Dental Health Checks and Oral Cancer Screening
Most people are aware that a dental appointment involves checking their teeth and gums. Fewer realise that every dental health check also includes a systematic screening for oral cancer. This soft tissue examination is a standard and vital component of the check-up, and it is one of the most significant reasons to attend regularly — regardless of how healthy your teeth feel.
Oral cancer encompasses cancers of the lips, tongue, cheeks, floor of the mouth, hard and soft palate, sinuses, and throat. It is one of the few cancers that has seen an increase in incidence in the UK over recent decades, partly linked to rising rates of human papillomavirus (HPV). When oral cancer is identified at an early stage, treatment outcomes are considerably better than when it is caught late. The routine dental check-up is one of the primary opportunities for early detection.
How Common Is Oral Cancer?
According to Wikipedia’s article on oral cancer, it is the sixteenth most common cancer worldwide, with tobacco use and alcohol consumption being the primary risk factors. People who use both tobacco and alcohol regularly have a significantly elevated risk compared to those who use neither. HPV infection — particularly with HPV-16 — is increasingly recognised as an important risk factor, particularly for cancers of the back of the mouth and throat.
In Scotland, mouth cancer rates have been climbing in line with trends across the UK. Awareness among the general public remains relatively low compared to other cancers, which is why the opportunistic screening carried out at every dental check-up is so valuable. Many patients who are diagnosed early have no symptoms — the change is identified by a dentist during a routine examination.
Risk Factors for Oral Cancer
- Tobacco use — smoking or using smokeless tobacco products
- Regular heavy alcohol consumption
- HPV infection — particularly HPV-16
- Prolonged sun exposure (relevant primarily for lip cancers)
- Previous oral cancer diagnosis
- A diet low in fruit and vegetables
- Age — most cases occur in people over 40, though younger cases are increasing due to HPV
- Male sex — though the gender gap has narrowed in recent decades
What Does an Oral Cancer Screening at a Dental Check-Up Involve?
The soft tissue examination carried out at a dental health check does not require any special equipment or preparation. Your dentist will use a dental mirror and gloved hands to systematically inspect all of the soft tissue surfaces of your mouth. They will look at the inside of the lips and cheeks, the floor of the mouth (beneath the tongue), the tongue itself (including the sides and underside), the hard and soft palate, and the back of the throat.
The dentist will also gently feel (palpate) the floor of the mouth, the sides of the tongue, and the lymph nodes in the neck and jaw. Swollen lymph nodes can be an indicator that the body is responding to infection or, in some cases, to cancerous change in nearby tissue. The entire soft tissue examination typically takes just a few minutes as part of the broader check-up appointment.
What Are the Warning Signs Dentists Look For?
| Warning Sign | Appearance | Significance |
|---|---|---|
| Leukoplakia | White patch, cannot be wiped off | Pre-cancerous potential; requires monitoring or biopsy |
| Erythroplakia | Red velvety patch | Higher malignant potential than white patches |
| Erythroleukoplakia | Mixed red and white patch | Significant concern; urgent referral often indicated |
| Non-healing ulcer | Persistent sore lasting more than 3 weeks | Requires investigation; possible biopsy |
| Unexplained lump | Swelling in mouth, jaw, or neck | Requires urgent assessment |
| Unexplained numbness | Loss of sensation in mouth or lips | Can indicate nerve involvement |
What Happens If Something Is Found?
If your dentist identifies anything during the soft tissue examination that they feel warrants further investigation, they will refer you promptly to a specialist. In Scotland, urgent referrals for suspected oral cancer are typically seen within two weeks under the Scottish Government’s cancer referral pathway. Being referred does not mean you definitely have cancer — many abnormalities turn out to be benign — but it does ensure that anything potentially serious is assessed by the appropriate specialist without delay.
It is also worth noting that early-stage oral cancer may present as something that looks and feels quite innocuous — a small white patch, a minor ulcer that is slightly slow to heal, or a faint area of redness. These are exactly the kinds of subtle findings that a trained dentist notices, and that a patient alone would almost certainly overlook.
How to Reduce Your Risk
While no lifestyle choice can entirely eliminate the risk of oral cancer, there are evidence-based steps you can take to reduce it substantially. Not smoking is the single most impactful change for most people, followed by limiting alcohol consumption. Maintaining a diet rich in fruit and vegetables provides antioxidant protection. HPV vaccination, now available to school-age children in Scotland, offers protection against the strains of the virus most associated with oropharyngeal cancers.
Regular dental attendance ensures that any changes in the soft tissues of your mouth are detected promptly, giving you the best possible chance of catching anything significant at the earliest possible stage.
Our team at Gorgie Road Dental Practice carries out a thorough oral cancer screening at every check-up appointment. If it has been a while since you last visited a dentist, or if you have noticed any changes in your mouth, please do not hesitate to contact us. Call 0131 337 3936 to book your dental health check — it could make a real difference.