| 1
.
| Infraorbital margin |
| 2
.
| Anterior superior alveolar branches infraorbital nerve |
| 3
.
| Infraorbital artery |
| 4
.
| Anterior superior alveolar arteries |
| 5
.
| Superior dental plexus |
| 6
.
| Naris |
| 7
.
| Root of canine |
| 8
.
| Upper pointer: Septal branch of superior labial artery Lower pointer: Alveolar periosteum (dense plexus of venules injected) |
| 9
.
| Alveolar process of maxilla (bone surface intact in stippled area) |
| 10
.
| Gingiva |
| 11
.
| Upper lip |
| 12
.
| Infraorbital sulcus |
| 13
.
| Pterygopalatine fossa (internal maxillary artery and pterygoid plexus of veins visible but not drawn) |
| 14
.
| Mucosa of maxillary sinus |
| 15
.
| Superior posterior alveolar nerve |
| 16
.
| Infratemporal surface of maxilla |
| 17
.
| Buccal branch of superior posterior alveolar nerve |
| 18
.
| Upper pointer: Superior posterior alveolar artery Lower pointer: Buccal branch of above artery |
| 19
.
| Periosteum (detached from maxilla) |
| 20
.
| Superior dental branches of superior dental plexus |
| 21
.
| Buccal nerve |
| 22
.
| Superior gingival artery and nerve |
| 23
.
| Masseter muscle (partially resected) |
| 24
.
| Buccinator muscle (cut across) |
| 25
.
| Parotid duct |
| 26
.
| Upper molar I (below normal position see note with previous view) |
