Which of the following is not an ecto-mesenchymal derivative ?
A. Dentin
B. Cementum
C. Pulp
D. Enamel
Development And Growth of Teeth
The disturbances occurred during Calcification stage of tooth development is seen in_____________?
The disturbances occurred during Calcification stage of tooth development is seen in_____________?
A. Peg laterals
B. Microdontia
C. Supernumerary tooth
D. Interglobular dentin
Stellate reticulum is seen in______________?
Stellate reticulum is seen in______________?
A. Dental lamina
B. Enamel organ
C. Hertwig’s root sheath
D. All of the above
Order of development of tooth germ is____________?
Order of development of tooth germ is____________?
A. Bell-bud-cap
B. Cap-bell-bud
C. Bud-cap-bell
D. Bell-cap-bud
Atypical or osteodentin is formed due to disturbance during____________?
Atypical or osteodentin is formed due to disturbance during____________?
A. Morphodifferentiation
B. Histodifferentiation
C. Apposition
D. Initiation
Enamel pearls are found in_____________?
Enamel pearls are found in_____________?
A. Occlusal surface of premolars
B. Furcation areas of permanent molars
C. On the incisal edges of incisors
D. None of the above
Nutrition for ameloblasts after 1st layer of enamel is laid is______________?
Nutrition for ameloblasts after 1st layer of enamel is laid is______________?
A. Dental sac
B. Odontoblastic process
C. Ree
D. Dental Papilla
Temporary structures in enamel organ are (before enamel formation) ?
Temporary structures in enamel organ are (before enamel formation) ?
A. Enamel knot
B. Enamel cord
C. Both A and B
D. Enamel Cuticle
Lip furrow band is______________?
Lip furrow band is______________?
A. Vestibular lamina
B. Successional lamina
C. Dental lamina
D. Basal lamina
Which of the following anomalies occur during the initiation and proliferation of tooth development ?
Which of the following anomalies occur during the initiation and proliferation of tooth development ?
A. Amelogenisis imperfecta
B. Dentinogenesis imperfecta
C. Enamel hypoplasia
D. Oligodontia