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The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
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A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
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Deglutition01:25

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Swallowing, otherwise known as deglutition, facilitates the transport of food from the mouth to the stomach. It is a multifaceted process that involves both the tongue and the muscles of the throat and esophagus. Saliva and mucus aid in this process, which takes approximately 4 to 8 seconds for semi-solid or solid food and around 1 second for liquids or very soft food.
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[Focus on the occlusal failure].

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  • 1Unité d'Occlusodontologie, Faculté d'Odontologie de Marseille, Aix-Marseille Université, Pôle Odontologie, Jardin du Pharo, 58 boulevard Charles Livon, 13284 Marseille Cedex 07, France - Hopital de La Timone, AP-HM, 264 rue Saint-Pierre, 13385 Marseille Cedex 5, France.

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Summary

Post-orthodontic occlusal failure can cause dental instability and discomfort. This study defines key benchmarks for stabilizing, centering, and guiding occlusion to prevent pathological dysfunction and ensure long-term therapeutic success.

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Area of Science:

  • Dentistry
  • Orthodontics
  • Biomechanical Engineering

Context:

  • Post-orthodontic occlusal stability is crucial for long-term therapeutic success.
  • Occlusal failure can lead to dental instability, functional discomfort, and temporomandibular joint (TMJ) issues.
  • The masticatory system exhibits a high tolerance, complicating the distinction between physiological and pathological occlusal states.

Purpose:

  • To define clear benchmarks for assessing occlusal function post-orthodontic treatment.
  • To identify potential occlusal pathogenic dysfunctions including stabilizing (shimming), centering, and guiding anomalies.
  • To establish criteria for evaluating the longevity of aesthetic and functional therapeutic results.

Summary:

  • Key benchmarks for occlusal assessment include: shimming (specific molar and canine contacts), centering (no transverse deflection between maximal Intercuspation and Centric Relation), and guiding (absence of posterior and anterior interferences).
  • These criteria help differentiate between physiological occlusion and pathological dysfunction.
  • Adherence to these benchmarks supports stable, functional, and aesthetically pleasing long-term outcomes.

Impact:

  • Provides clinicians with objective criteria to diagnose and manage post-orthodontic occlusal issues.
  • Contributes to improved patient outcomes by preventing occlusal instability and associated complaints.
  • Enhances the understanding of occlusal physiology and pathology in the context of orthodontic therapy.