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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.
Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Preventive Healthcare Services01:30

Preventive Healthcare Services

Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
Cancer Vaccines01:30

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...

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Updated: Jun 5, 2026

Oral Health Assessment by Lay Personnel for Older Adults
08:47

Oral Health Assessment by Lay Personnel for Older Adults

Published on: February 2, 2020

Oral cancer screening programmes.

Derek Richards1

  • 1Centre for Evidence-based Dentistry, Oxford.

Evidence-Based Dentistry
|December 21, 2010
PubMed
Summary
This summary is machine-generated.

Visual examination screening for oral cancer may reduce mortality in high-risk individuals. However, evidence is limited and biased, necessitating further research into screening effectiveness.

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Last Updated: Jun 5, 2026

Oral Health Assessment by Lay Personnel for Older Adults
08:47

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Published on: February 2, 2020

In Vivo CRISPR/Cas9 Screening to Simultaneously Evaluate Gene Function in Mouse Skin and Oral Cavity
07:52

In Vivo CRISPR/Cas9 Screening to Simultaneously Evaluate Gene Function in Mouse Skin and Oral Cavity

Published on: November 2, 2020

Area of Science:

  • Oral oncology
  • Public health screening programs
  • Evidence-based dentistry

Background:

  • This review systematically evaluated randomized controlled trials (RCTs) for oral cancer screening methods, including visual examination and adjunctive technologies.
  • Searched multiple databases (Cochrane Oral Health Group Trials Register, CENTRAL, Medline, Embase, CANCERLIT) for relevant studies without language or publication date restrictions.

Discussion:

  • A single cluster RCT involving 191,873 participants found no significant difference in overall oral cancer mortality between screened and control groups.
  • A statistically significant 43% reduction in mortality was observed in high-risk individuals (tobacco/alcohol users) within the intervention cohort, but this finding was from a study with high risk of bias and methodological weaknesses.

Key Insights:

  • Visual examination as part of a population-based screening program shows potential for reducing oral cancer mortality in high-risk groups.
  • Limited evidence exists for the effectiveness of toluidine blue, brush biopsy, or fluorescence imaging in primary care settings.
  • The single included study had significant methodological limitations, including unaddressed cluster randomization effects, impacting the reliability of its findings.

Outlook:

  • Further high-quality RCTs are recommended to rigorously assess the efficacy, effectiveness, and cost-effectiveness of visual examination for oral cancer screening.
  • Future research should focus on robust methodologies to overcome limitations of previous studies and provide reliable evidence for clinical practice and public health policy.