A. Determination of shape of crown and root
B. Formation of periodontal ligament
C. Formation of cementum
D. Formation of pulp
Related Mcqs:
- The bud, cap and bell stage of the developing tooth are based, on growth of the______________?
A. Stellate reticulum
B. Dental papilla
C. Enamel organ
D. Dental sac - The tooth bud for the third molar is initiated at about the age of______________?
A. 6th month I.U
B. 1st year of life
C. 2nd year of life
D. 8th year of life - Which of the following structures is not of ectodermal origin_______________?
A. Hunter schreger bands
B. Enamel spindles
C. Enamel tufts
D. Enamel lamellae - 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 - A infant with cleft lip, palate, polydactly, microcephaly with holoprosencephaly, ectodermal scalp defect is suffering from ?
A. Trisomy 21
B. Trisomy 18
C. Trisomy 13
D. Turner syndrome - In ectodermal dysplasia all of the following structures are affected except:___________?
A. Hair
B. Nails
C. Teeth
D. Salivary glands - Which of the following are seen in ectodermal dysplasia?
A. Hyperpyrexia
B. Protuberant lips and frontal bossing
C. Defective or absence of sweat glands
D. Any of the above - Ectodermal dysplasia is:___________?
A. Autosomal recessive
B. Autosomal dominant
C. X-linked dominant
D. X-linked recessive - 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 - An asymptomatic tooth has deep has deep caries on occlusal surface. Radiograph shows radiopaque mass at apex of the tooth: this mass is most likely to be:____________?
A. Cementoma
B. Condensing Osteitis
C. Chronic apical periodontitis
D. Acute apical periodontitis
