Most superior sinus in the face is:
(a) Frontal sinus(Ref. Scott Brown, 6th ed., 4/3/2)Most superior sinus is the frontal sinus followed by ethmoid, sphenoid and maxillary sinuses.
Frontal sinus
Ethmoid sinus
Maxillary sinus
Sphenoid sinus
Congenital Lesions and Stridor