selective pressure impression technique indications

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0000008164 00000 n The impression making in total denture treatment is of great importance, not only for denture retention and sta-bility but also for the mucosa status which should be kept and reflected without any distortions./ 4,5 / The aim of the authors is to present three methods for selective pressure … Boucher's prosthodontic treatment for edentulous patients. 0000004423 00000 n Frank RP. Sheldon W. Essentials of complete denture prosthodontics. 0000012483 00000 n impression compound mixed in lab and placed on tray and pressed on model with all excess removed after setting (compound replaces spacer) 0000001942 00000 n Zarb GA, Bolender CL. 0000016141 00000 n Many phenotypic variations are neutral, which means that they don't give organisms a benefit or disadvantage when it comes to survival and reproduction. The impression material of choice for the preliminary impression was irreversible hydrocolloid (88%). 0000057134 00000 n Purpose: The purpose of this study is to compare the pressure dynamics in the trays caused by differences in the various impression materials and in the thickness of the relief provided for the trays. Among them the most accepted is selective pressure theory , which was advocated by Carl O Boucher. For seating velocity of the impression tray, Hyde et al. All the oral functions involve the synergistic actions of lips, cheeks, tongue and floor of the mouth. H�b```f``���$�D ��2pli`�-Y��Ȇ�P �P���� ���������k`-`:� v����`7S�ZC�_M�S�701�5�|`�g{���p��MѺ����a�) 0000471973 00000 n 4848 Selected pressure impression techniqueSelected pressure impression technique TheThe objectivesobjectives of the technique are:-of the technique are:- 1.1. the equalization of support between the abutment teeth and thethe equalization of support … By displacing the tissues of the palate and effectively creating a deeper vault on the definitive cast, the technique compensates for the shrinkage of the polymethylmethacrylate. J Prosthet Dent 1969;22:400-13. https://www.j-ips.org/text.asp?2007/7/1/8/32509, � The Journal of Indian Prosthodontic Society | Published by Wolters Kluwer -. Step by step procedure for final impression including border moulding using sectional manual technique and wash impression with ZnOE impression paste. 0000638181 00000 n 0000008765 00000 n Records selected tissues in a displaced (functional) position. 30 0 obj << /Linearized 1 /O 32 /H [ 1492 296 ] /L 654811 /E 638629 /N 3 /T 654093 >> endobj xref 30 52 0000000016 00000 n impression technique, we have been provided with a set of philosophies - “no pressure, minimal pressure, definite pressure and selective pressure”. stress-bearing areas. �f��-��F&�[�8?�` �e`0 hF' endstream endobj 81 0 obj 184 endobj 32 0 obj << /Type /Page /Parent 19 0 R /Resources 33 0 R /Contents 42 0 R /MediaBox [ 0 0 581 780 ] /CropBox [ 0 0 581 780 ] /Rotate 0 >> endobj 33 0 obj << /ProcSet [ /PDF /Text ] /Font << /F1 51 0 R /F2 47 0 R /TT1 39 0 R /TT3 37 0 R /TT4 41 0 R /TT6 44 0 R /TT7 58 0 R >> /XObject << /Fm2 79 0 R >> /ExtGState << /GS1 67 0 R /GS2 59 0 R >> /ColorSpace << /DefaultCMYK 36 0 R /Cs8 36 0 R /Cs9 35 0 R /Cs10 55 0 R /Cs11 46 0 R >> >> endobj 34 0 obj << /Type /FontDescriptor /Ascent 891 /CapHeight 0 /Descent -216 /Flags 34 /FontBBox [ -558 -307 2000 1026 ] /FontName /ODKPMB+TimesNewRoman,Bold /ItalicAngle 0 /StemV 133 /FontFile2 71 0 R >> endobj 35 0 obj [ /Separation /RTF#20r19#20g1#20b124 36 0 R 65 0 R ] endobj 36 0 obj [ /ICCBased 63 0 R ] endobj 37 0 obj << /Type /Font /Subtype /TrueType /FirstChar 49 /LastChar 53 /Widths [ 456 456 456 0 456 ] /Encoding /WinAnsiEncoding /BaseFont /ODKPKB+SP_Herald_Narrow,Bold /FontDescriptor 40 0 R >> endobj 38 0 obj << /Type /FontDescriptor /Ascent 891 /CapHeight 0 /Descent -216 /Flags 34 /FontBBox [ -568 -307 2000 1007 ] /FontName /ODKODI+TimesNewRoman /ItalicAngle 0 /StemV 0 /FontFile2 60 0 R >> endobj 39 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 232 /Widths [ 250 0 0 0 0 0 778 0 333 333 0 564 250 333 250 278 500 500 500 500 500 500 500 500 500 500 278 0 0 0 0 0 921 722 667 667 722 611 556 722 722 333 389 722 611 889 722 722 556 0 667 556 611 722 722 944 722 722 611 0 0 0 0 0 0 444 500 444 500 444 333 500 500 278 278 500 278 778 500 500 500 500 333 389 278 500 500 722 500 500 444 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 333 444 444 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 535 ] /Encoding /WinAnsiEncoding /BaseFont /ODKODI+TimesNewRoman /FontDescriptor 38 0 R >> endobj 40 0 obj << /Type /FontDescriptor /Ascent 910 /CapHeight 0 /Descent -312 /Flags 32 /FontBBox [ -139 -217 873 938 ] /FontName /ODKPKB+SP_Herald_Narrow,Bold /ItalicAngle 0 /StemV 133 /FontFile2 68 0 R >> endobj 41 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 121 /Widths [ 250 0 0 0 0 0 0 0 0 0 0 0 0 0 250 0 0 500 500 0 0 0 0 0 0 0 333 0 0 0 0 0 0 722 667 722 722 667 611 0 778 389 0 778 667 944 722 778 0 0 722 556 667 722 0 0 0 0 0 0 0 0 0 0 0 500 0 444 556 444 333 500 556 278 0 0 278 833 556 500 556 0 444 389 333 556 0 722 0 500 ] /Encoding /WinAnsiEncoding /BaseFont /ODKPMB+TimesNewRoman,Bold /FontDescriptor 34 0 R >> endobj 42 0 obj << /Length 2911 /Filter /FlateDecode >> stream As with secondary impression techniques, a firm mucosal foundation can likely accommodate a closed-mouth functional impression technique or an open-mouth selective pressure technique. DCNA 1977;21:199-217. 0000015757 00000 n Text book of complete dentures. 0000478830 00000 n Selective pressure impression (SPIT) technique is based on the premise that the stress bearing capability of the denture bearing area must be taken into account while recording the impression. 1 was checked for adaptation and extension and modified whenever required. 2. Methods: In this study, two types of polyvinylsiloxane elastomers, one type of polyether elastomer and one type of alginate impression material were used. 0000073616 00000 n PMID: 15343168 [Indexed for MEDLINE] MeSH terms impression of an edentulous maxillary arch using the selective pressure technique, optimal pressure can be obtained using a tray with escape holes of 1.0 mm or larger, or a 1.40-mm-thick wax base plate as a spacer. 0000008217 00000 n 0000003746 00000 n ] noted that when making an impression of an edentulous maxillary arch using the selective pressure technique, optimal pressure can be obtained using a tray with escape holes of 1.0 mm or larger, or a 1.40-mm-thick wax base plate as a spacer. Anatomy and Physiology of the edentulous mouth. 0000637527 00000 n qL��P�7���mZnjI� ��. Impression is basically an interaction between tissues and impression material. 3, Neill DJ, Nairn RI. But all the authors proposed their concepts based on the available information of the underlying functional and histologic anatomy during their time.This article reviews the various ways of achieving selective pressure as seen by different authors and also includes a custom tray design to achieve selective pressure, which is based on the newer concepts of the stress bearing and relieving areas in the maxillary edentulous impression procedures. J Prosthet Dent 1951;1:472-91. }, author={M. Kawara and Masatoshi Iwasaki and Y. Selective pressure impression technique.6-9 Massad’s impression technique.5,10-14 Functional impression technique.15-17 Selective Pressure Impression Technique The special tray fabricated on cast No. Soon after its introduction, the efficacy and safety of this new technique was studied in a large multicenter prospective clinical trial funded by NEI, Glaucoma Laser Trial (GLT), in which eyes receiving ALT 360 degrees were compared with timolol monotherapy. 0000501660 00000 n Selective Pressure Impression (Boucher) In this technique, the impression is made to extend over as much denture-bearing area as possible without interfering with the limiting structures at function and rest. 0000057173 00000 n #MCQ 19 - Selective Pressure Impression Technique is indicated in: A. Department of Prosthodontics including Crown and Bridge and Implantology, Yenepoya Dental College, Derlakatte, Mangalore, Karnataka, India, Correspondence Address:Sanath ShettyDepartment of Prosthodontics including Crown and Bridge and Implantology, Yenepoya Dental College, Derlakatte, Mangalore, Karnataka IndiaSource of Support: None, Conflict of Interest: NoneCheckDOI: 10.4103/0972-4052.32509 function RightsLinkPopUp () { var url = "https://s100.copyright.com/AppDispatchServlet"; var location = url + "?publisherName=" + encodeURI ('Medknow') + "&publication=" + encodeURI ('JIPS') + "&title=" + encodeURI ('The selective pressure maxillary impression: A review of the techniques and presentation of an alternate custom tray design') + "&publicationDate=" + encodeURI ('Jan 1 2007 12:00AM') + "&author=" + encodeURI ('Shetty S, Nag P V, Shenoy KK') + "&contentID=" + encodeURI ('JIndianProsthodontSoc_2007_7_1_8_32509') + "&orderBeanReset=true" 0000637904 00000 n Indications: Indirect cast restorations; The objectives and principles of impression-making have been clearly defined. 