Attention To Changes That Matter

Oral Cancer Screenings

Mouth Sores, Patches And Lumps That Need Assessment

Oral cancer screening checks the tissues of your mouth for unusual changes, including sores, patches, and lumps. Some changes may develop without pain, making regular examinations an opportunity to identify areas that need further attention.


At World Smiles Dental, we assess your oral tissues and discuss any symptoms you have noticed. Many mouth changes have noncancerous causes, but persistent symptoms should be examined, especially those lasting longer than two weeks.

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Mouth Sores That Have Not Healed Within Two Weeks

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Red Or White Patches Anywhere Inside Your Mouth

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Unexplained Lumps Or Thickened Areas In Oral Tissues

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Persistent Numbness Or Difficulty With Chewing And Swallowing

What Happens During An Oral Cancer Screening?

Your dentist examines your lips, cheeks, tongue, gums, and other areas inside your mouth. They may also feel around your jaw and neck for unusual lumps or swelling. Tell us about persistent soreness, swallowing difficulties, or changes you have noticed since your last visit.


Screening can take place during a routine examination alongside dental cleanings. If an area needs further assessment, your dentist will explain whether follow-up, a biopsy, or referral is appropriate. A screening alone cannot confirm or rule out cancer, but it helps guide the next steps in your care.

Frequently Asked Questions

  • What happens during an oral cancer screening?

    The dentist visually examines oral tissues and may feel areas of the mouth, jaw, and neck for unusual changes. The goal is to identify abnormalities that may require monitoring or further evaluation. A screening examination does not confirm cancer; suspicious findings may need referral and biopsy for diagnosis.

  • What symptoms of oral cancer should I watch for?

    Persistent sores, red or white patches, lumps, thickened areas, unexplained bleeding or numbness, ongoing hoarseness, and difficulty chewing or swallowing should be evaluated, especially when they do not resolve. Many of these symptoms have non-cancerous causes, so professional assessment is needed rather than self-diagnosis.

  • Who has a higher risk of oral or throat cancer?

    Risk increases with tobacco use and heavy alcohol consumption, and combined use increases risk further. HPV infection is an important risk factor for cancers of the oropharynx. Age, sun exposure for lip cancer, and other individual factors can also influence risk. Discuss personal risk factors with your healthcare providers.

  • Does an oral cancer screening diagnose cancer?

    No. Screening is intended to identify suspicious or unusual areas that may need further investigation. A definitive diagnosis cannot be made by visual examination alone. If a concerning lesion is found, the dentist may monitor it, refer the patient, or recommend biopsy by an appropriate healthcare professional.

  • How often should I have an oral cancer screening?

    The frequency depends on age, risk factors, medical history, and clinical findings. Oral soft-tissue examination is often incorporated into routine dental visits, but patients with higher risk or a previous abnormal finding may require more frequent assessment. Your dentist can recommend an appropriate schedule.

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Make Time For Your Oral Health

Have you noticed a change in your mouth, or are you due for a dental examination? Contact World Smiles Dental in Santa Ana to schedule a visit and discuss your concerns.