Changes in retention of various telescope crown assemblies over long-term use

Ohkawa, Shuji; Okane, Hideaki; Nagasawa, Tooru; Tsuru, Hiromichi

doi:10.1016/0022-3913(90)90170-h

Cited by 63 publications

(75 citation statements)

References 2 publications

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“…The preload of 50 N is recommended because there is no change on the retention force after raising the preload more than 50 N [23]. The retention force values of electroplated double crowns showed no dependence on the preload in range of 5 N to 400 N [28].…”

Section: Discussionmentioning

confidence: 98%

“…The influence of the taper angle of double crowns has already been examined [6,13,[19][20][21][22][23]. Ohkawa et al, mentioned a 2° taper angle to be used as a maximum angle for double crown systems in the long-term clinical use [23].…”

Section: Introductionmentioning

confidence: 99%

“…Ohkawa et al, mentioned a 2° taper angle to be used as a maximum angle for double crown systems in the long-term clinical use [23].…”

Section: Introductionmentioning

confidence: 99%

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Comparison of Retention Forces of Different Fabrication Methods of Co-Cr Crowns: Pre-sintered and Milled, Cast and Electroforming Secondary Crowns with Different Taper Angles

Stawarczyk¹,

Wagner²,

Merk³

et al. 2015

IJDOS

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To investigate the retention forces of differently fabricated secondary crowns made of Co-Cr alloy and electroforming secondary crowns considering different taper angles. Cobalt-chromium primary crowns with 0°, 1°and 2°taper angles were fabricated. Secondary crowns were made either by i) amilling and sintering, ii) castingor iii) electro-forming process. Pull-off tests were performed and data were analyzed by parametric statistics (p<0.05). With regard to the different taper angles, Co-Cr milled and cast groups, no impact on retention force was observed. Within the electroforming group, primary crowns with a taper angle of 1°showed a higher retention force than crowns with angles of 0°or 2°. With respect to the secondary crowns, primary crowns with a taper angle of 1°showed no impact on the results. Within the taper angles of 0°and 2°, the electroforming group exhibited lower retention forces than cast or milled ones. In the 0°taper angle group, milled secondary crowns displayed higher values than cast ones.

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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Comparison of Retention Forces of Different Fabrication Methods of Co-Cr Crowns: Pre-sintered and Milled, Cast and Electroforming Secondary Crowns with Different Taper Angles

Stawarczyk¹,

Wagner²,

Merk³

et al. 2015

IJDOS

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“…Retention telescopic crowns are associated with the contact surface of the crown in the system and it depends on many factors, mainly the geometry of the crown and the type of material used to make the crowns [28][29][30][31][32][33][34][35][36][37][38]. The developments of materials and new technologies that can be used in dental prosthetics create the prospects of the appearance of new design concepts and materials in the near future.…”

Section: Open Access Http://scidocorg/ijdosphpmentioning

confidence: 99%

The Evaluation of Changes in Retention Force Values in Three-Element Telescopic Crown Systems using Simulated Load Cycles

Kochanek-Leśniewska¹,

Majcher²

2017

IJDOS

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“…Predloženi stupanj za parodontno ugroženi zub jest 6, a primarna teleskopska kapica u strukturi mora sadržavati cervikalni žlijeb. Izmjenama visine i nagiba kapice kontrolira se retencija suprastrukture na kapicama (14,15).…”

Section: Zoidis I Surunclassified

A Fixed Telescopic Prosthesis Designed to Retrieve and Convert to Fixed-Removable Combination Case: A Clinical Report

Zoidis

Panagiota

Polyzois

2015

Acta Stomatol Croat

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Sažetak U ovom kliničkom prikazu opisan je, kod parodontno ugroženog pacijenta s nekontroliranim dijabetesom, fiksni maksilarni most od estetskoga kompozitnog materijala s metalnom bazom učvr-šćen na frezanim metalnim kapicama. Uključena su i mjesta za okluzalne upirače na ključnim mjestima ako se izgube lateralni zubi kako bi se most mogao prenamijeniti u kombinirani rad s mobilnom protezom. Nedostatak zuba u mandibuli nadomješten je klasičnim fiksnim metalkeramičkim mostom.Ključne riječi zubne proteze, djelomične,

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Changes in retention of various telescope crown assemblies over long-term use

Cited by 63 publications

References 2 publications

Comparison of Retention Forces of Different Fabrication Methods of Co-Cr Crowns: Pre-sintered and Milled, Cast and Electroforming Secondary Crowns with Different Taper Angles

Comparison of Retention Forces of Different Fabrication Methods of Co-Cr Crowns: Pre-sintered and Milled, Cast and Electroforming Secondary Crowns with Different Taper Angles

The Evaluation of Changes in Retention Force Values in Three-Element Telescopic Crown Systems using Simulated Load Cycles

A Fixed Telescopic Prosthesis Designed to Retrieve and Convert to Fixed-Removable Combination Case: A Clinical Report

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