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Showing 25 to 36 of 44 entries
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Distinguishing deformation mechanisms in elastocapillary experiments.

Soft matter

Chen SY, Bardall A, Shearer M, Daniels KE.
PMID: 31737889
Soft Matter. 2019 Dec 14;15(46):9426-9436. doi: 10.1039/c9sm01756a. Epub 2019 Nov 18.

Soft materials are known to deform due to a variety of mechanisms, including capillarity, buoyancy, and swelling. In this paper, we present experiments on polyvinylsiloxane gel threads partially-immersed in three liquids with different solubility, wettability, and swellability. Our results...

Retentive Characteristics of a Polyetheretherketone Post-Core Restoration with Polyvinylsiloxane Attachments.

Polymers

Li P, Hasselbeck D, Unkovskiy A, Sharghi F, Spintzyk S.
PMID: 32899168
Polymers (Basel). 2020 Sep 03;12(9). doi: 10.3390/polym12092005.

A new application of a polyetheretherketone (PEEK) post-core restoration combined with polyvinylsiloxane (PVS) attachments was proposed and substantiated. This study aimed to evaluate retentive characteristics of the PEEK post-core restoration with PVS attachment systems. Specimens with PVS attachments were...

Comparative Evaluation of Dimensional Accuracy of Elastomeric Impression Materials when Treated with Autoclave, Microwave, and Chemical Disinfection.

Journal of international oral health : JIOH

Kamble SS, Khandeparker RV, Somasundaram P, Raghav S, Babaji RP, Varghese TJ.
PMID: 26435611
J Int Oral Health. 2015 Sep;7(9):22-4.

BACKGROUND: Impression materials during impression procedure often get infected with various infectious diseases. Hence, disinfection of impression materials with various disinfectants is advised to protect the dental team. Disinfection can alter the dimensional accuracy of impression materials. The present...

Management of the flabby ridge using a modified window technique and polyvinylsiloxane impression material.

The Saudi dental journal

Labban N.
PMID: 30166877
Saudi Dent J. 2018 Jan;30(1):89-93. doi: 10.1016/j.sdentj.2017.10.004. Epub 2017 Oct 27.

Flabby ridge is a common clinical finding affecting the alveolar ridges of the mandibular or maxillary arches. The anterior region of maxilla is the most affected area in edentulous patients. Dentures on flabby ridges have compromised stability, support, and...

Need for a reliable alternative to custom-made Implant Impression trays: An .

Journal of Indian Prosthodontic Society

Goel M, Dhawan P, Tandan P, Madhukar P.
PMID: 30111917
J Indian Prosthodont Soc. 2018 Jul-Sep;18(3):271-276. doi: 10.4103/jips.jips_232_17.

PURPOSE: The aim of the present study was to evaluate and to compare the accuracy of implant casts obtained by open tray pick-up impression technique using 2 types of custom-made trays and a specialized aluminum stock impression tray.MATERIALS AND...

A single step impression technique of flabby ridges using monophase polyvinylsiloxane material: a case report.

Case reports in dentistry

Pai UY, Reddy VS, Hosi RN.
PMID: 24872897
Case Rep Dent. 2014;2014:104541. doi: 10.1155/2014/104541. Epub 2014 Apr 27.

Complete denture fabrication in clinically compromised situations such as flabby ridges is a challenging task for the clinician. Accurate impressioning of these tissues plays a major role in ensuring a well-fitting prosthesis. In this paper, the authors have proposed...

A Comparative Evaluation of Temperature Changes in the Pulpal Chamber during Direct Fabrication of Provisional Restorations: An In Vitro Study.

Journal of Indian Prosthodontic Society

Manak E, Arora A.
PMID: 22942574
J Indian Prosthodont Soc. 2011 Sep;11(3):149-55. doi: 10.1007/s13191-011-0073-x. Epub 2011 Jun 14.

To compare the temperature changes in the pulpal chamber during fabrication of provisional restorations by direct method. A total of 108 three-unit FPD provisional restorations were fabricated on a study model and divided into three main groups according to...

Drying time of tray adhesive for adequate tensile bond strength between polyvinylsiloxane impression and tray resin material.

The journal of advanced prosthodontics

Yi MH, Shim JS, Lee KW, Chung MK.
PMID: 21165257
J Adv Prosthodont. 2009 Jul;1(2):63-7. doi: 10.4047/jap.2009.1.2.63. Epub 2009 Jul 31.

STATEMENT OF PROBLEM: Use of custom tray and tray adhesive is clinically recommended for elastomeric impression material. However there is not clear mention of drying time of tray adhesive in achieving appropriate bonding strength of tray material and impression...

Effect of Different Disinfectants on Staphylococcus aureus and Candida albicans Transferred to Alginate and Polyvinylsiloxane Impression Materials.

Journal of dental research, dental clinics, dental prospects

Parnia F, Hafezeqoran A, Moslehifard E, Mahboub F, Nahaei M, Akbari Dibavar M.
PMID: 23230499
J Dent Res Dent Clin Dent Prospects. 2009;3(4):122-5. doi: 10.5681/joddd.2009.030. Epub 2009 Dec 15.

BACKGROUND AND AIMS: Several products have been marketed for disinfecting impression materials. The present study evaluated the effect of Deconex, Micro 10, Alprocid and Unisepta Plus sprays on Staphylococcus aureus and Candida albicans transferred to alginate and polyvinylsiloxane impression...

Fluoride rearrangement reactions of polyphenyl- and polyvinylsilsesquioxanes as a facile route to mixed functional phenyl, vinyl T10 and T12 silsesquioxanes.

Journal of the American Chemical Society

Asuncion MZ, Laine RM.
PMID: 20187634
J Am Chem Soc. 2010 Mar 24;132(11):3723-36. doi: 10.1021/ja9087743.

Polyphenylsilsesquioxane [PhSiO(1.5)](n) (PPS) and polyvinylsilsesquioxane [vinylSiO(1.5)](n) (PVS) are polymeric byproducts of the syntheses of the related T(8) octamers [PhSiO(1.5)](8) and [vinylSiO(1.5)](8). Here we demonstrate that random-structured PPS and PVS rearrange in the presence of catalytic amounts of Bu(4)N(+)F(-) in...

Modified Tray with Mesh Design for the Management of Flabby Ridge: A Case Report.

Frontiers in dentistry

Srivastava S, Mishra S, Chopra D.
PMID: 31777857
Front Dent. 2019 Mar-Apr;16(2):149-152. doi: 10.18502/fid.v16i2.1367. Epub 2019 Apr 30.

Flabby ridge is an excessive movable fibrous tissue, usually affecting the maxillary and mandibular edentulous ridges. It is a typical finding frequently observed in the maxillary anterior region. It usually occurs when natural teeth oppose an edentulous ridge or...

Penetration and Tensile Strength of Various Impression Materials of Vinylsiloxanether, Polyether, and Polyvinylsiloxane Impression Materials.

European journal of dentistry

Apinsathanon P, Bhattarai BP, Suphangul S, Wongsirichat N, Aimjirakul N.
PMID: 34852393
Eur J Dent. 2021 Dec 01; doi: 10.1055/s-0041-1735793. Epub 2021 Dec 01.

OBJECTIVES:  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.MATERIALS AND METHODS:  The models were constructed for penetration ability test by...

Showing 25 to 36 of 44 entries