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KMID : 0362420210590010071
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Journal of Korean Academy of Prosthodontics
2021 Volume.59 No. 1 p.71 ~ p.78
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Implant-supported fixed prostheses with high-performance polymer (PEKK) abutments in partial edentulous patients: A case report
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Ha Seung-Ryong
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Abstract
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Implant treatment, which was first attempted in fully edentulous patients, is now widely used in partially edentulous, and a single tooth missing patients. Moreover, implant treatment has become an essential treatment modality in modern dentistry. The material of fabricating implant prostheses has also become more diverse than before, one of which is the use of high-performance polymers. The frequency of using high-performance polymers, which have been used in the medical field, is also increased in the dental field compared to the past. In the first case, a PEKK abutment and a PFG crown (cement-screw-retaining type) were fabricated in the lower left second premolar, and in the second case, a PEKK abutment and a monolithic zirconia crown (cement-screw-retaining type) were fabricated in the missing upper left first molar, and in the third case two PEKK abutments and a splinted PFM crowns (cement-screw-retaining type) were fabricated and connected to the upper right first and second molar implants. Through these procedures the patients obtained esthetically and functionally satisfactory results after 4 years of follow-up.
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KEYWORD
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Computer-aided design-computer-aided manufacturing (CAD-CAM), Dental implant, Polyetherketoneketone (PEKK)
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