Pilo R, Cardash H S, Oz-Ari B, Ben-Amar A
Department of Prosthetic Dentistry, Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel.
Oper Dent. 2001 Nov-Dec;26(6):569-75.
This study evaluated the effect of two dentin disinfectants (Consepsis, Tubulicid), one aqueous HEMA solution (Aqua Prep), a combination of Aqua Prep and Tubulicid and an air abrasion treatment (50 microns aluminum oxide) on the shear bond strength (SBS) of two acetone-based single bottle adhesives (One Step and Prime & Bond 2.1). The occlusal surfaces of 167 freshly extracted human third molars were ground flat to expose the dentin, then polished with a 600 grit-polishing disc. The teeth were randomly assigned to 12 test groups (two bonding agents, six pretreatment protocols). The exposed dentin was etched with 35% phosphoric acid for 20 seconds, rinsed and briefly (1-2 seconds) air dried. Six pretreatment protocols were then applied. The air abrasion groups were exceptional, as etching was carried out only after pretreatment. One Step, or Prime & Bond 2.1 was applied according to the manufacturer's instructions. Cylinders of Z-100 composite were bonded to the flat dentin surfaces by transparent gelatin capsules. Specimens were thermocycled in water baths between 5 degrees and 55 degrees C, then sheared in an Instron Testing Machine. One-way and two-way ANOVA and Tukey HSD post-hoc tests were used for statistical analysis. In the One Step group, Consepsis yielded a significantly higher SBS (17.8 MPa) than air abrasion (9.5 MPa), Control (11.8 MPa) and Aqua Prep + Tubilicid (11.9 MPa), and a comparable SBS with Tubilicid (12.5 MPa) and Aqua Prep (14.8 MPa). In the Prime & Bond 2.1 group, Aqua Prep (24.9 MPa) showed a significantly higher SBS than all other groups: air abrasion (9.3 MPa), Control (9.97 MPa), Tubilicid (12.2 MPa), Consepsis (13.0 MPa) and Tubilicid + Aqua Prep (13.3 MPa).
本研究评估了两种牙本质消毒剂（Consepsis、Tubulicid）、一种水性甲基丙烯酸羟乙酯溶液（Aqua Prep）、Aqua Prep与Tubulicid的组合以及空气研磨处理（50微米氧化铝）对两种丙酮基单瓶粘结剂（One Step和Prime & Bond 2.1）剪切粘结强度（SBS）的影响。将167颗新鲜拔除的人类第三磨牙的咬合面磨平以暴露牙本质，然后用600目抛光盘进行抛光。牙齿被随机分为12个测试组（两种粘结剂，六种预处理方案）。将暴露的牙本质用35%磷酸蚀刻20秒，冲洗并短暂（1 - 2秒）空气干燥。然后应用六种预处理方案。空气研磨组是例外情况，因为仅在预处理后进行蚀刻。按照制造商的说明应用One Step或Prime & Bond 2.1。通过透明明胶胶囊将Z - 100复合树脂圆柱体粘结到平坦的牙本质表面。样本在5摄氏度至55摄氏度的水浴中进行热循环，然后在Instron测试机中进行剪切。使用单向和双向方差分析以及Tukey HSD事后检验进行统计分析。在One Step组中，Consepsis产生的SBS（17.8兆帕）显著高于空气研磨（9.5兆帕）、对照（11.8兆帕）和Aqua Prep + Tubilicid（11.9兆帕），并且与Tubilicid（12.5兆帕）和Aqua Prep（14.8兆帕）的SBS相当。在Prime & Bond 2.1组中，Aqua Prep（24.9兆帕）显示出的SBS显著高于所有其他组：空气研磨（9.3兆帕）、对照（9.97兆帕）、Tubilicid（12.2兆帕）、Consepsis（13.0兆帕）和Tubilicid + Aqua Prep（13.3兆帕）。
