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KMID : 0355220000250010129
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Journal of Korean Academy Oral Medicine
2000 Volume.25 No. 1 p.129 ~ p.144
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Effects of Acid-etching, CO2 and Nd:YAG Lasing on the Dentin Surface
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이재학/Jae Hak Lee
박준상/고명연/June Sang Park/Myung Ko
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Abstract
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The Purpose of this study was to examine dentin surface changes of extracted sound
third molar specimens which were etched with 10% maleic acid and irradiated at 7 -
140 /㎠ with CO2 and at 156 - 280 J/㎠ with Nd:YAG laser.
The results were as follows.
1. Dentin surfaces etched with 10% maleic acid and then irradiated at below of 42J/㎠
with CO2 laser showed the retentive morphology for resin restoration.
2. Dentin surfaces irradiated at below of 42J/㎠ with CO2 laser showed
the increased acid-resistance.
3. Dentin surfaces irradiated at 218 - 280J/㎠ with Nd:YAG laser showed the retentive
morphology.
4. Dentin surfaces irradiated at 218 - 280J/㎠ with Nd:YAG laser and etched 10% maleic
acid and then 218 - 280/㎠ with Nd:YAG laser showed the increase acid-resistance.
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