Fabrication of composite resin blocks by combining high strength of ceramic fillers with excellent fracture toughness of resin matrix, which can be applied to CAD/CAM restoration was investigated in this study. Ceramic fillers were heat-treated que...
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RISS 인기검색어
리튬 다이실리케이트 세라믹을 이용한 CAD/CAM용 컴포짓 레진 블록의 제조 = Fabrication of Composite Resin Block for Dental CAD/CAM Restoration
한글로보기https://www.riss.kr/link?id=T14167283
- 저자
-
발행사항
광주 : 조선대학교, 2016
-
학위논문사항
학위논문(박사) -- 조선대학교 일반대학원 , 치의학과 , 2016. 8
-
발행연도
2016
-
작성언어
한국어
- 주제어
-
DDC
617.6 판사항(21)
-
발행국(도시)
광주
-
형태사항
v,30p. 26cm
-
일반주기명
지도교수:고영무
참고문헌 : p.26-30 -
UCI식별코드
I804:24011-200000265676
-
소장기관
- 국립중앙도서관
- 조선대학교 도서관
- 국립중앙도서관
-
0
상세조회 -
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부가정보
다국어 초록 (Multilingual Abstract)
Fabrication of composite resin blocks by combining high strength of ceramic fillers with excellent fracture toughness of resin matrix, which can be applied to CAD/CAM restoration was investigated in this study.
Ceramic fillers were heat-treated quenched glasses in order to crystallize the lithium disilicate phase, then milled into average size of 3.4 μm and subsequently silanated. They were mixed with resin matrix, which was prepared by mixing TEGDMA into Bis-GMA with weight ratio of 4:6 with benzoyl peroxide as a thermal curing initiator as well butylated hydroxytoluene as a polymerization inhibitor, and thermal cured into blocks.
Flexural strength, cured depth, water sorption, solubility, radio-opacity, distortion, cracking, porosity, blanching were determined according to international standard ISO 4049 Dentistry-Polymer-based restorative materials, ISO 6872 Dentistry-Ceramic materials, and ISO 22112 Dentistry-Artificial teeth for dental prostheses.
Flexural strength of the fillers increased after crystallization in all composition and reached maximum 323.0 MPa with addition of BaO, MgO, CaO and Al2O3.
The optimum allowance of the thermal curing initiator was 0.3 wt% cosidering stability in shelf, though the flexural strength of resin matrix was increased with increasing thermal curing initiator. The optimal thermal curing condition was 80℃ for 12 hrs due to distortion and cracking when cured at higher temperature for longer time. Flexural strength of the composite resin block was increased with increasing the content of the filler, then reached 198.0 MPa at 70 wt%.
The fabricated composite resin block is expected to be CAD/CAM block in dental resotration.
Ceramic fillers were heat-treated quenched glasses in order to crystallize the lithium disilicate phase, then milled into average size of 3.4 μm and subsequently silanated. They were mixed with resin matrix, which was prepared by mixing TEGDMA into Bis-GMA with weight ratio of 4:6 with benzoyl peroxide as a thermal curing initiator as well butylated hydroxytoluene as a polymerization inhibitor, and thermal cured into blocks.
Flexural strength, cured depth, water sorption, solubility, radio-opacity, distortion, cracking, porosity, blanching were determined according to international standard ISO 4049 Dentistry-Polymer-based restorative materials, ISO 6872 Dentistry-Ceramic materials, and ISO 22112 Dentistry-Artificial teeth for dental prostheses.
Flexural strength of the fillers increased after crystallization in all composition and reached maximum 323.0 MPa with addition of BaO, MgO, CaO and Al2O3.
The optimum allowance of the thermal curing initiator was 0.3 wt% cosidering stability in shelf, though the flexural strength of resin matrix was increased with increasing thermal curing initiator. The optimal thermal curing condition was 80℃ for 12 hrs due to distortion and cracking when cured at higher temperature for longer time. Flexural strength of the composite resin block was increased with increasing the content of the filler, then reached 198.0 MPa at 70 wt%.
The fabricated composite resin block is expected to be CAD/CAM block in dental resotration.
Fabrication of composite resin blocks by combining high strength of ceramic fillers with excellent fracture toughness of resin matrix, which can be applied to CAD/CAM restoration was investigated in this study.
Ceramic fillers were heat-treated quenched glasses in order to crystallize the lithium disilicate phase, then milled into average size of 3.4 μm and subsequently silanated. They were mixed with resin matrix, which was prepared by mixing TEGDMA into Bis-GMA with weight ratio of 4:6 with benzoyl peroxide as a thermal curing initiator as well butylated hydroxytoluene as a polymerization inhibitor, and thermal cured into blocks.
