CAJ | 학술논문

目的比较树脂粘接剂与同色调试色糊剂颜色效果的一致性,评价树脂粘接剂色调对牙体瓷贴面美学效果的影响,以期为临床提供参考.方法选用48颗树脂右上颌中切牙,用随机化数字表随机分为8组(每组6颗),模拟临床贴面牙体预备.制作二硅酸锂压铸陶瓷贴面,分别使用8种色调(LV-3、LV-2、MV、HV+2、HV+3、WO、TR、A3色)试色糊剂试色,并用同色调树脂粘接剂粘接于树脂牙上.使用比色仪测量瓷贴面粘接前、试色时及粘接后的色度参数,并计算粘接前后贴面色差值(△E1)和试色时与粘接后贴面色差值(△E2).结果 8种色调树脂粘接剂△E1范围为0.93～ 6.79,其中LV-3、HV+3和WO色调树脂粘接剂△E1分别为3.31、4.90和6.79.除HV+3色调树脂粘接剂△E2为3.65外,其余色调树脂粘接剂粘接后与试色时的瓷贴面色差值在0.72～ 1.79之间.结论 LV-3、HV+3和WO色调树脂粘接剂能改变贴面的最终颜色.除HV+3色调外,其余色调树脂粘接剂与同色调试色糊剂对瓷贴面颜色的影响有较好的一致性.
목적 비교수지점접제여동색조시색호제안색효과적일치성,평개수지점접제색조대아체자첩면미학효과적영향,이기위림상제공삼고.방법 선용48과수지우상합중절아,용수궤화수자표수궤분위8조(매조6과),모의림상첩면아체예비.제작이규산리압주도자첩면,분별사용8충색조(LV-3、LV-2、MV、HV+2、HV+3、WO、TR、A3색)시색호제시색,병용동색조수지점접제점접우수지아상.사용비색의측량자첩면점접전、시색시급점접후적색도삼수,병계산점접전후첩면색차치(△E1)화시색시여점접후첩면색차치(△E2).결과 8충색조수지점접제△E1범위위0.93～ 6.79,기중LV-3、HV+3화WO색조수지점접제△E1분별위3.31、4.90화6.79.제HV+3색조수지점접제△E2위3.65외,기여색조수지점접제점접후여시색시적자첩면색차치재0.72～ 1.79지간.결론 LV-3、HV+3화WO색조수지점접제능개변첩면적최종안색.제HV+3색조외,기여색조수지점접제여동색조시색호제대자첩면안색적영향유교호적일치성.
Objective To evaluate the influence of various shades of resin cements on the final color of an improved lithium-disilicate pressed glass ceramic veneers and analyze the agreement of resin cements and corresponding try-in pastes.Methods Forty-eight artificial maxillary central incisor teeth were sequenced according to the measured color parameters and divided at random into 8 groups(n=6).These artificial teeth were prepared following veneer preparation protocol.An improved lithium-disilicate pressed glass ceramic materials(IPS e.max Press,Ivoclar Vivadent) were selected as the veneer material.The shape and curvature of each veneer wax pattern were duplicated with the same impression to guarantee the similarity.The ceramic veneer specimens were delivered on the artificial teeth using the corresponding try-in pastes of 8 shades(Variolink Veneer,shades of LV-3,LV-2,MV,HV+2,HV+3; and 3M RelyXTM Veneer,shades of WO,TR,A3) and bonded with the resin cements.A clinical spectrophotometer was used to measure the color parameters of the ceramic veneers before the try-in,during the try-in procedure,and after cementation.△E values and C*ab values were calculated.Results The result of one-way ANOVA indicated that the color changes of ceramic veneer cementation with resin cements were statistically significantly different in the shades of resin cements(P＜0.001).The △E values of ceramic veneer after cementation ranged from 0.93 to 6.79.The color changes of ceramic veneer specimens using the shades of LV-3,HV+3,WO were 3.31,4.90 and 6.79,respectively(△E＞3.3).The △E values of the ceramic veneer specimens between the resin cements and corresponding try-in pastes were from 0.72 to 1.79(except the shade of HV + 3).Conclusions The LV-3,HV+3,WO shades were able to change the final color of a ceramic veneer.The color of resin cements and corresponding try-in pastes achieved high agreement(except the shade of HV+3).