White Patches at the Back of the Mouth: Should You Be Concerned? - Dentistry

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White patches in the mouth, particularly near the base of the tongue, can be concerning and warrant further investigation. These patches may be indicative of several conditions, some of which are benign while others could be more serious. Given your description and the fact that you recently had a dental cleaning, it is essential to consider a few possibilities.

One common cause of white patches in the mouth is oral thrush, a fungal infection caused by an overgrowth of Candida yeast. This condition often presents as creamy white lesions that can be painful and may bleed when scraped. Oral thrush is more common in individuals with weakened immune systems, those taking antibiotics, or those with certain health conditions like diabetes.

Another possibility is leukoplakia, which appears as white patches on the mucous membranes of the mouth. This condition can be caused by chronic irritation, such as from tobacco use or ill-fitting dentures. While leukoplakia itself is not cancerous, it can sometimes be a precursor to oral cancer, especially if the patches are persistent and cannot be easily wiped away.

Additionally, lichen planus is an inflammatory condition that can cause white, lacy patches in the mouth. This condition is often associated with stress and can be exacerbated by certain medications or dental materials. While lichen planus is generally not serious, it can cause discomfort and may require treatment.

Given your history of teeth grinding (bruxism), it is also possible that the white patches could be related to trauma or irritation from grinding your teeth. Chronic grinding can lead to changes in the oral mucosa, including the development of calloused areas that may appear white.

Since you mentioned that the patches are more pronounced on the left side and you have recently had a dental cleaning, it is crucial to follow up with a healthcare professional. A dentist or an ear, nose, and throat (ENT) specialist can perform a thorough examination and may recommend a biopsy if there is any suspicion of a more serious condition. They can also assess whether the patches are related to your bruxism or if they are indicative of another underlying issue.

In summary, while white patches in the mouth can be benign, they can also signal more serious conditions. It is essential to seek professional evaluation, especially since you have noted a change in your oral health. Early diagnosis and treatment can help prevent potential complications and ensure that any underlying issues are addressed promptly. Remember, maintaining good oral hygiene and regular dental check-ups are vital for overall oral health.