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KMID : 0362719710090040159
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Journal of the Korean Dental Association
1971 Volume.9 No. 4 p.159 ~ p.162
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EXPERIMENTAL STUDY ON EFFECTS OF PULP CAPPING AGENTS THAT ARE USED IN VITAL PULPOTOMY TO PULP TISSUE
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Abstract
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To compare the effects of various pulp capping agents that are usually applied to human pulp tissue, adult dogs were bred for a certain period and each capping agent was applied experimentally to pulp tissue after vital pulpotomy.
Histological observations are as follows.
1) In comparison between methods of vital pulpotomy, one and two appointment method, different courses of healing were observed.
In one appointment method, the granulation tissue formation at the amputation sur face of pulp tissue had a tendency to be transformed to scar tissue formation. In two appointment method, more transformation than that of one appointment method from scar tissue to dentin matrix formation were observed.
2) Histologic changes that have appeared in pulp tissue are
a) fixation at outer layer
b) degeneration at middle layer
c) hyperemia and round cell infiltration at inner layer
3) With use of formottesol mixed zinc oxide powder in two appointment method complete formation of dentin matrix were observed.
4) Among the methods and agents described above formocresol mixed zinc oxide powder in two aappointnient method appeared to be relatively effective.
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