Bis-GMA树脂基材料40 s光照条件的聚合度分析
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摘要
目的探讨两类光固化树脂基材料在40 s光照下的聚合情况。方法采用傅立叶转换红外光谱分析法(FTIR)探讨两种光固化复合树脂Filtek Z100、Filtek Z350及一种光固化树脂水门汀Relyx Veneer、一种双固化树脂水门汀Nexus 3 (NX3)光照40 s并放置24 h及两周后聚合度的变化。结果红外光谱结果发现40 s光照后两类树脂基材料双键转化度仅达到50%左右,随着放置时间增加树脂聚合度会有所提高;放置相同时间时,复合树脂中Z350聚合度高于Z100,树脂水门汀中光固化材料Relyx Veneer聚合度高于双固化树脂水门汀NX3。结论 40 s光照时间不足以使树脂基材料达到完全聚合的效果。
Objective To evaluate conversion degrees of light-cured resins under 40 seconds' light irradiation. Methods Fourier transform infrared spectroscopy(FTIR) was used to study the effect of 40 seconds' irradiation on the conversion degrees of two kinds of light-cured composite resins Filtek Z100, Tiltek Z350, one kind of light-cured resin cement Relyx Veneer and one kind of dual-cured resin cement Nexus 3(NX3) when stored for 24 hours and two weeks. Results For all the groups, the degree of double bond conversion of resin was only about 50% after 40 seconds' irradiation, and the conversion degrees increased along with the storage time. When stored for the same amount of time, conversion degree of Z350 composite resin was higher than that of Z100, while for resin cements it was higher in Relyx Veneer group. Conclusion 40 seconds' irradiation is not sufficient to make the resin polymerized completely.
Objective To evaluate conversion degrees of light-cured resins under 40 seconds' light irradiation. Methods Fourier transform infrared spectroscopy(FTIR) was used to study the effect of 40 seconds' irradiation on the conversion degrees of two kinds of light-cured composite resins Filtek Z100, Tiltek Z350, one kind of light-cured resin cement Relyx Veneer and one kind of dual-cured resin cement Nexus 3(NX3) when stored for 24 hours and two weeks. Results For all the groups, the degree of double bond conversion of resin was only about 50% after 40 seconds' irradiation, and the conversion degrees increased along with the storage time. When stored for the same amount of time, conversion degree of Z350 composite resin was higher than that of Z100, while for resin cements it was higher in Relyx Veneer group. Conclusion 40 seconds' irradiation is not sufficient to make the resin polymerized completely.
引文
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[35] Passos SP,Kimpara ET,Bottino MA,et al.Effect of ceramic shade on the degree of conversion of a dual-cure resin cement analyzed by FTIR[J].Dent Mater,2013,29(3):317-323.
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[37] Ilie N,Hickel R.Correlation between ceramics translucency and polymerization efficiency through ceramics[J].Dent Mater,2008,24(7):908-914.
[2] Chesterman J,Jowett A,Gallacher A,et al.Bulk-fill resin-based composite restorative materials:a review[J].Br Dent J,2017,222(5):337-344.
[3] Meng X,Yoshida K,Atsuta M.Influence of ceramic thickness on mechanical properties and polymer structure of dual-cured resin luting agents[J].Dent Mater,2008,24(5):594-599.
[4] Calheiros FC,Kawano Y,Stansbury JW,et al.Influence of radiant exposure on contraction stress,degree of conversion and mechanical properties of resin composites[J].Dent Mater,2006,22(9):799-803.
[5] Emami N,Soderholm KJ.Influence of light-curing procedures and photo-initiator/co-initiator composition on the degree of conversion of light curing resins[J].Mater Sci Mater Med,2005,16(1):47-52.
[6] Price RBT,Felix CA,Andreou P.Knoop hardness of ten resin composites irradiated with high-power LED and quartz-tungsten-halogen lights[J].Biomaterials,2005,26(15):2631-2641.
[7] Fatima N.Influence of extended light exposure curing times on the degree of conversion of resin-based pit and fissure sealant materials[J].Saudi Dent J,2014,26(4):151-155.
[8] Lise DP,Van Ende A,De Munck J,et al.Light irradiance through novel CAD-CAM block materials and degree of conversion of composite cements[J].Dent Mater,2018,3 (2):296-305.
[9] Bay?nd?r B?,Nemli SK,Bayar? SH,et al.The effect of monolithic zirconia thickness on the degree of conversion of dental resin cements:ATR-FTIR spectroscopic analysis[J].Vib Spectrosc,2016,86:212-217.
[10] Tian B,Qiao YY,Tian YY,et al.FTIR study on structural changes of different-rank coals caused by single/multiple extraction with cyclohexanone and NMP/CS2 mixed solvent[J].Fuel Process technol,2015,154:210-218.
