Thistle-tube appearance of pulp chamber is a feature of______________?

Related Mcqs:

1. A tooth with a 3 month history of pain, which was worse when hot liquid were in mouth. After extraction, the tooth was split open. The pulp chamber was completely filled with pus. A few remnants of pulp tissue were found in apical end. The condition is:__________?

   A. Acute partial pulpits
   B. Acute total pulpits
   C. Suppurative pulpitis
   D. Strangulation of pulp

2. The key hole, pattern appearance in the cross section is feature of______________?

   A. Aprismatic enamel
   B. Prismatic enamel
   C. Intertubular dentin
   D. Intratubular dentin

3. Orange peel and Ground glass radiographic appearance is observed in case of______________?

   A. Pagets disease
   B. Weing’s sarcoma
   C. Osteosarcoma
   D. Fibrous dysplasia

4. Mask-like appearance of face with narrowing of aperture and rigidity of the mucosa is characteristic of______________?

   A. Progressive systemic sclerosis
   B. Tetanus
   C. Multiple sclerosis
   D. Osteomalacia

5. What is true about pharyngotympanic tube ( Eustachian tube) ?

   A. It opens into oropharynx
   B. Supplied by IX nerve
   C. Lined stratified squamous epithelium
   D. It is cartilaginous throughout its length

6. Complete obliteration of pulp is seen in all except_______________?

   A. Type I dentinogenesis imperfecta
   B. Type II dentinogenesis imperfecta
   C. Type III dentinogenesis imperfecta
   D. Dentin dysplasia

7. Which of the following conditions is characterized by abnormally large pulp chambers ?

   A. Amelogenesis imperfecta
   B. Regional odontodysplasia
   C. Dentinogenesis imperfecta
   D. Dentinal dysplasia type I

8. A girl suffering from browing of teeth, wearing of enamel but not cavitory, OPG shows obliteration of pulp with narrowing of canal & deposition of secondary dentin, she gave the history that out of her 4 brothers 2 are suffering from the same disease, She is suffering from_______________?

   A. melogenesis imperfecta
   B. Dentinogenesis imperfecta
   C. Flurosis
   D. Odontodysplasia

9. Absence of pulp chambers is seen in_______________?

   A. Craniofacial dysostosis
   B. Dentinogenesis imperfecta
   C. Amelogenesis imperfecta
   D. None of the above

10. Large pulp chambers are characteristic of all the following conditions except_______________?

    A. Shell teeth
    B. Tauradontisam
    C. Dentin Dysplasia
    D. Dentinogenesis imperfecta