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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

All are true about calciotraumatic line, except______________?
A Due to caries
B Due to death of odontoblastic layer
C It remains after caries is removed
D Because of odontoblastic migration from cell rich zone
Correct Answer: Due to death of odontoblastic layer
Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________?
A Premolars
B 1st and 2ndmolar
C 1st premolar and cane
D First molar and 2nd premolar
Correct Answer: First molar and 2nd premolar
The distance from the CEJ to the alveolar crest normally is____________?
A 1 – 1.5 mm
B 2 mm
C 2 – 2.3 mm
D 3 mm
Correct Answer: 1 – 1.5 mm
Which teeth show less curvature on the crown above the cervical line than any other teeth_____________?
A Maxillary anterior
B Mandibular canine
C Mandibular anteriors
D Maxillary canine
Correct Answer: Mandibular anteriors
Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?
A Mandibular centrals
B Mandibular laterals
C Both A and B
D None of the above
Correct Answer: Both A and B
The contact area on the distal side of a maxillary first premolar is located _____________?
A Middle of the middle third with buccal embrasure wider than lingual
B Middle of the middle third with lingual embrasure wider than buccal
C Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure
D Cervical third with buccal embrasure wider than lingual embrasure
Correct Answer: Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure
Generally , contact areas between posterior teeth are located in which directions from the centr of the proximal surface ____________?
A Facially and occlusally
B Facially and gingivally
C Lingually and gingivally
D Lingually and occlusally
Correct Answer: Facially and occlusally
An imaginary occlusal curve that contacts the buccal and lingual cusp tips of mandibular buccal teeth is called the _____________?
A Catenary curve
B Curve of spee
C Monson curve
D Wilson curve
Correct Answer: Wilson curve
The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?
A Central incisors
B Central and lateral incisors
C Lateral incisor and canine
D First and 2nd premolar
Correct Answer: Lateral incisor and canine
Divergence from contact area in proximal surfaces causes embrasures____________?
A Facially
B Lingually
C Cervically
D Facially, lingually , cervically & occlusally
Correct Answer: Facially
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