Medical multiple-choice questions here cover topics like Oral Histology MCQs, with answers and explanations for medical students. Oral histology MCQs with answers pdf, oral histology books pdf and oral cavity histology. Oral Pathology & Medicine
Shape of enamel rod is ____ ?
A. Round
B. Key hole or paddle shaped
C. Square
D. None of themAmeloblasts is _____ ?
A. Pertaining to dentin
B. A cell from which tooth enamel is formed:
C. A tissue from which tooth erupts
D. A tumour of the jawSmall ridges, perikymata, seen on facial surfaces of canines are the result of _____ ?
A. Interstitial development
B. Hyperplasia
C. Normal development
D. HypoplacificationPerikymata are the external surface manifestations of _____ ?
A. Incremental lines of retzius
B. Pellicle
C. Enamel rods
D. Nasmyth’s membraneEnamel of the posterior teeth is thickest at ____ ?
A. Middle third of lingual surface
B. Occlusal surface
C. Cervical third of buccal surface
D. Middle third of buccal surfaceRatio of diameter of enamel rods in the DEJ to the enamel surface is ____ ?
A. 1:1
B. 2:1
C. 1:4
D. 1:2Interwining of the enamel rods at the cusp timps and the incisal edges of a tooth is called ____ ?
A. Incremental lies of woven
B. Incremental lines of retzius
C. Enamel spindles
D. Gnarled enamelAll are true regarding the enamel spindles except ____ ?
A. Surrounded by inter prismatic enamel
B. Terminate as rounded process
C. Produced by ameloblasts
D. Found in the region of cuspsApproximately how many enamel rods will be present in a maxillary molar?
A. 9 million
B. 12 million
C. 5 million
D. 7 millionNeonatal lines are found in all of the following except ___ ?
A. Enamel and dentin of permanent first molars
B. Dentin of permanent mandibular incisors
C. Enamel of permanent canines
D. Enamel of primary incisors