Dental review; devoted to the advancement of dentistry. . later years. Why then, should we disturb Na-tures pulp covering if we can thoroughly sterilize it and leave it inthe tooth? Dr. F. B. Notes: I will admit that gutta-percha is as much a foreign matter asanything can be. The fact is that gutta-percha is non-irritating, anddecalcified dentin is extremely irritating. Further, the tissues willlive and functionate in contact with gutta-percha, but they will notin contact with decalcified dentin matrix that contains a trace ofacid, whether steril or not. You remove the decalcified tissue back
Dental review; devoted to the advancement of dentistry. . later years. Why then, should we disturb Na-tures pulp covering if we can thoroughly sterilize it and leave it inthe tooth? Dr. F. B. Notes: I will admit that gutta-percha is as much a foreign matter asanything can be. The fact is that gutta-percha is non-irritating, anddecalcified dentin is extremely irritating. Further, the tissues willlive and functionate in contact with gutta-percha, but they will notin contact with decalcified dentin matrix that contains a trace ofacid, whether steril or not. You remove the decalcified tissue back tothe calcified dentin, and replace it with a covering of non-irritatingmaterial, and the pulp tissue will begin at the point of dentin, withwhich it can be in physiological relation, and it will continue itsphysiological action. Biologically it is practically impossible for thepulp to form secondary dentin over a decalcified dentin matrix, butif that is removed it can begin the formation of secondary dentin. THE DENTAL REVIEW. FOREIGN DENTAL Danish Dental College, Copenhagen, Denmark. DENTAL COLLEGES. FOREIGN DENTAL COLLEGES. 283
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