[11] De Wald JP,Ferracane JL.A comparison of four modes of evalua-ting depth of cure of light-activated composites[J].J Dent Res,1987,66(3):727-730.
[12] Hass V,Dobrovolski M,Grande CZ,et al.Correlation between degree of conversion,resin-dentin bond strength and nanoleakage of simplified etch-and-rinse adhesives[J].Dent Mater,2013,29(9):921-928.
[13] Ferracane J,Mitchem J,Condon J,et al.Wear and marginal breakdown of composites with various degrees of cure[J].J Dent Res,1997,76(8):1508-1516.
[14] Alshali RZ,Silikas N,Satterthwaite JD.Degree of conversion of bulk-fill compared to conventional resin-composites at two time intervals[J].Dent Mater,2013,29(9):e213-e217.
[15] 郑慧霞,刘丽.Bis—GMA基复合树脂单体释放的研究进展[J].口腔材料器械杂志,2014,23(4):213-217.
[16] Santerre JP,Shajii L,Leung BW.Relation of dental composite formulations to their degradation and the release of hydrolyzed polymeric-resin-derived products[J].Crit Rev Oral Biol Med,2001,12(2):136-151.
[17] Michelsen VB,Lygre H,Skalevik R,et al.Identification of organic eluates from four polymer-based dental filling materials[J].Eur J Oral Sci,2003,111(3):263-271.
[18] Rauber GB,Baratieri LN,Bernardon JK,et al.Degree of conversion and biaxial flexural strength of composite resins[J].Dent Mater,2018,34(1):e17-18.
[19] Oajewski VE,Pfeifer CS,Froes SNR,et al.Monomers used in resin composites:degree of conversion,mechanical properties and water sorption/solubility[J].Braz Dent J,2012,23(5):508-514.
[20] Amirouche KA,Mouzali M,Watts DC.Effects of monomer ratios and highly radiopaque fillers on degree of conversion and shrinkage-strain of dental resin composites[J].Dent Mater,2009,25(11):1411-1418.
[21] Sideridou ID,Aehilias DS.Elution study of unreaeted BisCMA,TEGDMA,UDMA,and Bis-EMA from light-cured dental resins and resin composites using HPIC[J].J Biomed Mater Res B Appl Biomater,2005,74(1):617-626.
[22] 丁虹,兰卫东,孟翔峰.固化模式对双重固化流动复合树脂聚合能力影响的研究[J].中国实用口腔科杂志,2012,5(12):738-741.
[23] Arrais CA,Giannini M,Rueggeberg FA.Kinetic analysis of monomer conversion in auto- and dual-polymerizing modes of commercial resin luting cements[J].J Prosthet Dent,2009,101(2):128-136.
[24] Ferracane JL.Hygroscopic and hydrolytic effects in dental polymer networks[J].Dent Mater,2006,22(3):211-222.
[25] Rizzante FAP,Locatelli PM,Porto TS,et al.Physico-mechanical properties of resin cement light cured through different ceramic spacers[J].J Mech Behav Biomed,2018,85:170-174.
[26] Meng X,Yoshida K,Atsuta M.Hardness development of dual-cured resin cements through different thicknesses of ceramics[J].Dent Mater J,2006,25(1):132-137.
[27] Pazin MC,Moraes RR,Gonc LS,et al.Effects of ceramic thickness and curing unit on light transmission through leucite-reinforced material and polymerization of dual-cured luting agent[J].J Oral Sci,2008,50(2):131-136.
[28] Par M,Lapas-Barisic M,Gamulin O,et al.Long term degree of conversion of two bulk-fill composites[J].Acta Stomatol Croat,2016,50(4):292-300.
[29] Karakis D,Bicer AZY,Dogan A,et al.Effect of self and dual-curing on degree of conversion and crosslink density of dual-cure core build-up materials[J].J Prosthodont Res,2016,61(2):210-216.
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[32] Bagis B,Bagis Y,Ertas E,et al.Comparison of the heat generation of light curing units[J].J Contemp Dent Pract,2008,9(2):65-72.
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[35] Passos SP,Kimpara ET,Bottino MA,et al.Effect of ceramic shade on the degree of conversion of a dual-cure resin cement analyzed by FTIR[J].Dent Mater,2013,29(3):317-323.
[36] Strang R,McCrosson J,Muirhead GM,et al.The setting of visible light-cured resins beneath etched porcelain veneers[J].Brit Dent J,1987,163(5):149-151.
[37] Ilie N,Hickel R.Correlation between ceramics translucency and polymerization efficiency through ceramics[J].Dent Mater,2008,24(7):908-914.