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210 THE TREATMENT OF PULPS
results, on account of the pressure produced in the vessels, in
the passage of a portion of the blood into the interstices of the
pulp tissue, with the result that a condition of Inflammation is
established. When Venous Hyperaemia or Inflammation is
present, the only alternative is the destruction and removal of the
pulp.
3. If the condition be still further neglected, germs, con-
stantly present in the mouth, make their entrance into the
pulp tissue, with the result that pus formation occurs (Sup-
puration), or the death of the pulp is finally accomplished
through a process of putrefaction, with the formation of mal-
odorous gases (Putrefactive Decomposition or Moist Gan-
grene). If, however, germs do not enter, the pulp will die a
natural death from lack of nourishment (its blood supply
being interfered with) and the condition of Dry Gangrene is
established.
4. If these latter conditions supervene, there is then always
the possibility of the pathological condition extending through
the apical foramen, with the resultant production of disease
processes in the tissues of the apical space, and the formation
of an Alveolar Abscess.
The diseases of the pulp mentioned above are progressive
in character and may be briefly described as follows
1 Arterial Hyperaemia.—An increased supply of blood in
the arteries of the pulp, resulting in over-fullness and disten-
tion of these vessels, with consequent pressure on the nerves
and resultant pain.
2. Venous Hyperaemia.—The blood is dammed back into
the veins, with the production of the same conditions in these
vessels, increased pain from pressure, and passage of lymph
and red corpuscles into the interstices of the pulp.
3. Inflammation.—The pressure in veins and arteries re-
sults, in addition to the preceding complications, in the passage
210 THE TREATMENT OF PULPS
results, on account of the pressure produced in the vessels, in
the passage of a portion of the blood into the interstices of the
pulp tissue, with the result that a condition of Inflammation is
established. When Venous Hyperaemia or Inflammation is
present, the only alternative is the destruction and removal of the
pulp.
3. If the condition be still further neglected, germs, con-
stantly present in the mouth, make their entrance into the
pulp tissue, with the result that pus formation occurs (Sup-
puration), or the death of the pulp is finally accomplished
through a process of putrefaction, with the formation of mal-
odorous gases (Putrefactive Decomposition or Moist Gan-
grene). If, however, germs do not enter, the pulp will die a
natural death from lack of nourishment (its blood supply
being interfered with) and the condition of Dry Gangrene is
established.
4. If these latter conditions supervene, there is then always
the possibility of the pathological condition extending through
the apical foramen, with the resultant production of disease
processes in the tissues of the apical space, and the formation
of an Alveolar Abscess.
The diseases of the pulp mentioned above are progressive
in character and may be briefly described as follows
1 Arterial Hyperaemia.—An increased supply of blood in
the arteries of the pulp, resulting in over-fullness and disten-
tion of these vessels, with consequent pressure on the nerves
and resultant pain.
2. Venous Hyperaemia.—The blood is dammed back into
the veins, with the production of the same conditions in these
vessels, increased pain from pressure, and passage of lymph
and red corpuscles into the interstices of the pulp.
3. Inflammation.—The pressure in veins and arteries re-
sults, in addition to the preceding complications, in the passage
