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Proceedings of the 1st Aceh International Dental Meeting (AIDEM 2019), Oral Health International Conference On Art, Nature And Material Science Development 2019最新文献

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Effect of Hydroxyapatite From Nile Tilapia (Oreochromisniloticus) Scale on Surface Hardness of Conventional and Resin Modified Glass Ionomer Cement (In Vitro Study) 尼罗罗非鱼鳞羟基磷灰石对常规和树脂改性玻璃离子水泥表面硬度的影响(体外研究)
A. Yudhit, K. Harahap, Sabrina Chairunnisa Nasution
Surface hardness of restoration materials affected its wear resistance and longevity. The addition of hydroxyapatite could improve mechanical properties of restoration material. Hydroxyapatite can be synthesized from fish scales for it contain calcium carbonate. The aim of this study was to evaluate the surface hardness of conventional and resin modified glass ionomers cement by incorporation of different wt% of hydroxyapatite from Black tilapia (Oreochromisniloticus) scales. Hydroxyapatite was synthesized from black tilapia scales by calcination method. Samples with a diameter of 5 mm and a height of 2 mm were made from conventional and resin modified glass ionomer cement, then divided into 7 groups (n=10), namely control, 2wt% GIC, 5wt% GIC, 8wt% GIC, 2wt% RMGIC, 5wt% RMGIC, and 8wt% RMGIC. Surface hardness test was measured with Vickers Hardness Tester. Result showed hardness value from each groups respectively were 49.81 ± 3.55 VHN, 34.49 ± 1.82 VHN, 32.58 ± 1.61 VHN, 36.63 ± 3.09 VHN, 32.05 ± 3.77 VHN, 36.23 ± 4.27 VHN, and 19.27 ± 1.71 VHN. One-way ANOVA test showed a significant differences in all group (p <0.05). It can be conclude that hydroxyapatite from fish scale had an effect on surface hardness of conventional and resin modified glass ionomer cement, whereas it decreased the hardness of conventional GIC, yet it increased the RMGIC hardness.
修复材料的表面硬度影响其耐磨性和寿命。羟基磷灰石的加入可以改善修复材料的力学性能。鱼鳞中含有碳酸钙,可用于合成羟基磷灰石。本研究的目的是通过掺入不同wt%的黑罗非鱼鱼鳞羟基磷灰石来评价传统和树脂改性玻璃离子水门石的表面硬度。以黑罗非鱼鱼鳞为原料,采用煅烧法制备了羟基磷灰石。采用常规和树脂改性玻璃离子水水泥制备直径为5mm、高度为2mm的样品,分为7组(n=10),分别为对照组、2wt% GIC、5wt% GIC、8wt% GIC、2wt% RMGIC、5wt% RMGIC和8wt% RMGIC。表面硬度用维氏硬度计测定。结果各组硬度值分别为49.81±3.55 VHN、34.49±1.82 VHN、32.58±1.61 VHN、36.63±3.09 VHN、32.05±3.77 VHN、36.23±4.27 VHN、19.27±1.71 VHN。单因素方差分析显示,各组间差异有统计学意义(p <0.05)。结果表明,鱼鳞羟基磷灰石对常规和树脂改性玻璃离子水泥的表面硬度有影响,而对常规GIC的硬度有降低作用,对RMGIC的硬度有提高作用。
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引用次数: 2
Reinforced Socialisation on Correct Way of Wearing Dental Braces on Students From Smpn 34 and Smpn 36 Medan Using Pocket Books 用袖珍书加强smp34、smp36学生正确佩戴牙套的社会化
Muslim, H. Lubis, Mimi Marina Lubis, Siti Bahirrah
Dental braces installed in dental artisan and beauty salons are due to lack of awareness and knowledge of the community, especially school students about the indication of the use of dental braces and its consequences if used with improper purposes. One of the government's efforts to improve dental health rates for school students is the holding of the oral healthcare program (UKGS) in school. However, the oral healthcare program has not been evenly implemented and it is rare to conduct outreach about the use of dental braces. The purpose of this study was to increase knowledge about the correct use of braces in students of SMPN 34 and SMPN 36 Medan. This research was a descriptive study using 118 student samples from SMPN 34 and SMPN 36 Medan. The results of this study showed that was 92.6% of male students and 84.4% of female students knew that braces function was to straighten teeth, 79.6% male students and 78.1% female students knew the purpose of installing braces was for health, and 92.6% of male students and 84.4% of female students have known that braces installation must be performed by an orthodontist. The conclusion of this study was the level of knowledge about the use of braces in students of SMPN 34 and SMPN 36 Medan was quite high.
