Reibungsmechanik
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Reibungsmechanik

Reibungsmechanik


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About the Book

Reibung, eine klinische Herausforderung, insbesondere bei der Gleitmechanik, muss effizient gehandhabt werden, um optimale kieferorthopädische Ergebnisse zu erzielen. Reibung ist eine Kraft, die die Relativbewegung zweier in Kontakt stehender Objekte verzögert oder ihnen Widerstand entgegensetzt. Die Richtung der Reibung verläuft tangential zur gemeinsamen Grenze der beiden sich berührenden Oberflächen (Drescher et al, 1989)1. Wenn zwei sich berührende Flächen gegeneinander gleiten, entstehen zwei Komponenten der Gesamtkraft: die fiktive Komponente (F), die parallel, aber entgegengesetzt zur Gleitbewegung verläuft, und die Normalkraft (N), die senkrecht zu den sich berührenden Flächen und zur fiktiven Kraftkomponente steht.Während der Mechanotherapie, bei der das Bracket relativ zum Draht bewegt wird, kann die Reibung an der Schnittstelle zwischen Bracket und Draht das Erreichen eines optimalen Kraftniveaus im Stützgewebe verhindern. Daher wirkt sich eine Verringerung des Reibungswiderstands tendenziell positiv auf die Reaktion des Hart- und Weichgewebes aus. Man geht davon aus, dass etwa 50 % der Kraft, die zum Verschieben eines Zahns aufgebracht wird, zur Überwindung der Reibung verwendet wird. Weitere Faktoren, die sich auf den Reibungswiderstand auswirken, sind Speichel, Dimension und Material des Bogendrahts, die Winkelung des Drahts zum Bracket und die Art der Ligatur.


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Product Details
  • ISBN-13: 9786202452229
  • Publisher: Verlag Unser Wissen
  • Publisher Imprint: Verlag Unser Wissen
  • Height: 229 mm
  • No of Pages: 160
  • Returnable: N
  • Weight: 277 gr
  • ISBN-10: 6202452226
  • Publisher Date: 12 Sep 2025
  • Binding: Paperback
  • Language: German
  • Returnable: N
  • Spine Width: 9 mm
  • Width: 152 mm


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