. The science and practice of dental surgery. d venous dilatation, the pulp becomes deeplyreddened, the axial and peripheral blood cur-rents in the veins become confused, the redcorpuscles are densely crowded together, andstasis (the cessation of flow of the blood stream)and diapedesis (the emigration of corpusclesthrough the vessel walls) supervene. ThedUatation of the veins and capillaries arisesfrom the loss of balance of haemodynamic pres-sure, caused by the resistance of theblood stream to friction, through its slowing down. A transudation of serum is favouredby the intra-vascul
. The science and practice of dental surgery. d venous dilatation, the pulp becomes deeplyreddened, the axial and peripheral blood cur-rents in the veins become confused, the redcorpuscles are densely crowded together, andstasis (the cessation of flow of the blood stream)and diapedesis (the emigration of corpusclesthrough the vessel walls) supervene. ThedUatation of the veins and capillaries arisesfrom the loss of balance of haemodynamic pres-sure, caused by the resistance of theblood stream to friction, through its slowing down. A transudation of serum is favouredby the intra-vascular pressure ; and more or lessoedematous conditions soon ensue, because ofthe absence of lymphatics from the pulp. Ifthe conditions remain unrelieved, acute inflam-mation takes place, and deatli and moistgangrene conclude the attack. Clinically, the symptoms are those of odontal-gia coming on as a direct result of stimulationby cold. The pain may cease at once on removalof the cause, or persist for some hours andassume a neuralgic FK! C, . —Vertical .stctioii of carious tnotli with pulp (71 ; CD, Carious dentine; P, Pulp which is veryhyperaemic. X 45. INFLAMMATION Inflammation is the com])lcx local reactionof tlie tissues to injuries and lesions of variouskinds. In recent years it has become moreand more evident that the only theory thatallows the full meaning of inflammation to begrasped is the broad biological conception whichrecognizes in inflammation an adaptive, pro-tective, and reparative tendency common tothe reactions to injury among all and Riesman (9). To Cohnheim (tj) and Metchnikoft (12) belong 314 the credit for a great deal of the early and lateknowledge of tliis subject. Inflammation brings mto operation a num-ber of factors to counteract harmful agents,protect the organism at large, and effect common mode of origin, the similarity ofthe changes (though combmed in difl^erentproportions), and the evident te
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentistry, bookyear19