在牙科工匠和美容院安装牙套是由于社会,特别是在校学生对牙套的使用指示及其后果缺乏认识和知识,如果使用不当的目的。政府提高在校学生牙齿保健率的努力之一是在学校举办口腔保健计划(UKGS)。然而,口腔保健计划并没有得到均匀的实施,很少进行外展关于使用牙套。本研究的目的是提高SMPN 34和SMPN 36棉兰学生正确使用牙套的知识。本研究是一项描述性研究,使用来自棉兰市SMPN 34和SMPN 36的118名学生样本。本研究结果显示,92.6%的男生和84.4%的女生知道牙套的作用是矫正牙齿,79.6%的男生和78.1%的女生知道安装牙套的目的是为了健康,92.6%的男生和84.4%的女生知道安装牙套必须由正畸医生进行。本研究的结论是SMPN 34和SMPN 36棉兰学生对牙套使用的知识水平相当高。
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引用次数: 0
Root Canal Treatment on Vertucci Type V Configuration – A Case Report Vertucci V型根管治疗1例报告
Hernawatiningsih, Yulita Kristanti, Dayinah Harman Subandhi
Root canal configuration influence the succeed of root canal treatment, because the morphological complexity of the root canal makes the procedure for preparation and obturation of the root canal more challenging. The anatomy and morphology of the root canal can be classified according to the Vertucci root canal classification system. In the Vertucci type V classification at the apical third of root the canal is divided into two separate root canals with two different apical foramen. This condition requires appropriate obturation techniques in order to obtain a hermetic seal. Case report: A 19 year old female patient wanted her upper left posterior tooth to be treated. Post dental history revealed there was spontaneous pain in the tooth, particularly happened at night. There was no pain detected during examination. The objective examination showed there was secondary caries in mesioincisal area of maxillary left first premolar tooth. Percussion, palpation and thermal vitality test was negative. The periapical radiograph revealed a radiolucent area at the apex of the tooth. The diagnosis established for this tooth was partial pulp necrosis with asymptomatic apical periodontitis. The configuration of the root canal was established as Vertucci type V. Root canal treatment using rotary crown down preparation technique and obturation with warm vertical condensation were performed, followed by class II composite resin restoration reinforced by short fiber reinforced composite. Conclusion: Root canal treatment with warm vertical condensation obturation technique is the appropriate treatment of choice for Vertucci type V root canal configuration.
根管形态影响根管治疗的成功,因为根管形态的复杂性使得根管的准备和封闭过程更具挑战性。根管的解剖形态可根据Vertucci根管分类系统进行分类。在Vertucci V型分类中,在根的根尖三分之一处,根管被分为两个独立的根管,有两个不同的根尖孔。这种情况需要适当的封闭技术,以获得密封。病例报告:一名19岁的女性患者想要治疗她的左上后牙。术后牙科病史显示牙齿有自发性疼痛,尤其在夜间。检查时未发现疼痛。客观检查显示上颌左第一前磨牙近切区有继发龋。叩诊、触诊、热活力试验均为阴性。根尖周x线片显示在牙齿顶端有一个透光区。诊断为部分牙髓坏死并无症状的根尖牙周炎。根管形态确定为Vertucci v型根管,根管处理采用转冠向下预备技术和热垂直凝结封闭,然后采用短纤维增强复合材料增强II类复合树脂修复。结论:对于Vertucci V型根管配置,采用热垂直冷凝充填技术进行根管治疗是合适的选择。
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引用次数: 0
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Proceedings of the 1st Aceh International Dental Meeting (AIDEM 2019), Oral Health International Conference On Art, Nature And Material Science Development 2019
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