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482 JJEMV-AL VEOLA R A BSCESS.
the pericementum, tlie pus discharging at the neck of the affected tooth.
Many of these cases occur
in connection Avith pulpless
teeth which have eh)ugated,
or those in Avhieli there has
already been h)ss of i)eri-
cementum.
Abscesses upon the upper
central or lateral incisors may
Fig. 461.
Blind ubsct'ss al the root of an upper Acute alveolar abscess of a lower incisor with pus cav-
Incisor (Black) : a, abscess cavity ity between the bone and the periosteum (Black)
in bone; b, drill hole exposing the a, pus cavity in the bone ; h, pus between the peri-
pulp chamber for treatment. osteum and bone; c, lip: d, tootli ; e, tongue.
perforate the na.sal floor (see Fig. 463). After a period of marked perice-
FiG. 464.
Alveolar abscess at the root of Alveolar abscess at the root of an upper
a superior incisor discharging molar discharging into the antrum of
into the nose (Black) ; a, large Highmore (Black j: a, abscess cavity in
abscess cavity in the bone ; b, the bone; b, mouth of fistula on the
mouth (if fistula on the floor of floor of the antrum ; c, pus in the antral
nostril ; c, lip ; d, tooth. cavity.
mental disturbance, the inflammatory action running high, causing pain
and swelling of the nostril of the same side, the symj^toms may suddenly
482 JJEMV-AL VEOLA R A BSCESS.
the pericementum, tlie pus discharging at the neck of the affected tooth.
Many of these cases occur
in connection Avith pulpless
teeth which have eh)ugated,
or those in Avhieli there has
already been h)ss of i)eri-
cementum.
Abscesses upon the upper
central or lateral incisors may
Fig. 461.
Blind ubsct'ss al the root of an upper Acute alveolar abscess of a lower incisor with pus cav-
Incisor (Black) : a, abscess cavity ity between the bone and the periosteum (Black)
in bone; b, drill hole exposing the a, pus cavity in the bone ; h, pus between the peri-
pulp chamber for treatment. osteum and bone; c, lip: d, tootli ; e, tongue.
perforate the na.sal floor (see Fig. 463). After a period of marked perice-
FiG. 464.
Alveolar abscess at the root of Alveolar abscess at the root of an upper
a superior incisor discharging molar discharging into the antrum of
into the nose (Black) ; a, large Highmore (Black j: a, abscess cavity in
abscess cavity in the bone ; b, the bone; b, mouth of fistula on the
mouth (if fistula on the floor of floor of the antrum ; c, pus in the antral
nostril ; c, lip ; d, tooth. cavity.
mental disturbance, the inflammatory action running high, causing pain
and swelling of the nostril of the same side, the symj^toms may suddenly
