• Korean Journal of Mathematics
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• v.18 no.1
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• pp.79-86
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• 2010

In this paper we give some results on homomorphisms of flows. In particular, we investigate the sufficient conditions for the homomorphism of flows to be its own regularizer.

• 대한미세수술학회:학술대회논문집
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• 1996.10a
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• pp.168.2-169
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• 1996

• 대한관절경학회:학술대회논문집
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• 2006.11a
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• pp.30-31
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• 2006

• Proceedings of the PSK Conference
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• 2000.04a
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• pp.151.3-152
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• 2000

• The Academic Congress of Korean Shoulder and Elbow Society
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• 2006.03a
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• pp.65-65
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• 2006

• The Academic Congress of Korean Shoulder and Elbow Society
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• 2000.03a
• /
• pp.64-68
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• 2000

• Proceedings of the PSK Conference
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• 2002.04a
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• pp.158.3-159
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• 2002

• The Journal of the Korean dental association
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• v.42 no.9 s.424
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• pp.632-637
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• 2004

• Proceedings of the KACD Conference
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• 2007.11a
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• pp.627-627
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• 2007

• The Journal of Korean Academy of Prosthodontics
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• v.52 no.4
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• pp.324-330
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• 2014

In case of implant-tooth connected prosthesis, a natural tooth tends to intrude. There are several mechanisms that explain an intrusion phenomenon. So it is reco mmended not to connect an implant with a natural tooth. A 68-year-old female had upper left $2^{nd}$ premolar and $2^{nd}$ molar extracted and underwent implant surgery on the missing area. We made an implant prosthesis and treated upper left $1^{st}$ molar with a gold crown. 2.5 year later, the patient complained about loose proximal contact and food impaction between upper left $1^{st}$ molar and $2^{nd}$ molar. Mesial side of upper left $2^{nd}$ molar implant prosthesis was soldered so that proximal contact became tight again. But after 7 months, about 2 mm intrusion of upper left $1^{st}$ molar occurred, and the patient felt periodontally originated pain on intruded upper left $1^{st}$ molar. After the gold crown on upper left $1^{st}$ molar was removed, extrusion occurred and pain was relived.