Indonesian Journal of Prosthodontic最新文献

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The effect of polishing agents on the transverse strength of heat cured acrylic resin bases 抛光剂对热固化丙烯酸树脂基横向强度的影响
Indonesian Journal of Prosthodontic Pub Date : 2020-06-12 DOI: 10.46934/ijp.v1i1.7
Tiysha Suraskurmar, Syafrinani Syafrinani
{"title":"The effect of polishing agents on the transverse strength of heat cured acrylic resin bases","authors":"Tiysha Suraskurmar, Syafrinani Syafrinani","doi":"10.46934/ijp.v1i1.7","DOIUrl":"https://doi.org/10.46934/ijp.v1i1.7","url":null,"abstract":"Introduction: Heat cured acrylic resin is frequently used denture base material whereby transverse strength is one of the mechanical properties that must be observed. A rough surface absorbs water, reduces strength of denture bases, thus polishing should be done. Pumice is the most abrasive material used in dentistry. Eggshell and toothpaste can be used as alternative abrasive materials. This study aims to determine the differences in value of transverse strength of HCA resin once polished using pumice, eggshells, and toothpaste. Method: This laboratory experimental study using sample sized 65x10x2.5 mm with 30 samples in total for 3 groups. Transverse strength was measured using Universal Testing Machine. The data were analyzed using one-way Anova. Result: The comparison ratio of transverse strength between HCA resin after polishing with pumice, eggshells and tooth paste is 93.63 : 118.42 : 105.91 MPa. It shows there were significant differences in transverse strength between groups with significant value p was 0.001 which less than 0.05. Conclusion: The value of transverse strength varies according to polishing material used. Eggshell has the highest transverse strength value compared to pumice and toothpaste.","PeriodicalId":159162,"journal":{"name":"Indonesian Journal of Prosthodontic","volume":"343 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116128153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Comparison between endocrown fracture resistance with post core crown 内冠与桩核冠抗骨折性的比较
Indonesian Journal of Prosthodontic Pub Date : 2020-06-12 DOI: 10.46934/ijp.v1i1.5
Yohanes Paulus Krisna, I. Tanti
{"title":"Comparison between endocrown fracture resistance with post core crown","authors":"Yohanes Paulus Krisna, I. Tanti","doi":"10.46934/ijp.v1i1.5","DOIUrl":"https://doi.org/10.46934/ijp.v1i1.5","url":null,"abstract":"The concept of minimally invasive restoration has been more approached lately, with the aim of preserve the remaining tooth structure especially after endodotic treatment. Endocrown is one type of restoration that might be the solution. Endocrown is made of glass-ceramic material, defined as a single restoration that uses pulp chambers as a retention and resistance form, margin of preparation is above the gingiva in order to preserve tooth structure. Endocrown was initiated by Pissis in 1995 and popularized by Bindl and Mörmann in 1999. According to late research, crown endocrown has higher fracture resistance than post-core crown. Although the literature on endocrown is still limited, empirical evidence leads to positive view for the use of this restoration.","PeriodicalId":159162,"journal":{"name":"Indonesian Journal of Prosthodontic","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116185574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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