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Related Concept Videos

Assessment of the Mouth01:26

Assessment of the Mouth

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.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
Deglutition01:25

Deglutition

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.
Swallowing can be divided into three stages: the voluntary phase, the pharyngeal phase, and the esophageal phase. Although the...

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2-Methacryloyloxyethyl Phosphorylcholine Polymer Treatment of Complete Dentures to Inhibit Denture Plaque Deposition
06:02

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Published on: December 26, 2016

Chewing-related prefrontal cortex activation while wearing partial denture prosthesis: pilot study.

Noriyuki Narita1, Kazunobu Kamiya, Kensuke Yamamura

  • 1Department of Stomatognathic Science and Occlusion, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan. narita.noriyuki@nihon-u.ac.jp

Journal of Prosthodontic Research
|April 7, 2009
PubMed
Summary

Partial dental prostheses enhance chewing function and stimulate brain activity in older adults. This prosthodontic treatment may help prevent cognitive decline by activating the dorsal prefrontal cortex and masticatory muscles.

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Area of Science:

  • Dental Medicine
  • Neuroscience
  • Gerontology

Background:

  • Denture use is linked to improved chewing, comfort, and quality of life in the elderly.
  • Higher cognitive functions are associated with the dorsal prefrontal cortex.

Purpose of the Study:

  • To investigate the impact of prosthodontic treatment on dorsal prefrontal cortex activation.
  • To clarify the relationship between dental prostheses and cognitive function in older adults.

Main Methods:

  • Near-infrared spectroscopy (NIRS) measured cerebral blood flow.
  • Electromyography (EMG) recorded masseter muscle activity.
  • Three partially edentulous patients participated in the study.

Main Results:

  • Partial denture prosthesis use led to significant activation of the dorsal prefrontal cortex.
  • Masticatory muscle (Mm) EMG activity increased significantly with partial denture prosthesis use.

Conclusions:

  • Partial dental prostheses stimulate masticatory muscles and dorsal prefrontal cortex activity.
  • This stimulation may play a role in preventing cognitive impairment in aging individuals.