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Summary of Evidence
Note: Separate PDQ summaries on Oral Cancer Prevention and Lip and Oral
Cavity Cancer Treatment are also available.
There is inadequate evidence to establish that screening would result in a
decrease in mortality from oral cancer.
Description of the Evidence
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Study Design: Evidence obtained from one randomized controlled trial.
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Internal Validity: Poor.
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Consistency: Not applicable.
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Magnitude of Effects on Health Outcomes: No evidence of benefit or harm.
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External Validity: Poor.
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