Latest Cementum ( Oral Histology ) MCQs – Medical MCQs
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Latest Medical MCQs
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Latest Cementum ( Oral Histology ) Mcqs
The most occurred mcqs of Cementum ( Oral Histology ) in past papers. Past papers of Cementum ( Oral Histology ) Mcqs. Past papers of Cementum ( Oral Histology ) Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Cementum ( Oral Histology ) Mcqs. The Important series of Cementum ( Oral Histology ) Mcqs are given below:
Which dental tissue doesn’t contain nerves ?
A. Dentin
B. Bone
C. Cementum
D. Pulp
Which of the following is least mineralized ?
A. Cementoid
B. Cellular cementum
C. Incremental line
D. Acellular cementum
Root lengthening is contributed by____________?
A. Cellular cementum
B. Intermediate cementum
C. Acellular cementum
D. All of the above
Trauma or excessive occlusal forces causes_____________?
A. Hypertrophy of cementum
B. Hyperplasia of cementum
C. Resorption of cementum
D. None of the above
Pulp MCQs
At the CEJ cementum overlaps enamel about____________?
A. 65 to 70%
B. 60 to 65%
C. 55 to 60%
D. 70 to 75%
Cementum is_____________?
A. Avascular
B. Has blood supply initially only
C. Vascular
D. None of the above
If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________?
A. Hyperplasia
B. Hypertrophy
C. Hypoplasia
D. Excementoses
Intermediate cemental layer_____________?
A. Does not exhibit features of either dentin of cementum
B. Represents area of entrapment of hertwig’s sheath in dentin or cementum
C. Predominantly seen in apical tow thirds of roots of molars and premolars and is rare in incisors or deciduous teeth
D. All of the above are correct
Cementum that forms in conjunction with root end formation and eruption_____________?
A. Cellular cementum
B. Acellular cementum
C. Both
D. None
Which of the following is a rare occurrence______________?
A. Cementum overlaps enamel
B. Enamel overlaps cementum
C. Enamel meet cementum at a point
D. Both never meet
Maximum fluoride content is seen in_____________?
A. Dental cementum
B. Enamel
C. Dental pulp
D. Dentin
Secondary cementum is generally confined to_____________?
A. Middle third of the root
B. Cervical third of the root
C. Apical third of the root
D. No secondary cementum forms
Cellular cementum and compact bone contain____________?
A. Collagen fibres and blood vessels
B. Sharpehy’s fibres and elastic fibres
C. Canaliculi and incremental lines
D. Lacunae and elastic fibres
Cellular cementum is____________?
A. More calcified than acellular type
B. Less calcified than acellular type
C. First formed cementum
D. Less irregular
Bundle bone is part of____________?
A. Cementum
B. Alveolar bone
C. Periodontal ligament
D. Longbones
Hardness of fully mineralized cementum is_____________?
A. Less than dentin
B. Equal dentin
C. More than dentin
D. None of the above
Which of the following is true of cellular cementum ?
A. Seen at the coronal portion of the tooth
B. Forms after the eruption of the tooth
C. Forms during root formation
D. Formation is a slow process
The cementuoenamel junction is approximately at the level at which the root canal becomes_____________?
A. Curved
B. Twisted
C. Pulp chamber
D. Lateral canal
Oral Mucous Membrane MCQs
Intermediate cementum is____________?
A. Highly defined fibrillar zone near CDJ
B. Highly defined cellular zone near cemento – dentinal junction (CDJ)
C. Poorly defined zone near cemento-dentinal junction
D. Both a and B
Inorganic content of cementum is______________?
A. 45 to 50%
B. 55 to 60%
C. 50 to 55%
D. 60 to 65%
The region in which cementum formation is most rapid is_____________?
A. Middle
B. Apical
C. Coronal
D. Interradicular
Which of the following statement is true______________?
A. The apical foramen is surrounded by cementum
B. Cementum is thickest towards the apex (150-200μm)
C. Cementum is thinnest at CEJ (20-50μm)
D. All of the above
Reestablishing the former outline of the root surface is_____________?
A. Anatomic repair
B. Physiological repair
C. Functional repair
D. Hyperplasia
Intermediate cementum is___________?
A. Apical third
B. Found at dentinocemental junction
C. Between enamel and cementum
D. Coronal third
Which of the following is correct?
A. Cementum is more resistant to resorption than bone
B. Both are equally resorbable
C. Bone is more resistant to resorption than cementum
D. None of the above
Chronic periapical inflammation is usually associated with____________?
A. Resorption of cementum
B. Ankylosis
C. Hypertrophy of cementum
D. Hyperplasia of cementum
If cementum is not formed______________?
A. Delayed eruption
B. Exforliation of teeth occur
C. Ankylosis may occur
D. No change occurs
Which of the following is true______________?
A. Cementum contain type I collagen predominantly
B. The uncalcified matrix of cementum is called cementoid
C. Cementodentinal junction is sometimes scallopes in deciduous teeth and smooth in permanent teeth
D. All of the above
Enamel MCQs
Acellular cementum is typically found in_____________?
A. Coronal half of root
B. Apex of root
C. Apical half of root
D. Entire root
At the cemento enamel junction, which of the following occurs_____________?
A. Cementum overlaps enamel
B. Cementum meets enamel
C. Cementum does not meet enamel
D. All of the above
Inorganic content of cementum is_____________?
A. Less than bone
B. Equal to that of bone
C. More than bone
D. More than that of enamel
Butt joint in cementoenamel junctions seen is _________% of cases?
A. 60%
B. 30%
C. 10%
D. 90%
Cementum_____________?
A. Is acellular in the apical third of the tooth
B. Is derived from the sheath of hertwig
C. Often overlaps the enamel
D. Does not contain collagen fibres