Oral Anatomy Mcqs

Conjoint tendon is formed by _________?

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External and internal oblique
External oblique and transversus abdominis
Internal oblique and transversus abdominis
Internal oblique

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Oral Anatomy Mcqs

Internal oblique and transversus abdominis

Resorption of root of primary incisors starts at_____________?

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4 yrs
6 yrs
8 yrs
10 yrs

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Oral Anatomy Mcqs

4 yrs

Which among the following is NOT a common finding of the decidous dentition ?

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Tight contacts, absence of spacing
Shallow overjet and overbite
Flush terminal plane
Ovoid arch form

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Oral Anatomy Mcqs

Tight contacts, absence of spacing

The sharpest cusp of primary first molar tooth is____________?

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Mesiobuccal
Distobuccal
Mesiolingual
Distolingual

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Oral Anatomy Mcqs

Mesiolingual

Difference between primary and permanent enamel is_______________?

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In prism arrangement
in mineral content
No difference in enamel, difference in dentin
None of the above

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Oral Anatomy Mcqs

In prism arrangement

Among the difference between teeth in the decidous and the permanent dentition is that_____________?

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Buccal surfaces of the permanent molars are flatter
Cervical ridges are more pronounced in permanent molars
Root trunks of decidous teeth are larger compared with their overall root lengths
Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths

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Oral Anatomy Mcqs

Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths

Mesiodistal width is more than cervico- incisal length of crown in_____________?

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Permanent central incisors
Decidous maxillary central incisors
Permanent maxillary canines
Permanent mandibular lateral incisors

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Oral Anatomy Mcqs

Decidous maxillary central incisors

The highest ( longest ) and sharpest cusp on the decidous mandibular first molar is____________?

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Mesiolingual
Distolingual
Mesiobuccal
Distobuccal

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Oral Anatomy Mcqs

Mesiolingual

Transverse ridge is prominent on occlusal surface of which of the following decidous teeth ?

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Mandibular first molar
Maxillary first molar
Mandibular second molar
Maxillary second molar

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Oral Anatomy Mcqs

Mandibular first molar

Primary teeth differ from permanent teeth in following aspects ?

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Thickness of enamel and dentin
Pulp chambers are longer
Roots are flaring
All of the above

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Oral Anatomy Mcqs

All of the above