Various surface treatment methods and resin cement type on the influence of bonding strength of zirconia ceramics

doi:10.3969/j.issn.2095-4344.3027

Abstract

Abstract: BACKGROUND: Due to the stability of the physical and chemical properties of zirconia ceramics, its poor adhesiveness has seriously affected the clinical application of zirconia ceramic prosthesis.
OBJECTIVE: To analyze the effect of different surface treatment methods and resin cement on the bonding strength of zirconia ceramics.
METHODS: Totally 240 zirconia blocks were randomly divided into 16 groups, with 15 in each group. In group A, the treatment method was sandblasting+hydrofluoric acid+Monobond-s+Panavia F 2.0. In group B, the treatment method was sandblasting+hydrofluoric acid+Monobond-s+Perma Cem-Dual. In group C, the treatment method was sandblasting+hydrofluoric acid+new silane coupling agent+Panavia F 2.0. In group D, the treatment method was sandblasting+hydrofluoric acid+new silane coupling agent+Perma Cem-Dual. In group E, the treatment method was sandblasting+Monobond-s+Panavia F 2.0. In group F, the treatment method was sandblasting+Monobond-s+Perma Cem-Dual. In group G, the treatment method was sandblasting+Monobond-s+Panavia F 2.0 resin cement binder. In group H, the treatment method was sandblasting+new silane coupling agent+Perma Cem-Dual. In group I, the treatment method was hydrofluoric acid+Monobond-s+Panavia F 2.0. In group J, the treatment method was hydrofluoric acid+Monobond-s+Perma Cem-Dual. In group K, the treatment method was hydrofluoric acid+new silane coupling agent+Panavia F 2.0. In group L, the treatment method was hydrofluoric acid+new silane coupling agent+Perma Cem-Dual. In group M, the treatment method was Monobond-s+Panavia F 2.0. In group N, the treatment method was Monobond-s+Perma Cem-Dual. In group O, the treatment method was new silane coupling agent+Panavia F 2.0. In group P, the treatment method was new silane coupling agent+Perma Cem-Dual. Panavia F 2.0 and Perma Cem-Dual were resin cement binders. Monobond-s was commercial silane coupling agent. The bonding strength of each group was tested.
RESULTS AND CONCLUSION: (1) The bonding strength of groups C, G and H was higher than that of the remaining 13 groups (P < 0.05). The bonding strength of groups A, B, C, D, E, F, G and H was higher than that of groups I, J , K, L, M, N, and P (P < 0.05). (2) The results show that the combined use of zirconia sandblasting and new silane coupling agent can significantly improve the bonding strength of ceramic-cement. Hydrofluoric acid pretreatment is ineffective. The different types of cement will have a certain effect on the bonding strength.

Key words: bone">, material">, ceramic">, zirconia">, bonding strength">, silane coupling agent">, resin cement">, sandblasting

CLC Number:

Li Rui, Wang Chen, Zhang Wenyi, Ma Shiqing, Sun Yingchun. Various surface treatment methods and resin cement type on the influence of bonding strength of zirconia ceramics[J]. Chinese Journal of Tissue Engineering Research, 2021, 25(10): 1528-1532.

Figures/Tables 1

2.1 剪切实验结果不同表面预处理条件氧化锆陶瓷与两种树脂水门汀间的粘接强度显示在表2中。G组的粘接强度最高，为35.1 MPa，其粘接强度与C、D、H组比较差异无显著性意义(P > 0.05)，该4组粘接强度高于其他12组(P < 0.05)；J组粘接强度最低，为9.4 MPa，其粘接强度与I、L、M、N、P组比较差异无显著性意义(P >0.05)。实验结果显示小粒径氧化铝喷砂处理陶瓷的实验组(A-H)与大多数未经表面喷砂处理的实验组(I、J-N、P)的粘接强度比较差异无显著性意义(P < 0.05)。值得注意的是K、O这两组未经喷砂预处理，但是获得了略好的粘接强度，分别是17.6 MPa和18.5 MPa。虽然这个粘接强度均低于经喷砂处理的A-H组(P < 0.05)，但是与A、D、E、F组比较差异无显著性意义(P > 0.05)。这两组的相似之处是均使用实验设计的新型硅烷偶联剂处理和含有MDP磷酸酯类单体的Panavia F 2.0进行黏结。观察表面喷砂后的各组可以发现，使用新型硅烷偶联剂处理的C、G、H组得到了较高的粘接强度，与使用商业硅烷偶联剂的A、B、E、F组比较差异有显著性意义(P < 0.05)。如果单独考虑氢氟酸处理因素，在其他相关影响因素相同条件下进行对比，A组与E组、B组与F组、C组与G组、D组与H组，组间差异均无显著性意义(P > 0.05)。同样如果单独考虑MDP磷酸酯类水门汀因素，在其他相关影响因素相同条件下进行对比，A组与B组、C组与D组、E组与F组、G组与H组，组间差异均无显著性意义(P > 0.05)。观察未表面喷砂各组可以发现相似的规律。单氢氟酸处理因素，对比I组与M组、J组与N组、K组与O组、L组与P组，组间差异均无显著性意义(P > 0.05)。单MDP因素，对比I组与J组、K组与L组、M组与N组、O组与P组，组间差异均无显著性意义(P > 0.05)。 2.2 破裂面形式结果氧化锆陶瓷与树脂水门汀黏结体剪切实验后的破裂面形式显示在表2中。从表中可以看出表面喷砂组(A-H)的破裂面形式大多数为内聚破坏，少量试料出现混合破坏。未喷砂组的破裂面形式比较多样，总体趋势是内聚破坏的减少，破裂面形式逐渐转变为混合破坏和界面破坏，并且与喷砂组相比出现了显著差异。 "

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