. The science and practice of dental surgery. Fig. 556.—Rarefying periodontitis. Section of a molar tooth under-going rarefaction with the absorbent organ in , Area invaded by rarefaction process; B. Multi-nucleated cell; C, Connective tissue ; D, Dentine, x 60. (Section prepared by Ernest B. Dowsett.) X-rays the condition can usually be demon-strated clearly, and thus an accurate diagnosisbe made. Fig. 557.—Necrosis of a tooth commencing at theapex and spreading towards the neck. treatment for a few days the con-dition shows no improvement, thetooth should be extracted. Necrosis of Teet
. The science and practice of dental surgery. Fig. 556.—Rarefying periodontitis. Section of a molar tooth under-going rarefaction with the absorbent organ in , Area invaded by rarefaction process; B. Multi-nucleated cell; C, Connective tissue ; D, Dentine, x 60. (Section prepared by Ernest B. Dowsett.) X-rays the condition can usually be demon-strated clearly, and thus an accurate diagnosisbe made. Fig. 557.—Necrosis of a tooth commencing at theapex and spreading towards the neck. treatment for a few days the con-dition shows no improvement, thetooth should be extracted. Necrosis of Teeth.^—Necrosis is aterm appUed to calcified tissues thathave undergone absolute and per-petual arrest of nutrition. Wlien thevitality of a tooth-pulp has beendestroyed it is customary to refer tothe tooth so affected as dead, but theterm is incorrect. The tooth maynot be wholly dead; its cementummay for a long time retain orgamcconnections with the living tissuesoutside it by means of the peri-odontal membrane; and it is onlywhen the nou
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentistry, bookyear19
