. Interpretation of dental & maxillary roentgenograms . Vis. 7.—Here the floor of the maxillary sinus extends in front as far as the regionof the first premolar tooth. (Cryer.) not be mistaken for a rarefied disease area. It is some-times difficult in the study of odontograms of this regionto determine whether or not the roots of the teeth projectinto the maxillary sinus and whether areas of absorptionabout the roots communicate with it. In the odontogram, 30 I N T EI! I 11BTATI X OF ROE X T< IE X < x ! I! A AI S where a root is projected above the level of the floor ofthe antrum, it is
. Interpretation of dental & maxillary roentgenograms . Vis. 7.—Here the floor of the maxillary sinus extends in front as far as the regionof the first premolar tooth. (Cryer.) not be mistaken for a rarefied disease area. It is some-times difficult in the study of odontograms of this regionto determine whether or not the roots of the teeth projectinto the maxillary sinus and whether areas of absorptionabout the roots communicate with it. In the odontogram, 30 I N T EI! I 11BTATI X OF ROE X T< IE X < x ! I! A AI S where a root is projected above the level of the floor ofthe antrum, it is importauf to seek carefully the dark andLight lines found around normal teeth in order to dif-ferentiate the normal condition shown in Figs. 5, 87, and89, p. 91, from pathologic conditions in which roots com-municate with the cavity of the , Canals, Etc.—In the upper jaw, on the. \: \ 7 \ Fig. S.—Showing; anterior palatine fossa just behind and between the uppercentra] incisor teeth. The posterior palatine canal is seen as a groove runningparallel to and just within the line of the molar teeth. (Cryer.) palatal surface just behind and between the central in-cisor teeth is found the anterior palatine fossa (Fig. 8).This contains foramina carrying blood vessels and nervesfrom the nose. In roentgenographs films of the anteriorteeth this fossa is frequently seen as a dark shadow aboveand between the apices of the central incisors, and when ANATOMY OF THE TEETH AND JAWS 31 in close relation to roots of .teeth nnder suspicion, mightbe mistaken for rarefaction clue to disease of the bone(Fig. 41, p. 79). The posterior palatine canal (Fig. 8), is found in theform of a groove running posteroanteriorry in the roofof the mouth mesially to the molar teeth. In the roent-genograph^ film it is occasionally shown as a dark
Size: 1550px × 1612px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidinte, booksubjectdentistry
