. Interpretation of dental & maxillary roentgenograms . RA M S ically in Figs. 11 and L3. The upper and lower teeth ofthe side examined are usually well shown from the thirdmolars forward to the canines. In the anterior portionof such a plate, the shadow of the opposite side of thejaws overlies that of the side nearest the plate, theamount of overlapping depending on whether tho pa-tients nose is pressed down on the plate or slightly. Fig. 12.—Plate of left side of face, showing normal anatomic landmarks and im-pacted upper third miliar. (See Fig. 13.) raised from it. In the same way the posit
. Interpretation of dental & maxillary roentgenograms . RA M S ically in Figs. 11 and L3. The upper and lower teeth ofthe side examined are usually well shown from the thirdmolars forward to the canines. In the anterior portionof such a plate, the shadow of the opposite side of thejaws overlies that of the side nearest the plate, theamount of overlapping depending on whether tho pa-tients nose is pressed down on the plate or slightly. Fig. 12.—Plate of left side of face, showing normal anatomic landmarks and im-pacted upper third miliar. (See Fig. 13.) raised from it. In the same way the position of the headaffects tho overlapping of the molar region by theshadows of the vertebrae at the posterior portion of theplate. The dark space above the upper teeth is formedby the maxillary sinus and the nasal fossa. Into thisspace occasionally may he seen projecting the coronoidprocess of the opposite side of the jaw. Above themaxillary sinus and nasal fossa, the honeycombed ap-pearance is due to the ethmoid cells. Below the roots of ANATOMY OF THE TEETH AND JAWS 35 the lower molar teeth may be seen the mandibular canal,running forward to the mental foramen between and be-low the apices of the premolars. Below the lower borderof the mandible, extending in front of the vertebrae asfar forward sometimes as the first molar, the hyoid bone
Size: 1579px × 1582px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidinte, booksubjectdentistry
