The Dental cosmos . ls, together with an increasednumber of platelets. Marantic, anemic,and debilitated conditions which oftenform the sequelae of long-continued andenfeebling fevers and diseases, probablyalso have the same or similar effects onthe tissues of the vascular system. The cases here presented are entirelyfree from intrinsic calcification, are un- arteritis, atheroma or endarteritis, aneu-rysmal varix, phlebitis, or varicosity ofthe veins. CLINICAL SIGNIFICANCE. Of what value to the dental surgeon isa knowledge of the pathological statesimperfectly sketched in the preceding HOPEWELL
The Dental cosmos . ls, together with an increasednumber of platelets. Marantic, anemic,and debilitated conditions which oftenform the sequelae of long-continued andenfeebling fevers and diseases, probablyalso have the same or similar effects onthe tissues of the vascular system. The cases here presented are entirelyfree from intrinsic calcification, are un- arteritis, atheroma or endarteritis, aneu-rysmal varix, phlebitis, or varicosity ofthe veins. CLINICAL SIGNIFICANCE. Of what value to the dental surgeon isa knowledge of the pathological statesimperfectly sketched in the preceding HOPEWELL-SM ITII .—VASCULAR LESIONS OF THE DENTAL PULP. 141 pages? Can it assist him in the moreperfect performance of his daily duties?Certainly; for it is at once obvious thatif an attempt be made to cap an ex-posure of a pulp which happened to be manifest and indisputable. It is ofcourse acknowledged that thrombosis andfibrosis are undiagnosable during life,but they may always be suspected in weakor unhealthy diseased in this way, no matter how care-fully or how aseptically the operation bedone, no new secondary or adventitiousdentin would be produced to heal thebreach of surface; and also the obstaclessurrounding the complete devitalizationof the pulp by means of arsenous acid,or its painless extirpation by means ofpressure anesthesia, become immediately The knowledge might perhaps explainthe deaths of pulps where no evidentlesion could be ascertained. And, finally, it is not difficult to believethat, when the blood system of the pulp isderanged in the way already desc ribed, itis deprived of its trophic functions withregard to the tissues around. Teeth losetheir accustomed vitality and become 142 THE DEXTAL COSMOS. more susceptible to outside influences anddisturbances. At first remaining in jectively, the degenerated pulp may beginto pass on its lowered vitality to the den- Fig. 18.
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