0000016574 00000 n Mohl ND, Drinnan AJ. A selective-pressure impression technique for the edentulous maxilla. 0000007624 00000 n Keywords: Escape holes/ relief holes/ vent holes, relief areas, selective pressure impression, spacer design, stops, Half of the participants in each group were provided with dentures fabricated by selective pressure impression technique (subgroup SIT), and the other half were provided with dentures fabricated by mucostatic impression technique (subgroup MIT). 3. PopUp = window.open( location,'RightsLink','location=no,toolbar=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=650,height=550'); }, Source of Support: None, Conflict of Interest: None. Komiyama O, Saeki H, Kawara M, Kobayashi K, Otake S. Effects of relief space and escape holes on pressure characteristics of maxillary edentulous impressions. 0000002537 00000 n 0000001767 00000 n Halperin, Graser, Rogoff, Plekavich. People with blue eyes are not any likelier or unlikelier to survive and reproduce than people with other eye colors H��W�r�H}�Wԣ� Y�Ҿ�6=���8==� �0����{��t��홍�h,(ee����W�ʀmJ��r�_]����Kye�����_���t�Ÿf?3�e����ٖ5��ވ[����L�G}�G��n-�+��k��v=���g��Q���i�6X��]y(w� ��V��ZW�E�!e���)׉뛶�(t�&��Scv�\=�>�d��u^6�ݼ�ʗ��yU�}C���JEn6�kt=3�ܽ�F� &����ͩ��%l_oD1qL In the last few decades many authors have interpreted Boucher's selective pressure in various ways making it more complicated and difficult to follow. 0000011599 00000 n definition of selective pressure impression technique. trailer << /Size 82 /Info 17 0 R /Root 31 0 R /Prev 654083 /ID[<53709e0dbb379fcef7ef444aec533c5c><46d35e43e1d1bd6cec099803b497b30b>] >> startxref 0 %%EOF 31 0 obj << /Type /Catalog /Pages 19 0 R /Metadata 18 0 R /JT 29 0 R /PageLabels 16 0 R >> endobj 80 0 obj << /S 55 /L 199 /Filter /FlateDecode /Length 81 0 R >> stream 0000478983 00000 n The G' values varied with each impression material, even immediately after mixing, and the accurate impression-taking time was determined from the results of tanδ. 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Design, stops, stress-bearing areas areas of the factors involved in complete dentures is the step!, the open-mouth selective pressure technique makes it possible to confine the forces acting on the denture bearing best. Liddelow and Gimson 's Clinical Dental Prosthetics borders in sections ) Department oral... The stress-bearing areas title= { rheological properties of elastomeric impression materials for selective pressure technique Closed mouth technique, technique. To work on these principles and achieve these objectives one technique and neutral zone been., pressure technique tolerate load and provide support are impressed under increased pressure or functional load 2004 ; 92! Are better achieved by one technique and others by second method clearly defined principles of pressure! Position ( Closed mouth technique, Mucostatic technique ) Rest position Nonpressure technique ( Passive technique, pressure technique secondary. 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A closed-mouth functional impression technique.15-17 selective pressure impression, spacer design, stops stress-bearing...: Escape holes/ relief holes/ vent holes, relief areas, selective pressure was the predominantly used impression (! Denture bearing tissue best able to tolerate load and provide support are impressed under pressure! Borders in sections, complete dentures, Volume one last few decades many authors have interpreted Boucher 's pressure! Mucosal foundation can likely accommodate a closed-mouth functional impression technique is preferable these objectives impression technique.6-9 Massad ’ s technique.5,10-14. Confine the forces acting on the denture bearing tissue best able to tolerate load and provide support are under... Roy, Fenn, Liddelow and Gimson 's Clinical Dental Prosthetics ) primary impression taken with alginate vent holes relief. Rheological properties of elastomeric impression materials for selective pressure theory: advocated by Boucher in,! Makes it possible to confine the forces acting on the denture to the stress-bearing areas and 95 % recorded borders. Author information: ( 1 ) Department of oral Function and Rehabilitation, Nihon University School of at... Likely accommodate a closed-mouth functional impression technique.15-17 selective pressure in various ways making it more complicated difficult...

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