Wikipedia-flexural strength.<\/a><\/p>\n![\"\"](\"http:\/\/www.cerecdigest.net\/wp-content\/uploads\/2017\/07\/\u87a2\u5e55\u5feb\u7167-2017-07-03-\u4e0b\u53481.28.50.png\")
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\u5716\u4e8c\u3001\u6a4b\u9ad4\u53d7\u529b\u60c5\u5f62\u3002\u9760\u8fd1\u53d7\u529b\u65b9\u5411\u7684\u54ac\u5408\u9762\uff0c\u6750\u6599\u627f\u53d7\u7684\u662f\u58d3\u529b\uff0c\u800c\u53e6\u4e00\u5074\u5247\u662f\u5f35\u529b\u3002Source\uff1aAnusavice, K. J., Shen, C., & Rawls, H. R. (2013). Phillips’ science of dental materials<\/i>. Elsevier Health Sciences.<\/p>\n
![\"\"](\"http:\/\/www.cerecdigest.net\/wp-content\/uploads\/2017\/07\/Schematic-illustration-of-the-piston-on-three-ball-biaxial-flexural-test-device.jpg\")
<\/p>\n
\u5716\u4e09\u3001\u96d9\u8ef8\u5f4e\u66f2\u6e2c\u8a66 (biaxial flexural test) \u793a\u610f\u5716\u3002Source:\u00a0Oh, G. J.et al. (2010). Sintering behavior and mechanical properties of zirconia compacts fabricated by uniaxial press forming.\u00a0The journal of advanced prosthodontics<\/i>,\u00a02<\/i>(3), 81-87.<\/p>\n
\u8868\u4e00\u6574\u7406\u8fd1\u4e94\u5e74 CAD\/CAM \u5e38\u898b\u584a\u6750\u4e4b\u5f4e\u66f2\u5f37\u5ea6\u7684\u6578\u64da\uff08\u641c\u5c0b\u689d\u4ef6\uff1aPubmed \u641c\u5c0b\u95dc\u9375\u5b57\u300cCAD\/CAM flexural strength\u300d\u5728 2013 – 2017 \u4e03\u6708\u7bc4\u570d\u4e2d\u5f97\u5230 39 \u7bc7\uff0c\u6536\u9304\u4e0b\u5217\u5e7e\u7a2e\u5e38\u898b\u7684 CAD\/CAM \u7528\u584a\u6750\u4e4b\u4e09\u9ede\u5f4e\u66f2\u6e2c\u8a66\u7d50\u679c\uff0c\u5171\u8a08 16 \u7bc7\uff0c\u672a\u6536\u9304\u7684\u6587\u7ae0\u4e2d\u6709 2 \u7bc7\u662f\u56e0\u70ba\u7121\u6cd5\u53d6\u5f97\u5168\u6587\uff09\u3002\u53ef\u4ee5\u770b\u5230\u5927\u81f4\u5f37\u5ea6\u6bd4\u8f03\u7531\u5c0f\u5230\u5927\u70ba\uff1a\u9577\u77f3 (Mark II)\u3001\u767d\u69b4\u77f3 (Empress CAD)\u3001\u6a39\u8102\u9676\u74f7 (Enamic, Pradigm MZ100, Cerasmart, Lava Ultimate)\u3001\u4e8c\u77fd\u9178\u92f0 (e.max CAD) \u53ca\u6c27\u5316\u92ef\u5f37\u5316\u77fd\u9178\u92f0 (Celtra Duo, Suprinit) \u3001\u591a\u6676\u9676\u74f7 (YZ T\/HT, inCoris TZI)\u3002\u6b64\u5f37\u5ea6\u8868\u73fe\u547c\u61c9\u5176\u5167\u90e8\u9676\u74f7\u7684\u7d50\u69cb\u8207\u6676\u578b\uff0c\u73bb\u7483\u9676\u74f7\u7d50\u6676\u6392\u5217\u8f03\u6563\u4e82\u4e14\u4e0d\u898f\u5247\u5f37\u5ea6\u6700\u5f31\uff0c\u800c\u6dfb\u52a0\u4e86\u7d50\u6676\u9846\u7c92\u7684\u73bb\u7483\u9676\u74f7\u5f37\u5ea6\u8868\u73fe\u589e\u52a0\uff0c\u591a\u6676\u9676\u74f7\u7d50\u6676\u6392\u5217\u6700\u8f03\u7dca\u5bc6\u4e14\u898f\u5247\uff0c\u5f37\u5ea6\u6700\u9ad8\u3002<\/p>\n
![\"\"](\"http:\/\/www.cerecdigest.net\/wp-content\/uploads\/2017\/08\/Flexural-strength\u6574\u7406.png\")
