<prompt> Paranasal sinus which can be visualized best on a occipito-frontal view is: September 2009Frontal sinusEthmoidal sinusSphenoid sinusMaxillary sinus  <response>: Ans. A: Frontal Sinus Caldwell-Luc occipito-frontal view shows: Frontal sinus Best visualization Superior orbital fissure Superior marginof orbit and lamina papyracea Foramen rotundum Maxillary and ethmoid sinus 