A. Concrescence
B. Fusion
C. Gemination
D. None of the above
Related Mcqs:
- If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________?
A. Hyperplasia
B. Hypoplasia
C. Hypertrophy
D. Excementoses - 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 - White patch is seen on the buccal mucosa consisting of pseudomycelium and chalmydospores with desquamated epithelium adjacent to it, the patient is suffering from epithelium adjacent to it, the patient is suffering from_____________?
A. histoplasmosis
B. cryptococcosis
C. candidiasis
D. coccidiomycosis - 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 - Dentinal union of two embryologically developing teeth is referred as______________?
A. Gemination
B. Twinning
C. Concrescence
D. Fusion - The tooth that is commonly seen in an abnormal relation and contact with its adjacent teeth of the same arch is ________________?
A. Mandibular first premolar
B. Mandibular lateral incisor
C. Maxillary central incisor
D. Maxillary lateral incisor - A 4-year old child has less number of teeth and lateral incisors with bifurcated roots with two root canals is called_____________?
A. Dilaceration
B. Concrescence
C. Fusion
D. Gemination - In Cleidorcranial dysostosis, sometimes the roots of the permanent teeth are_____________?
A. Thin and long
B. thin and short
C. Thick and short
D. Fused - Calcification of roots of decidous teeth is completed by_____________?
A. 2 years
B. 4 years
C. 6 years
D. 8 years - In resorption of roots of the primary teeth, the dental pulp_____________?
A. Plays a passive role
B. Becomes a fibrotic non-vital mass
C. Initiates resorption from the inner surface of roots
D. Aids in formation of secondary dentin slowing down resorption