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All Journal Interdental Jurnal Kedokteran Gigi (IJKG) MDJ (Makassar Dental Journal)
Suhendra
Departement Of Prosthodontics, Faculty Of Dentistry, Mahasaraswati University Denpasar, Denpasar, Indonesia
Biochemistry, Genetics & Molecular Biology Dentistry Medicine & Pharmacology Public Health

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IMPACT STRENGTH TEST ON ADDITION OF AGAVE SISALANA FIBER AND E-GLASS FIBER IN ACRYLIC RESIN DENTAL PLATE REPAIR : UJI KEKUATAN IMPAK TERHADAP PENAMBAHAN AGAVE SISALANA FIBER DAN E-GLASS FIBER PADA REPARASI PLAT GIGI TIRUAN RESIN AKRILIK Ni Kadek Sugianitri; Suhendra
Interdental Jurnal Kedokteran Gigi (IJKG) Vol. 17 No. 1 (2021): Interdental Jurnal Kedokteran Gigi (IJKG)
Publisher : Fakultas Kedokteran Gigi, Universitas Mahasaraswati Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46862/interdental.v17i1.2427

Abstract

Introduction: Acrylic resin is the most common material for the denture base because acrylic resin has good esthetics, ease of processing, reparability and inexpensive. A disadvantage of acrylic resin is that it is easily to be cracked. One of the ways to resolve this problem is by adding the agave sisalana fiber and E-glass fiber. The purpose of this study was to find out the effect after addition agave sisalana fiber and E-glass fiber on impact strength of an acrylic resin denture plate reparation. Material and Method: The experiment involved twenty seven plates of heat-cured acrylic with the dimensions of 55x 10 x 10 mm with the 26 x 5 x 4 mm for the cavity to measure, each measurement divided into three groups, with nine samples for each groups. The first group as a control group (without fiber), the second group as a group with agave sisalana fiber addition, the third group as a group with e-glass fiber addition. All plates were soaked in distillation water for one day at 37oC. Plates were tested for impact strength using the charpy method. All data obtained was analyzed with one-way ANOVA followed by LSD (Least Significant Difference) with p<0,05. Result and Discussion: The result showed that the influences of impact strength between without fiber with agave sisalana fiber and E-glass fiber addition on acrylic denture reparation. Acrylic denture reparation in both fibers with concentration 3,3%, agave sisalana fiber has the highest impact strength rather than e-glass fiber. Conclusion: The conclusion of this study is that there is an increase in impact strength with agave sisalana fiber and E-glass fiber addition on acrylic denture reparation and agave sisalana fiber has the highest impact strength.
DIMENSIONAL ACCURACY OF DIGITAL IMPRESSION AND DOUBLE IMPRESSION MOLDING MODELS IN THE MANUFACTURING OF BRIDGE DENTAL : AKURASI DIMENSI MODEL HASIL CETAKAN DIGITAL IMPRESSION DAN DOUBLE IMPRESSION DALAM PEMBUATAN GIGI TIRUAN JEMBATAN Suhendra; Dewi Farida Nurlitasari; Dsk Pt Bunga Raditya Pradnyadena
Interdental Jurnal Kedokteran Gigi (IJKG) Vol. 18 No. 1 (2022): Interdental Jurnal Kedokteran Gigi (IJKG)
Publisher : Fakultas Kedokteran Gigi, Universitas Mahasaraswati Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46862/interdental.v18i1.4315

Abstract

Dimensional accuracy of the impression model is very important in determining the success of denture treatment. The choice of printing technique is a factor that has a big influence on the printout. Digital impression and double impression techniques have good dimensional stability and provide accurate print details on the working model. The purpose of this study was to determine the level of dimensional accuracy of the digital impression and double impression models in the manufacture of bridge dentures. The research materials used were polyvinyl siloxanes elastomeric impression materials, stone gypsum type IV and aquades. The tools used are the master model, physiological printing spoon, glass stirrer, lekron, bowl spatula, calipers and 3D laser scanner. This research method used a laboratory experimental study design, and the master model was imprinted on the simulation of two abutments using digital impression and double impression techniques. The results showed that the digital impression technique showed a significant difference measured from the mesiodistal distance with the smallest value -0.004, the largest 0.011, the average difference 0.0369, at the occlusogingival distance the smallest value -0.003, the largest 0.009, the average difference 0.0375 , and the smallest value of interbutment distance is -0.001 and the largest is 0.000, and the average difference is -0.00031. The double impression technique showed a significant difference measured from the mesiodistal distance, the smallest value was -0.004, the largest was 0.011, the average difference was 0.00663, at the occlusogingival distance the smallest value was -0.014, the largest was 0.003, the average difference was 0.00300, and the interabutment distance was the smallest -0.001, the largest 0.003, and the average difference 0.00044. The conclusion of this study is that the digital impression technique is more accurate than the double impression technique in making denture bridges.
Addition of the leaf fiber of pineapple (Ananas comosus (L) Merr) to the impact strength test of heat cured acrylic resin: Penambahan serat daun nanas (Ananas comosus (L) Merr) pada uji kekuatan impak basis resin akrilik polimerisasi panas Ni Kadek Sugianitri; Suhendra
Makassar Dental Journal Vol. 10 No. 3 (2021): Volume 10 Issue 3 Desember 2021
Publisher : Makassar Dental Journal PDGI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35856/mdj.v10i3.449

Abstract

Heat cured acrylic resin is a dental material that widely used as removable denture base due to its biocompatible, easy to obtain, inexpensive and ease of processing but has a disadvantage of being fracture. The purpose of this study was to determine the diffe-ference in the impact strength test of the HCAR after adding pineapple leaf fibre. Post-test only control groups design was used as laboratory experimental. This research divided into 4 groups, those are without addition pineapple leaf fibres, addition of 5%, 10%, 15% pineapple leaf fibres. Impact strength was performed by charphy impact test. After getting the mean results of the im-pact test, the Kruskal Wallis test was then performed that showed that there is a significant difference between the group without addition pineapple leaf fibre and the group with the addition of pineapple leaf fibre a significance of p-value 0.001 (p<0.05). The plate without addition of pineapple leaf fibre, has a higher impact strength than the concentration of 5%, 10% and 15%. So it can be concluded that the addition of too high concentration pineapple leaf fibre causes the impact strength of the acrylic resin decreased.
Co-Authors Dewi Farida Nurlitasari Dsk Pt Bunga Raditya Pradnyadena Sugianitri, Kadek