Linea Alba in the Mouth: Should I Be Worried?

Jun 15, 2023 | Oral Health

Linea Alba in the Mouth: Should I Be Worried?
Have you noticed an odd line of raised tissue on the inside of your cheek that is white in appearance? Chances are this odd white line is a common condition known as linea alba. But should you be worried if you find this odd line when brushing your teeth? While linea alba does not usually cause pain or discomfort and most cases will resolve on their own, it is important to address the possible cause and address it before it causes the linea alba to worsen.

What is Linea alba?

Oral linea alba refers to a white line or ridge that can appear on the inside of the cheeks or along the inner surface of the lips. It is a benign condition resulting from the thickening of the epithelial tissue, likely due to frictional irritation or pressure from habitual biting or chewing of the oral tissues.

What causes linea alba in the mouth?

The exact cause of linea alba in the mouth is not fully understood. However, it is believed to be primarily caused by frictional irritation or pressure on the oral tissues. Some common factors that can contribute to the development of oral linea alba include:


    • Habitual biting or chewing: Constantly biting or chewing on the inside of the cheeks or lips can lead to the formation of a linea alba.
    • Bruxism: Teeth grinding or clenching, known as bruxism, can cause chronic pressure and irritation on the oral tissues, potentially leading to the appearance of a linea alba.
    • Dental malocclusion: Misalignment of the teeth or improper bite can create areas of increased pressure or rubbing within the mouth, contributing to the formation of linea alba.
    • Tobacco use: Smoking or using smokeless tobacco products can irritate the oral tissues and potentially contribute to the development of oral linea alba.
    • Oral appliances: Dentures and orthodontic appliances that do not fit properly or provide regular friction against the inner tissue of the cheeks can contribute to tissue injury and the development of linea alba.

It’s important to note that while these factors are commonly associated with linea alba, the condition can also occur without any specific underlying cause. If you have concerns about the appearance or persistence of linea alba in your mouth, it is recommended to consult a dentist or healthcare professional for a proper evaluation.

Should I be worried about linea alba?

In general, oral linea alba is a benign condition and does not typically require any specific treatment or cause for concern. It is a common finding in the oral cavity and often resolves on its own. However, if you have any concerns about the appearance, size, or persistence of the linea alba, or if it becomes painful, inflamed, or shows any other unusual changes, it is advisable to consult a dentist or healthcare professional for an evaluation.

While linea alba is generally harmless, other oral conditions may present with similar white lines or patches in the mouth. A professional examination can help rule out any underlying issues and provide appropriate guidance. Your dentist or healthcare professional will be able to assess your specific situation, provide a diagnosis, and offer any necessary treatment or further monitoring if required.

How is linea alba diagnosed and treated?

The diagnosis of linea alba in the mouth is typically made through a visual examination by a dentist or healthcare professional. They will inspect the inside of your cheeks and lips to look for the characteristic white line or ridge. In some cases, they may gently palpate the area to assess for any pain or inflammation.

Treatment for linea alba is generally not required as it is a benign condition. However, if there are concerns or if the Linea alba becomes painful or inflamed, treatment options may include:


    • Symptomatic Relief: Over-the-counter pain relievers or topical oral gels may be recommended to alleviate any discomfort or inflammation associated with Linea alba.
    • Habit Modification: If the Linea alba is attributed to habitual biting or chewing on the inside of the cheeks or lips, behavioral changes or strategies may be suggested to help break the habit and reduce irritation.
    • Dental Intervention: In some cases, dental interventions may be necessary, especially if the Linea alba is associated with dental malocclusion or bite issues. Orthodontic treatment or bite adjustments may be considered to alleviate pressure on the oral tissues.

It’s important to consult a dentist or healthcare professional for a proper evaluation and personalized treatment recommendations based on your specific situation. They will be able to assess the condition, provide guidance, and determine the most appropriate course of action if needed.

Preventing linea alba in the mouth

There are some measures you can take to potentially reduce the occurrence or minimize the potential impact of linea alba. This can include:


    • Avoid habitual biting or chewing: Be conscious of any habits of biting or chewing on the inside of your cheeks or lips. If you catch yourself engaging in this behavior, try to redirect your attention or find alternative ways to cope with stress or anxiety.
    • Maintain good oral hygiene: Practicing regular and thorough oral hygiene, including brushing your teeth twice a day and flossing daily, helps to keep your oral tissues healthy and may reduce the risk of developing oral linea alba.
    • Address bruxism: If you grind or clench your teeth, known as bruxism, speak with your dentist about possible solutions. They may recommend a mouthguard or other interventions to protect your teeth and oral tissues from excessive pressure.
    • Seek dental evaluation: Regular dental check-ups allow your dentist to monitor the condition of your oral tissues, including the presence of linea alba. They can provide guidance specific to your oral health and suggest any necessary interventions.
    • Avoid tobacco use: If you smoke or use smokeless tobacco products, consider quitting or reducing your consumption. Tobacco can irritate the oral tissues and contribute to the development or worsening of oral conditions, including linea alba.

Identifying linea alba and what may have caused it

While linea alba does not usually contribute to pain or discomfort, it is important to identify it and the potential cause of the condition in order to allow it to heal and prevent it from happening on a regular basis. Regular dental exams can help to identify potential causes, and, in the case of oral appliances, your dentist can often make alterations to help reduce the risk. If this white line or ridge remains longer than a week or two, seems to be worsening, or causes pain and discomfort, it is important to see your dentist or healthcare provider as soon as possible to rule out other conditions, such as oral thrush, oral leukoplakia, oral lichen planus, or Fordyce granules.

Helping to keep your smile healthy and beautiful

At Soundview Family Dental, our goal is to help you achieve and maintain a beautiful, healthy smile. If you discover a white line or ridge in your mouth and feel it may be linea alba, it is a good idea to have a comprehensive dental exam that can help identify the potential underlying cause and determine an effective treatment plan that will help prevent this from returning. To schedule an appointment, call (425) 434-5997 today to schedule an appointment.

Eric Kitts, DDS

Eric Kitts, DDS

Owner @ Soundview Family Dental

Born in Seattle and raised in Puyallup, Dr. Eric Kitts received his undergraduate degree from Washington State University and his DDS from the University of Washington School of Dentistry. Dr. Kitts began practicing dentistry in 2000, at his office in Richmond Beach. In 2011, Dr. Kitts built a brand-new, state-of-the-art dental facility located in the heart of downtown Edmonds.

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Are you unhappy with the appearance of your teeth and refuse to show the world your beautiful smile? Has discomfort at the dentist kept you from receiving dental work that will give you a reason to smile again?

At Soundview Family Dental in Edmonds, WA, we understand that not everyone likes the dentist. Our team of caring professionals works with you to ensure that you feel comfortable from the moment you walk through the door. Specializing in cosmetic and restorative dentistry, Dr. Kitts and his team work hard to preserve your natural teeth and give you back a smile you can be proud of.

Contact today to schedule an appointment and let our team deliver a beautiful, natural-looking smile you can be proud to show off.

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