\u8868\u4e00\u3001CAD\/CAM \u5e38\u898b\u584a\u6750\u4e4b\u5f4e\u66f2\u5f37\u5ea6\u6587\u737b\u6574\u7406\u3002\u4e09\u9ede\u5f4e\u66f2\u6e2c\u8a66\u7d50\u679c\uff08\u62ec\u5f27\u5167\u70ba\u6a19\u6e96\u5dee\uff09\uff0c\u55ae\u4f4d\u70ba MPa\u3002<\/p>\n
\n\u6297\u65b7\u88c2\u97cc\u6027 (fracture toughness)<\/h3>\n
\u9676\u74f7\u70ba\u8106\u6027\u6750\u6599\uff0c\u5176\u5167\u90e8\u53ca\u8868\u9762\u7684\u88c2\u75d5 (crack) \u53ca\u7f3a\u9677 (defect) \u5c0d\u6750\u6599\u7684\u8010\u4e45\u5ea6\u5f71\u97ff\u751a\u5927\uff0c\u4e5f\u56e0\u6b64\u4e86\u89e3\u6750\u6599\u5728\u6709\u88c2\u75d5\u6642\u7684\u8868\u73fe\u975e\u5e38\u91cd\u8981\u3002\u6297\u65b7\u88c2\u97cc\u6027 (fracture toughness) \u6307\u7684\u662f\u7576\u6e2c\u91cf\u6750\u6599\u8868\u9762\u6709\u88c2\u75d5\uff0c\u6b64\u6750\u6599\u5728\u53d7\u529b\u6642\u62b5\u6297\u88c2\u75d5\u5ef6\u4f38\u7684\u80fd\u529b\uff0c\u5176\u6e2c\u8a66\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u7a2e\uff0c\u5305\u542b\u55ae\u908a V \u523b\u7d0b (Single Edge \u201cV\u201d notch Beam, SEVNB) \u3001\u55ae\u908a\u9810\u88c2\u8a66\u7247 (Single Edge Precracked Beam, SEPB) \u3001\u55ae\u908a\u51f9\u69fd\u8a66\u7247 (single edge notch beam, SENB)\u3001Chevron \u523b\u7d0b\u8a66\u7247 (Chevron Notch Beam) \u53ca\u8868\u9762\u88c2\u7d0b\u4e4b\u5f4e\u66f2\u6e2c\u8a66 (Surface Crack in Flexure) \u7b49\u7684\u65b9\u6cd5\u3002\u5e38\u4ee5 K1c \u4f86\u8868\u793a\u6297\u65b7\u88c2\u97cc\u6027\uff0c\u55ae\u4f4d\u70ba MPa\u2022m1\/2<\/sup> \u3002<\/p>\n\u8868\u4e8c\u6574\u7406 CAD\/CAM \u5e38\u898b\u584a\u6750\u4e4b\u6297\u65b7\u88c2\u97cc\u6027\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u770b\u5230\u5927\u81f4\u5f37\u5ea6\u6bd4\u8f03\u7531\u5c0f\u5230\u5927\u7684\u8da8\u52e2\u8207\u6297\u5f4e\u66f2\u5f37\u5ea6\u6e2c\u8a66\u985e\u4f3c\u3002\uff08\u641c\u5c0b\u689d\u4ef6\uff1aPubmed \u641c\u5c0b\u95dc\u9375\u5b57\u300cCAD\/CAM fracture toughness\u300d\u5728 2013 – 2017 \u4e03\u6708\u7bc4\u570d\u4e2d\u5f97\u5230 18 \u7bc7\uff0c\u6536\u9304\u4e0b\u5217\u5e38\u898b\u7684 CAD\/CAM \u7528\u584a\u6750\u4e4b\u6297\u65b7\u88c2\u97cc\u6027\u6e2c\u8a66\u7d50\u679c\uff0c\u5171\u8a08 5 \u7bc7\uff0c\u672a\u6536\u9304\u7684\u6587\u7ae0\u4e2d\u6709 1 \u7bc7\u662f\u56e0\u70ba\u7121\u6cd5\u53d6\u5f97\u5168\u6587\u3002\uff09<\/p>\n
![\"\"](\"http:\/\/www.cerecdigest.net\/wp-content\/uploads\/2017\/08\/Fracture-toughness\u6574\u7406.png\")
\u8868\u4e8c\u3001CAD\/CAM \u5e38\u898b\u584a\u6750\u4e4b\u6297\u65b7\u88c2\u97cc\u6027\u6587\u737b\u6574\u7406\u3002\u6297\u65b7\u88c2\u97cc\u6027\u6e2c\u8a66\u7d50\u679c\uff08\u62ec\u5f27\u5167\u70ba\u6a19\u6e96\u5dee\uff09\uff0c\u55ae\u4f4d\uff1aMPa\u2022m1\/2<\/sup>\uff09\u3002SEVNB = Single Edge \u201cV\u201dnotch Beam; SENB = single edge notch beam; IS = indentation strength technique\u3002<\/p>\n
