Diseases of the soft structures of the teeth and their treatment; a text-book for students and practitioners . ing of t he mandibular lymph nodesis not observed. The Peridental pain is localized, dull, steady, boringor throbbing in character; it is notparoxysmal, nor increased by a recum-bent position. Pain remain- more orless constant without much reference to externa] conditii There is little reaction to temperatureohanges; cold may give relief, whileheat does not materially affect it. Pressure at first usually relieves the pain,later it i- intensified. In the laterBtagee swelli
Diseases of the soft structures of the teeth and their treatment; a text-book for students and practitioners . ing of t he mandibular lymph nodesis not observed. The Peridental pain is localized, dull, steady, boringor throbbing in character; it is notparoxysmal, nor increased by a recum-bent position. Pain remain- more orless constant without much reference to externa] conditii There is little reaction to temperatureohanges; cold may give relief, whileheat does not materially affect it. Pressure at first usually relieves the pain,later it i- intensified. In the laterBtagee swelling is common. The tooth is raised in it- socket andstrikes before any of the others occlude. The diseased tooth is readily l<the pain is steady in degree and in itsposition. No i- flex symptoms areobsen ed. Percussion induce- pain. The tooth is very sore to the touch; occlusion in mastication or ordinaryshutting of the teeth produce- painirrespective of I henna! ohangi Carious defect-, as such, are of no con-sequence. The mandibular lymph nodes A. B, I or 1) are swollen, tender and painful on Fio. 52, drawing of the relationship of the submaxillary and the sub-mental lymph nodes to the teeth of the upper and the lower jaw. A, /> an naxillary lymph nodes; I) - submental lymph nodes. The final diagnosis Is based on the observations obtained from bcareful comparison of all the elucidated facts and usually leads toa diagnosis by exclusion. Its interpretation results in the pinosisj and the final goal t* all clinical procedures, the treatment ofthe existing disease. CHAPTER DENTIN. Hypersensitive dentin may be defined as a state in which theexposed dentin of a vital tooth is painfully responsive to mechanical,chemical, thermal or electric irritation. The primary cause mustbe always attributed to its exposure to an irritant. Absence ofenamel or otherwise pathologically exposed dentin are the neces-sary initial conditions essential for its
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