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KMID : 0363020050350030719
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Journal of Korean Academy of Periodontology
2005 Volume.35 No. 3 p.719 ~ p.730
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A comparative study of the effect of root planning methods and various conditioning agents
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강승모
홍기석/임성빈/정진형
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Abstract
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The purpose of this study was to compare the effect of tetracycline HCL, Citric acid and
PrefGel applied on the root surfaces that planed with periodontal curret with Roto bur.
In this study, 20 extracted teeth with advanced periodontal disease were used. The teeth
were root planing with periodontal curette and Roto bur. Following root planing, each agents
was burnished on the prepared root surface for 3 minutes to find opened dentinal tubules.
And then, each specimens were investigated using scanning electron microscope. Amount of
remained cementum by loss of tooth substance index and the number of opened dentinal
tubules were evaluated to each specimens
The results were as follows.
1. Groups treated with periodontal curette were almost seemed no removed. Other groups
treated with Roto bur showed partially opened dentinal tubule orifices.
2. Loss of tooth substance index were compared between groups. There was no statistically
difference between periodontal curette groups. Between Roto bur groups was alike. But
there were statistically differences between periodontal curette and Roto bur groups.
3. At comparing with various root conditioning agents, Tetracycline HCL group took
statistically higher than Citric acid and PrefGel in opened dentinal tubules. On the other
hand, there was no statistically difference between Citric acid group and PrefGel group.
As a result of this study, groups treated with Roto bur showed more cementum removed
than groups treated with periodontal curette. In a treatment for regeneration of periodontal
tissue, it was regarded that Roto bur should be used and that Tetracycline HCL would be
more effective as chemical root conditioning agent.2)
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KEYWORD
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root planing, root conditioning agent
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