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Elastomeric dental impression materials- polyether has best penetration ability and polyvinylsiloxane has highest tensile strength: study
Elastomeric dental impression materials- polyether has the best penetration ability and polyvinylsiloxane has the highest tensile strength according to a recent study published in the Thieme.
The aim of this study was to evaluate and compare penetration ability and tensile strength among vinylsiloxanether (VSE), polyether (PE), and polyvinylsiloxane (PVS) elastomeric dental impression materials.
The models were constructed for penetration ability tests by simulating gingival sulcus width and a moist environment. The 0.05, 0.1, and 0.2 mm of simulated gingival sulcus widths were used. Each simulated gingival sulcus width was impressed with 10 repeats per elastomeric impression material. All extension of elastomeric dental impression materials was scaled by Measuring Microscope (MM-11; Nikon, Tokyo, Japan). On the issue of the tensile strength study, the models were constructed following type 1 of the ISO 37:2017 specifications and/or type C of ASTM.D412 specifications. The two-way analysis of variance (ANOVA) and Tukey's honestly significant difference test was performed in the penetration ability test. The one-way ANOVA and Dunnett's T3 test were performed in the tensile strength test. The significance level was set at 0.05.
The Results of the study are:
- Polyether showed the best extension into all widths of simulated sulcus followed by vinylsiloxanether and polyvinylsiloxane, respectively.
- PVS was significantly higher in tensile strength than VSE and polyether, while vinylsiloxanether was significantly higher than polyether.
Thus, penetration ability of elastomeric dental impression materials was depended on gingival sulcus width. The wider the sulcular width, the better the penetration ability of elastomeric dental impression materials. Polyether presented the best penetration ability, while the novel polyvinylsiloxane showed highest tensile strength.
Reference:
Pongsakorn Apinsathanon , Bishwa Prakash Bhattarai, et al. Penetration and Tensile Strength of Various Impression Materials of Vinylsiloxanether, Polyether, and Polyvinylsiloxane Impression Materials. CC BY 4.0 · Eur J Dent 2022; 16(02): 339-345. DOI: 10.1055/s-0041-1735793
Keywords:
Elastomeric, dental, impression, materials, polyether, penetration, ability, polyvinylsiloxane, highest, tensile strength, Pongsakorn Apinsathanon , Bishwa Prakash Bhattarai , Suphachai Suphangul , Natthamet Wongsirichat , Napapa Aimjirakul, penetration ability, tensile strength, elastomeric impression materials, gingival sulcus width, moist environment, various, impression materials, thieme
Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751