Paranasal sinus present at bih among the following?
Correct Answer: Ethmoid and maxillary
Description: Maxillary sinus - Develop at bih; completely develop at 9 yearsEthmoidal sinus - Development at bih; completely develop at late pubeyFrontal sinus - Develop at 2 years; completely develop at late adolescenceSphenoid sinus - Develop at 3-5 years; completely develop at 12-15 yearsRef: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 211
Category:
ENT
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