A system of surgery . useful in cases of latent empyema of the antrum. Pas sacs.âIn connection with alveolar and antral abscesses, it is necessary to describe the pus sacs sometimes met with at the roots of carious teeth. It occasionally happens in extracting carious teeth, or stumps,to find at the apex of the root a small fibrous sac which may bescarcely larger than the head of a pin, or it may be as big as abantams egg; the average size and shape of the sac are those of anapple-pip. The cavity of the sac is usually filled with pus or fluidrich in cholesterine. Pus sacs occur in connection wi
A system of surgery . useful in cases of latent empyema of the antrum. Pas sacs.âIn connection with alveolar and antral abscesses, it is necessary to describe the pus sacs sometimes met with at the roots of carious teeth. It occasionally happens in extracting carious teeth, or stumps,to find at the apex of the root a small fibrous sac which may bescarcely larger than the head of a pin, or it may be as big as abantams egg; the average size and shape of the sac are those of anapple-pip. The cavity of the sac is usually filled with pus or fluidrich in cholesterine. Pus sacs occur in connection with the roots of the mandibularand maxillary teeth; they sometimes attain a large size in the upperjaw when they invade the antrum, and it is probable that some ofthese cysts are of sufficient size to simulate an abscess or a cystof that cavity. Pus sacs in connection with the mandible havebeen observed as large as a pigeons egg (Fig. 360). These pussacs are chronic abscesses, and the sac is formed of fibrous tissue. Fig. 360.âPus Sac atBoot of a lowerMolar. Nat. size.(Trans. Odonto. Soc,1894.) NECROSIS. 927 lined with granulations such as usually beset the wall of anabscess. Treatment.âThis is the same as that used for abscesses ingeneralâevacuation through the most dependent part. When thesuppuration is due to a carious tooth, extraction of the tooth andthe enlargement of its aperture of communication with the antrumwill afford good drainage. It may be necessary from time to time,when the discharges are offensive and abundant, to irrigate thecavity with some mild antiseptic solution. When the teeth are sound the cavity may be perforated with abone-drill through the canine fossa, and drainage, assisted withfree irrigation, resorted to. As soon as free drainage is established,many cases do well and rapidly close ; in others, a sinus persists formany months. In such it is well to make a thorough search fordead bone, pieces of teeth, and foreign bodies within the antrum. Disea
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