A. Dilaceration
B. Concrescence
C. Fusion
D. Gemination
Related Mcqs:
- 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 - A radiograph of the mandibular anterior teeth in a patient reveals radiolucencies above the apices of right lateral and central incisors. No restorations or cavities are present There is no pain or swelling and the pulps are vital. The diagnosis is_________________?
A. Periapical granuloma
B. Cementoblastoma
C. Radicular cyst
D. Chronic abscess - The root of maxillary lateral incisors if curved is usually in which direction ?
A. Distal
B. Mesial
C. Facial
D. Palatal - 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 - If a mandibular canine has bifurcated roots, they are most commonly placed_______________?
A. Mesial and distal
B. Facial and lingual
C. Mesiobuccal and distobuccal
D. Mesiolingual and distolingual - 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 - Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________?
A. Primary roots show less a accessory and lateral canals
B. Primary roots resorb more easily
C. Primary roots are shorter
D. None of the above - Hypoplastic defects in permanent central and lateral incisors are likely to result due to severe illness or other factors during_______________?
A. First nine month of life
B. First two years of life
C. First month of life
D. Two or three years of life - 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 - A 15-year old boy shows an inverted pear shaped radiolucency between the upper central incisors. The teeth are normal in all aspects The most likely diagnosis is________________?
A. Globulomaxillary cyst
B. Nasopalatine cyst
C. Aneurysmal cyst
D. Dentigerous cyst