Dentinal union of two embryologically developing teeth is referred as______________?

Related Mcqs:

1. The number of dentinal zones in dentinal caries is_____________?

   A. One
   B. Two
   C. Four
   D. Five

2. Excess deposition of calcium in the dentinal tubules is referred to as______________?

   A. Sclerotic dentin
   B. Mantal dentin
   C. Interglobular dentin
   D. Intertubular dentin

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. A union of the roots of adjacent teeth through the cementum is referred to as_____________?

   A. Concrescence
   B. Fusion
   C. Gemination
   D. None of the above

5. Embryologically hard palate develop from________________?

   A. Maxillary process
   B. Lateral palatine process
   C. Frontonasal process
   D. All of the above

6. A 4-year old child has a normal complemented of primary teeth but they are gray and exhibit extensive occlusal and incisal wear. Radiographic examination indicates extensive deposits of secondary dentin in these teeth. Most likely this condition is______________?

   A. Neonatal hypoplasia
   B. Amelogenesis imperfecta
   C. Cleidocranial dysplasia
   D. Dentinogenesis imperfecta

7. An abnormal resorption pattern in primary teeth, delayed eruption of permanent teeth and a large tongue are the feature of_____________?

   A. Addison’s disease
   B. Hypothyroidism
   C. Hyperthyroidism
   D. Von-Recklinghausen disease

8. Patient reports with discolored teeth bearing brown stains. The teeth glow fluorescent in UV light. The most likely diagnosis is____________?

   A. Porphyria
   B. Amelogenesis imperfecta
   C. Hutchinson’s teeth
   D. Tetracycline staining of teeth

9. The corrct order of microscopic zones of dentinal caries starting from the D.E junction is_______________?

   A. Zone of sclerosis, decalcification zone, bacterial invasion
   B. Bacterial invasion, decalcification zone, zone of sclerosis
   C. Zone of sclerosis, backterial invasion, decalcification zone
   D. Decalcification zone, zone of scierosis, backterial invasion

10. 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