文献类型： 会议论文

第一作者： Dwi Aji Nugroho

作者： Dwi Aji Nugroho ¹ ; Widjijono ² ; Nuryono ³ ; Widya Asmara ⁴ ; Aulia Rahmasari ⁵ ; Ensa Dyota ⁵ ;

作者机构： 1.Department of Biomaterial, School of Dentistry, Faculty of Medical and Health Science, Universitas Muhammadiyah Yogyakarta

2.Department of Biomaterial, Faculty of Dentistry, Universitas Gadjah Mada

3.Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada

4.Department of Microbiology, Faculty of Veterinary, Universitas Gadjah Mada

5.School of Dentistry, Faculty of Medical and Health Science, Universitas Muhammadiyah Yogyakarta

关键词： Sisal nanofiber;Dental restorative composite;Tensile strength;Microscopic adhesion

会议名称： International Conference on Sustainable Innovation - Health Science and Nursing

主办单位：

页码： 551-555

摘要： Background: Dental Composite consists of inorganic filler material that does not have chemical adhesion to organic materials. Tooth structure and adhesive materials contained many organic materials. Inorganic fillers could be substituted by organic material. This material was sisal fiber. These fibers were hard and used as mechanical amplifiers to the matrix resin. This study manufactured dental composite with sisal nanofibers as the filler. Objective: This study investigated the microscopic adhesion between dental composite made from sisal nanofibers to tooth structure which was tested by tensile strength. Materials and Methods: Sisal fiber was converted into nano-sized. It was mixed with BisGMA (Sigma Aldrich), UDMA (Sigma Aldrich), TEGDMA (Sigma Aldrich), Champhorquinone (Sigma Aldrich). Composite Z350 XT (3M ESPE) was utilized as control. We used ten cone-shape samples (4×4×2 mm). They were divided into 2 groups namely sisal nanofibers composite labeled as group A; Z350 XT as group B. Extracted premolar teeth were filled using samples with the total-etch adhesive (3M ESPE). The samples were investigated using a Scanning Electron Microscope (SEM) (JSM-6510LA) and their tensile strength was tested using a Universal Testing Machine (Vertical test ASL-S). The data were processed by Independent Sample T-Test analysis. Results: The mean of the tensile strength of group A was 4.39 MPa, and that of group B was 1.23 MPa. There was a significant difference (p = 0.004; p < 0.05). SEM observation showed that there was no gap between the tooth structure with composite group A. Conclusion: Group A had better adhesion to tooth structure than group B and adequate tensile strength.

分类号： R1-53