosomal recessive disorder
   C. X-linked disease
   D. A syndrome of unknown cause

4. The imperfection seen on the lingual flange of a lower denture caused by rapid heating during a curing cycle is called_____________?

   A. Localised Shrinkage porosity
   B. Gas inclusion porosity
   C. Micro porosity
   D. Surface porosity

5. The first sign of future deciduous teeth as a thickening of oral ectoderm appears at about_____________?

   A. 25th day of Intra uterine life
   B. 34th day of Intra uterine life
   C. 56th day of Intra uterine life
   D. 20 wks of Intra uterine life

6. The successors of deciduous teeth develops form_______________?

   A. Successional lamina
   B. Dental lamina
   C. Stellate reticulum
   D. Neutral ectodermal cells

7. An imaginary occlusal curve that contacts the buccal and lingual cusp tips of mandibular buccal teeth is called the _____________?

   A. Catenary curve
   B. Curve of spee
   C. Monson curve
   D. Wilson curve

8. Buccal surface of posterior teeth are wider than lingual surface mesiodistally except in______________?

   A. Maxillary first molar
   B. Mandibular second premolar
   C. Mandibular first molar
   D. Maxillary second premolar

9. Curve passing through the buccal and lingual cusp tips of the mandibular buccal teeth is______________?

   A. Wilson curve
   B. Mansoon curve
   C. Curve of spee
   D. Caternary curve

10. Premature exfoliation of deciduous teeth is seen in_____________?

    A. Hypophosphatasia
    B. Hypophosphatemia
    C. Hyper phosphtasia
    D. Hyperparathryroidism