. Oral anaesthesia; local anaesthesia in the oral cavity, technique and practical application in the different branches of dentistry. r. It is at its bestin ten minutes, and after half an hour it disappears gradually,the solution being absorbed slowly. The maxilla is (as we have seen in anotherThe Infiltration chapter) especially well adapted for the in-Method in filtration method, on account of the thin the Maxilla construction of the outer alviolar plate, and its porous make-up. This method can beused for any teeth in the upper jaw. The bicuspids and incisorsare the easiest to anaestlietize;
. Oral anaesthesia; local anaesthesia in the oral cavity, technique and practical application in the different branches of dentistry. r. It is at its bestin ten minutes, and after half an hour it disappears gradually,the solution being absorbed slowly. The maxilla is (as we have seen in anotherThe Infiltration chapter) especially well adapted for the in-Method in filtration method, on account of the thin the Maxilla construction of the outer alviolar plate, and its porous make-up. This method can beused for any teeth in the upper jaw. The bicuspids and incisorsare the easiest to anaestlietize; next come the cuspids and thirdmohn-s, while the first and second molars sometinies show somedifficulties on account of the zygomatic process forming a cor-tical mass over these teeth. 64 ORAL ANAESTHESIA PREPARING OF THE PATIENT If local anaesthesia is to be used on a patient the operatorhas never injected for, or in an entirely strange patient, oneshould inquire while leisurely conversing whether the patienthas any severe illness, requiring a decrease in the percentageof suprarenin. If the subject of injection is opened, the. Fig. 32. Frontal section through the molar region showing buccal and palatalinjection by the infiltration method. A. Position of needle for palatal injection; B. Position of needle for buccal orlabial injection, a. Sinus frontalis; b. M. orbicularis oris; c. Cellula ethmoidahs;d. Bulbus oculi; e. Concha nasalis inf.; f. Meatus nasi inferior; g. Concha nasalismedia; h. Meatus nasi medius; i. Septum nasi; k. Processus zygomaticus;1. Sinus maxillaris; m. Plexus dentalis superior; n. M. masseter; o. Mi. buccina-tor; p. Dens molaris primus; q. Membrana mucosa buccalis; r. Processusalveolaris; s. Pulpa dentis; t. Membrana mucosa palatinae; u. Processus pala-tinus; v. Cavum oris; w. Cavum buccalis; x. Membrana mucosa alveolaris;y. Glandulae palatinae; z. (1) Radix palatinae; z. (2) Radix buccalis. LOCAL ANAESTHESLi 65 patient usually mentions of his own accord
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