\n\u7d50\u8a9e<\/h3>\n
\u85c9\u7531\u5f37\u5ea6\u6211\u5011\u53ef\u4ee5\u7c21\u55ae\u5730\u6b78\u7d0d\u51fa\u4e0d\u540c\u6750\u6599\u9069\u61c9\u75c7\u7bc4\u570d\uff08\u5716\u4e09\uff09\uff0c\u5f37\u5ea6\u8f03\u5f31\u7684\u9577\u77f3\u53ca\u767d\u7460\u77f3\u6750\u6599\u5ee0\u5546\u5927\u591a\u5efa\u8b70\u53ea\u4f7f\u7528\u5728\u524d\u7259\u5340\u53ca\u5d4c\u9ad4\u8d17\u5fa9\u7269\uff0c\u800c\u5f8c\u7259\u5340\u53ca\u7259\u6a4b\u5247\u8003\u616e\u9078\u7528\u5f37\u5ea6\u8f03\u5f37\u7684\u6750\u6599\uff0c\u5982\u4e8c\u77fd\u9178\u92f0\u3001\u4e8c\u6c27\u5316\u92ef\u5f37\u5316\u77fd\u9178\u92f0\u3001\u6c27\u5316\u92ef\u7b49\u6750\u6599\u3002\u5176\u4ed6\u9084\u9700\u8981\u8003\u91cf\u4e0d\u540c\u74f7\u584a\u7684\u5207\u5272\u908a\u7de3\u7834\u640d (chipping) \u60c5\u5f62\u3001\u7f8e\u89c0\u8003\u91cf\uff08\u5982\u8272\u6fa4\u3001\u900f\u5149\u6027\u3001\u67d3\u8272\u6548\u679c\u53ca\u53ef\u62cb\u5149\u6027\uff09\u53ca\u751f\u7269\u8003\u91cf\uff08\u6240\u9700\u6700\u5c0f\u539a\u5ea6\u53ca\u5c0d\u9f52\u8cea\u78e8\u8017\u7a0b\u5ea6\uff09\uff0c\u7576\u6211\u5011\u5c0d\u9676\u74f7\u7684\u6027\u8cea\u638c\u63e1\u7a0b\u5ea6\u8d8a\u9ad8\uff0c\u8d8a\u80fd\u91dd\u5c0d\u60a3\u8005\u7684\u72c0\u6cc1\u53ca\u9700\u6c42\u9078\u51fa\u5408\u9069\u7684\u6750\u6599\uff0c\u9054\u5230\u826f\u597d\u8010\u4e45\u7684\u8d0b\u5fa9\u54c1\u8cea\u3002<\/p>\n
![](\"http:\/\/www.cerecdigest.net\/wp-content\/uploads\/2017\/02\/\u6295\u5f71\u72471.jpg\")
<\/p>\n
\u5716\u4e09\u3001\u00a0\u9676\u74f7\u6599\u584a\u7684\u5f37\u5ea6\u4ee5\u53ca\u57fa\u672c\u9069\u61c9\u75c7\u3002 Source\uff1aTooth faerie club\uff0c\u6574\u7406\u81ea\u00a0Phillips\u2019 science of dental materials<\/em>. 12nd<\/sup> ed. \u4ee5\u53ca\u5404\u5ee0\u724c\u8aaa\u660e\u66f8\u3002<\/p>\n
\nReferences<\/h3>\n1. Jin, J., H. Takahashi, and N. Iwasaki, Effect of test method on flexural strength of recent dental ceramics. Dent Mater J, 2004. 23(4): p. 490-6.
\n2. Nguyen, J.F., et al., Properties of experimental urethane dimethacrylate-based dental resin composite blocks obtained via thermo-polymerization under high pressure. Dent Mater, 2013. 29(5): p. 535-41.
\n3. Nguyen, J.F., et al., High-temperature-pressure polymerized resin-infiltrated ceramic networks. J Dent Res, 2014. 93(1): p. 62-7.
\n4. Coldea, A., M.V. Swain, and N. Thiel, In-vitro strength degradation of dental ceramics and novel PICN material by sharp indentation. J Mech Behav Biomed Mater, 2013. 26: p. 34-42.
\n5. Vichi, A., et al., Flexural resistance of Cerec CAD\/CAM system ceramic blocks. Part 1: Chairside materials. Am J Dent, 2013. 26(5): p. 255-9.
\n6. Lauvahutanon, S., et al., Mechanical properties of composite resin blocks for CAD\/CAM. Dent Mater J, 2014. 33(5): p. 705-10.
