. The Dental cosmos. ss around a molar that wasremoved because of an alveolar abscess onthe lingual root. It will be seen thatthis tooth had suffered from mechanicalabrasion as well as from caries, and thatthe pulp had not builded a barrier,though no radical operative procedurehad been attempted. I think the essayist overestimates therecuperative power of the pulp as opposedto rapid caries. Thirty-five years obser-vation has led me to believe that the VOL. LIV.—3 pulp pays very little attention to cariesuntil the infiltration of acid begins toirritate it, and then it is quite oftentoo late; bu
. The Dental cosmos. ss around a molar that wasremoved because of an alveolar abscess onthe lingual root. It will be seen thatthis tooth had suffered from mechanicalabrasion as well as from caries, and thatthe pulp had not builded a barrier,though no radical operative procedurehad been attempted. I think the essayist overestimates therecuperative power of the pulp as opposedto rapid caries. Thirty-five years obser-vation has led me to believe that the VOL. LIV.—3 pulp pays very little attention to cariesuntil the infiltration of acid begins toirritate it, and then it is quite oftentoo late; but I do believe that mechan-ical abrasion will stimulate the pulp tothrow out secondary dentin, and whenthe loss of tissue is not too rapid thepulp chamber may be filled with second-ary dentin and the usefulness of thetooth prolonged. But often in constrictedchannels the deposit never reaches thepulp chamber, but occurs in the canals,and these may often be filled to the apex,as is the case in the root shown. Fig. Molar in which the root-canals are filled withsecondary dentin, while the pulp chamberis not. We are told that bacteria are ever pres-ent and only waiting a lowering of thegeneral health of the patient to start uptrouble. An abscess is formed on theroot, and when the patient seeks reliefin extraction, so the essayist states, wehave a diseased pulp horn isolated bysecondary dentin and a putrescent pulpchamber, also isolated. Do not be mis-led by the nicely rounded sentences!Dead pulps build no secondary dentin. It is difficult to comprehend just whatthe essayist means by the following state-ment: Beginning at the time of youthwith an approximal cavity backed by ahealthy pulp, active in building a protec-tive barrier opposite the point of inva-sion. The time of youth is a veryindefinite term, and may cover a periodup to ten or more years, and an ap-proximal cavity no doubt means a cavityin the approximal surface of a tooth, but 34 THE DENTAL COSMOS. how in the name
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentist, bookyear1912
