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Flexural and compressive properties of layered specimens formed with flowable and composite resins
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논문 기본 정보

Type
Academic journal
Author
Jang-Hoon Lee (Pusan National University) Seung-Seo Kim (Pusan National University) Hyo-Joung Seol (Pusan National University) Yong Hoon Kwon (Pusan National University)
Journal
Korean Society for Dental Materials Korean Journal of Dental Materials Vol.45 No.2(Wn.118) KCI Accredited Journals
Published
2018.6
Pages
129 - 137 (9page)
DOI
10.14815/kjdm.2018.45.2.129

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Topic
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Method
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Result
Flexural and compressive properties of layered specimens formed with flowable and composite resins
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Abstract· Keywords

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Flowable resins can be used as a base material during the restoration of deep tooth cavity. The purpose of the present study was to evaluate the mechanical properties of the layered specimens which have flowable resin as a base material. For the study, two composite resins and five flowable resins were chosen for the overlying and base materials, respectively. Flexural and compressive properties of each bulk and ten layered specimens were measured. Layered specimens showed high flexural strength (FS) and flexural modulus (FM) if bulk state FS and FM of the base flowable resin are high. However, compressive strength (CS) was not that case. CS of the layered specimen was not high (251.4~295.3 MPa) whether CS of the bulk state is high or not (259.8~439.8 MPa). FM showed high linear correlation with CM. After all mechanical properties of the layered specimens were not consistently influenced by the mechanical properties of the base flowable resins regardless of the overlying composite resins.
#레진수리 #복합레진 #굴곡성질 #압축성질 #Resin repair #Composite resin #Flexural property #Compressive property

Contents

INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES

References (22)

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Abedian B / 2006 / An effective method for spreading flowable composites in resin-based restorations / Oper Dent 31:151~154 Crossref Anusavice KJ / 2003 / Phillips' science of dental materials / W.B. Saunders Co. google schola Beun S / 2012 / Physical, mechanical and rheological characterization of resin-based pit and fissure sealants compared to flowable resin composites / Dent Mater 28:349~359 Crossref Craig RG / 1958 / Elastic and mechanical properties of human dentin / J Dent Res 37:710~718 Crossref Davidson CL / 1997 / Polymerization shrinkage and polymerization shrinkage stress in polymer-based restoratives / J Dent 25:435~440 Crossref

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UCI(KEPA) : I410-ECN-0101-2018-515-003111949