The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances___________________?

Related Mcqs:

1. A 40 year old woman report with the complaint of burning sensation in the mouth. Clinical examination reveals lesions consisting of radiating white striations in a retiform arrangement affecting buccal mucosa, tongue, lips & gingiva bilaterally. An incisional biopsy is suggestive of lichen planus. The following are different clinical forms of lichen planus except:

   A. Atrophic lichen planus B. Hypertrophic lichen planus C. bullous lichen planus D. Verrucous lichen planus...

2. Periodontal fibres joining cemental surface of one tooth, to cemental surface of adjacent tooth are called____________?

   A. Gingivodental B. Cemental fibres C. Horizontal fibres D. Transseptal fibres...

3. Greater crown bulk distal to the faciolingual bisecting plane of a tooth is most typical of the mandibular_______________?

   A. Central incisor B. Lateral incisor C. Canine D. Second premolar (AIPG – 97, Man-95)...

4. A permanent tooth with a local hypoplastic deformity in a crown is called_______________?

   A. Turner’s tooth B. Taurodontism C. Enameloma D. Ghost teeth...

5. If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?

   A. Maxillary central incisor B. Maxillary second premolar C. Mandibular lateral incisor D. Mandibular central incisor...

6. The last primary tooth to be replaced by a permanent tooth is usually the_____________?

   A. Maxillary second molar B. Mandibular second molar C. Maxillary canine D. Mandibular canine...

7. A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?

   A. Maxillary central incisor B. Mandibular lateral incisor C. Maxillary lateral incisor D. Maxillary canine...

8. The condition involved with an unerupted tooth or impacted tooth is _________________?

   A. Dentigerous cyst B. Mural ameloblastoma C. Adenomatoid odontogenic tumor D. All of the above...

9. A 4 year old child with one tooth less than the normal dentition shows large tooth with two crowns and two root canals, the anamoly is______________?

   A. Dilaceration B. Fusion C. Gemination D. Concrescence...

10. 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...