<prompt> X-ray view for supra orbital fissure -TownesAPCald wellBasal  <response>: Ans. is c i.e., Cald well Various skull viewsViewStructures seenWater occipitomental viewOrbitMaxillary sinus best view for maxillary sinusSphenoid sinus if X-ray is taken with open mouthFrontal sinusEthmoid sinusesInfratemporal fossaUpper lower jawZygomatic archNasal cavityCald well occipito-frontal viewSuperior orbital fissureFrontal sinus best view for frontal sinusMaxillary sinusEthmoid sinusForamen rotundumOrbitNasal cavityPetrous boneLateral viewSella turcica best view for sella turcicaCoronal and lambdoid sutureFrontal; maxillary; middle posterior ethmoid sinusesTuberculum sellaeSulcus chiasmaticusBasal submentovertical viewSphenoid sinus best to visualize sphenoid sinusPosterior ethmoid sinusMaxillary sinusGreater wing of sphenoidForamen ovale, spinosum, and lacerumForamen magnumMastoid boneTownes viewForamen magnumDorsum sellaeOccipital boneInternal acoustic canalMastoidsCondyles or mandibleso Superior orbital fissure can also be seen on waters view, but best is caldwell view.The superior orbital fissure can easily indentified and normally has a slightly concave lateral appearacne- Text book of oral radiology 