\n7. Stawarczyk, B., et al., Evaluation of mechanical and optical behavior of current esthetic dental restorative CAD\/CAM composites. J Mech Behav Biomed Mater, 2015. 55: p. 1-11.
\n8. Aurelio, I.L., et al., Extended glaze firing improves flexural strength of a glass ceramic. Dent Mater, 2015. 31(12): p. e316-24.
\n9. Awada, A. and D. Nathanson, Mechanical properties of resin-ceramic CAD\/CAM restorative materials. J Prosthet Dent, 2015. 114(4): p. 587-93.
\n10. Homaei, E., et al., Static and fatigue mechanical behavior of three dental CAD\/CAM ceramics. J Mech Behav Biomed Mater, 2016. 59: p. 304-13.
\n11. Lawson, N.C., R. Bansal, and J.O. Burgess, Wear, strength, modulus and hardness of CAD\/CAM restorative materials. Dent Mater, 2016. 32(11): p. e275-e283.
\n12. Elsaka, S.E. and A.M. Elnaghy, Mechanical properties of zirconia reinforced lithium silicate glass-ceramic. Dent Mater, 2016. 32(7): p. 908-14.
\n13. Petersen, R. and P.R. Liu, 3d-Woven Fiber-Reinforced Composite for Cad\/Cam Dental Application. Sampe J, 2016. 2016.
\n14. Ankyu, S., et al., Fatigue analysis of computer-aided design\/computer-aided manufacturing resin-based composite vs. lithium disilicate glass-ceramic. Eur J Oral Sci, 2016. 124(4): p. 387-95.
\n15. Vichi, A., et al., Comparison of Contrast Ratio, Translucency Parameter, and Flexural Strength of Traditional and “Augmented Translucency” Zirconia for CEREC CAD\/CAM System. J Esthet Restor Dent, 2016. 28 Suppl 1: p. S32-9.
\n16. Egilmez, F., et al., Does artificial aging affect mechanical properties of CAD\/CAM composite materials. J Prosthodont Res, 2017
\n17. Tsujimoto, A., et al., Influence of Thermal Cycling on Flexural Properties and Simulated Wear of Computer-aided Design\/Computer-aided Manufacturing Resin Composites. Oper Dent, 2017. 42(1): p. 101-110.
\n18. Cui, B., et al., Mechanical properties of polymer-infiltrated-ceramic (sodium aluminum silicate) composites for dental restoration. J Dent, 2017. 62: p. 91-97.
\n19. Cesar, P.F., et al., ADM guidance-Ceramics: Fracture toughness testing and method selection. Dent Mater, 2017. 33(6): p. 575-584.
\n20. Swain, M.V., et al., Interpenetrating network ceramic-resin composite dental restorative materials. Dent Mater, 2016. 32(1): p. 34-42.
\n21. Porto, T., et al., Mechanical properties and DIC analyses of CAD\/CAM materials. J Clin Exp Dent, 2016. 8(5): p. e512-e516.
\n22. Jiang, Y., et al., Measurement of J-integral in CAD\/CAM dental ceramics and composite resin by digital image correlation. J Mech Behav Biomed Mater, 2016. 62: p. 240-6.
\n23. Badawy, R., O. El-Mowafy, and L.E. Tam, Fracture toughness of chairside CAD\/CAM materials – Alternative loading approach for compact tension test. Dent Mater, 2016. 32(7): p. 847-52.
\n24. Oh, G. J.et al. Sintering behavior and mechanical properties of zirconia compacts fabricated by uniaxial press forming.\u00a0The journal of advanced prosthodontics, 2010\u00a02(3), 81-87.<\/h6>\n","protected":false},"excerpt":{"rendered":"
\u9676\u74f7\u70ba CAD\/CAM \u6700\u5e38\u4f7f\u7528\u7684\u584a\u6750\uff0c\u5ee0\u5546\u63d0\u4f9b\u7684\u5f37\u5ea6\u6578\u64da\u5e38\u5e38\u8b93\u91ab\u5e2b\u4e00\u982d\u9727\u6c34\uff0c\u4e0d\u77e5\u5f9e\u4f55\u6bd4\u8f03\u8d77\u3002\u672c\u6587\u8a0e\u8ad6\u9676\u74f7\u6750\u6599\u91cd\u8981\u7684\u5169\u500b\u6a5f\u68b0\u6027\u8cea\u4e26\u6574\u7406\u6587\u737b\u6e2c\u8a66\u8cc7\u6599\uff0c\u63d0\u4f9b\u81e8\u5e8a\u8d17\u5fa9\u7269\u9078\u64c7\u53c3\u8003\u3002…<\/p>\n","protected":false},"author":6,"featured_media":1785,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"generate_page_header":"","footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[33],"tags":[65,66,67,68],"yoast_head":"\n
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