What is the term for the radio opaque area found at the root apex of young permanent teeth involved with chronic pulpitis ?

Related Mcqs:

1. 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

2. Reversible pulpitis change to irreversible pulpitis primarily because of:__________?

   A. Vacular strangulation
   B. Reduced host resistance
   C. Invasion of microorganisms
   D. An increase in microbial virulence

3. Chronic hyperplastic pulpitis is:__________?

   A. Necrotizing
   B. Suppurative lesion
   C. proliferation of a chronically inflamed pulp
   D. Also called as phoenix abscess

4. While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?

   A. 3-6 years
   B. 7-10 years
   C. 11-14 years
   D. 15- 18 years

5. Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?

   A. Laterally into zygomatics process of maxilla
   B. Medially into zygomatic process of maxilla
   C. Laterally into lateral nasal wall
   D. Superiorly into floor of orbit

6. 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

7. Dentin islands are frequently found in the root canals of which of the following permanent teeth ?

   A. Maxillary lateral incisor & mandibular canine
   B. Maxillary 2nd premolar & maxillary 1st molar
   C. Maxillary 2nd premolar & mandibular canine
   D. Maxillary 1st molar & mandibular 2nd premolar

8. The root completion of permanent teeth is achieved after __________ years o eruption?

   A. 1-1½
   B. 2-3
   C. 3-4
   D. 4-5

9. The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?

   A. Central incisors
   B. Mandibular first molar
   C. Mandibular second molar
   D. Canines

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