Flexural strength, cured depth, water sorption, solubility, radio-opacity, distortion, cracking, porosity, blanching were determined according to international standard ISO 4049 Dentistry-Polymer-based restorative materials, ISO 6872 Dentistry-Ceramic materials, and ISO 22112 Dentistry-Artificial teeth for dental prostheses.
Flexural strength of the fillers increased after crystallization in all composition and reached maximum 323.0 MPa with addition of BaO, MgO, CaO and Al2O3.
The optimum allowance of the thermal curing initiator was 0.3 wt% cosidering stability in shelf, though the flexural strength of resin matrix was increased with increasing thermal curing initiator. The optimal thermal curing condition was 80℃ for 12 hrs due to distortion and cracking when cured at higher temperature for longer time. Flexural strength of the composite resin block was increased with increasing the content of the filler, then reached 198.0 MPa at 70 wt%.
The fabricated composite resin block is expected to be CAD/CAM block in dental resotration.
목차 (Table of Contents)
- 목 차
- ABSTRACT iv
- 목 차
- ABSTRACT iv
- 서 론 1
- 재료 및 방법 3
- (1) 실험재료 3
- 가. 필러 제조 3
- 나. 필러의 실란 처리 4
- 다. 레진 제조 4
- 라. 블록 제조 4
- (2) 실험방법 9
- 가. 열 분석 9
- 나. X선 회절 분석 9
- 다. 입도 분석 9
- 라. 굴곡 강도 측정 9
- 마. 중합 깊이 측정 10
- 바. 물흡수도 및 용해도 측정 10
- 사. 기포 및 결함 관찰 10
- 아. 탈색, 변형, 균열 관찰 11
- 자. 방사선 불투과도 측정 11
- 연구 결과 12
- 총괄 및 고찰 19
- 결 론 25
- 참고문헌 26
참고문헌 (Reference)
1. Nanofilled 복합레진, 박정원, 대한치과의사협회, 대한치과의사협회지 :45[5]:280-283, , 2007
2. CAD/CAM의 치과적 응용, 문지은, 김성훈, 최호식, 대한치과의사협회, 대한치과의사학회지 : 50[3]:110-107, , 2012
3. 치과기공소용 CAD/CAM 시스템, 양정삼, 한국 CAD/CAM학회지 :14[2]:12-18, , 2008
4. 치과 디지털 인상의 이해와 적용, 김려운, 허유리, 장근원, 손미경, 대한치과재료학회, 대한치과재료 학회지 :41[4]:253-261, , 2014
5. 지르코니아 CAD/CAM block의 강도에 관한 연구, 이정수, 대한치과기공학회, 대한치과기공학회지 :30[2]:65-69, , 2008
6. 치과 CAD/CAM 시스템의 밀링장비에 관한 고찰, 김홍명, 김웅철, 김지환, 최병열, 덴포라인, , 2014
7. CAD/CAM용 신소재 컴포짓트 블록의 마모도 평가, 고영무, 이우근, 강동호, 대한치 과재료학회지 :42[2]:127-142, , 2015
9. 치과용 CAD/CAM 시스템을 이용한 지르코니아 코핑의 정확성에 관 한 연구, 최병환, 윤성근, 대한치과기공학회, 대한치과기공학회지 :33[2]:137-145, , 2011
1. Nanofilled 복합레진, 박정원, 대한치과의사협회, 대한치과의사협회지 :45[5]:280-283, , 2007
2. CAD/CAM의 치과적 응용, 문지은, 김성훈, 최호식, 대한치과의사협회, 대한치과의사학회지 : 50[3]:110-107, , 2012
3. 치과기공소용 CAD/CAM 시스템, 양정삼, 한국 CAD/CAM학회지 :14[2]:12-18, , 2008
4. 치과 디지털 인상의 이해와 적용, 김려운, 허유리, 장근원, 손미경, 대한치과재료학회, 대한치과재료 학회지 :41[4]:253-261, , 2014
5. 지르코니아 CAD/CAM block의 강도에 관한 연구, 이정수, 대한치과기공학회, 대한치과기공학회지 :30[2]:65-69, , 2008
6. 치과 CAD/CAM 시스템의 밀링장비에 관한 고찰, 김홍명, 김웅철, 김지환, 최병열, 덴포라인, , 2014
7. CAD/CAM용 신소재 컴포짓트 블록의 마모도 평가, 고영무, 이우근, 강동호, 대한치 과재료학회지 :42[2]:127-142, , 2015
9. 치과용 CAD/CAM 시스템을 이용한 지르코니아 코핑의 정확성에 관 한 연구, 최병환, 윤성근, 대한치과기공학회, 대한치과기공학회지 :33[2]:137-145, , 2011
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