17/10/2025
Dr. Jędrzej Gącienica-Ciułacz

Botulinum toxin in dentistry - what to know

Botulinum toxin has gained wide popularity due to its applications in aesthetic medicine. However, its effect goes far beyond smoothing wrinkles. In recent years, it has also found application in dentistry, where it is used to treat various ailments and improve the aesthetics of a smile. However, the use of botulinum toxin in this area raises questions about its safety and effectiveness. In this article, we will look at the benefits that botulinum toxin can bring in dentistry, the potential risks and contraindications, and the issues that are worth paying attention to before proceeding with the procedure. Thanks to this, we will get a more complete picture of this modern tool, which can significantly improve the comfort of life of patients.

Botulinum toxin at the dentist — when is it used?

Botulinum toxin is a substance widely used in aesthetic medicine. It has also found application in dentistry, going beyond cosmetic procedures. Below are the main indications for the use of botulinum toxin in the dental office.

  1. Treatment of bruxism

Bruxism is a habitual grinding of teeth, often occurring during sleep, which can lead to tooth damage, jaw pain, headaches, and temporomandibular joint (TMJ) problems. Botulinum toxin can be used to reduce the tone of the masticatory muscles, which relieves the symptoms of bruxism.

  1. Treatment of temporomandibular joint (TMJ) disorders

Patients with TMJ disorders often experience pain and discomfort associated with jaw movement. Botulinum toxin can help relax muscles and reduce pain, leading to improved joint function and patient quality of life.

  1. Treatment of migraines and headaches

Botulinum toxin is also used to treat migraines and chronic headaches. In patients whose headaches are associated with tension in the muscles of the face and jaw, botulinum toxin can bring relief by reducing the tension in these muscles.

  1. Gum smile correction

A gingival smile, where an excessive amount of gum is visible when smiling, can be an aesthetic problem for many patients. The use of botulinum toxin to relax the muscles responsible for lifting the upper lip can help reduce the visibility of the gums when smiling.

  1. Treatment of facial asymmetry

Asymmetry of the face caused by dental or muscle problems can be effectively treated with botulinum toxin. Botulinum toxin injections help balance muscle tone, which leads to a more symmetrical appearance of the face.

  1. Reduction of pain after dental procedures

After some dental procedures, such as wisdom tooth extractions, patients may experience significant muscle pain. Botulinum toxin can be used as an additional tool to reduce pain and speed up the recovery process.

  1. Treatment of excessive salivation

In patients with excessive salivation, which can be the result of various neurological diseases, botulinum toxin can be used to reduce the activity of the salivary glands, which leads to a reduction in saliva production.

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What is worth knowing before the procedure?

The use of botulinum toxin can bring relief from many ailments and improve the aesthetics of a smile. However, before proceeding with the procedure, it is worth knowing the issues related to the safety and effectiveness of this solution.

How does botulinum toxin work?

Botulinum toxin is a neurotoxin produced by bacteria Clostridium botulinum. It works by blocking nerve signals to the muscles, which leads to their temporary relaxation. In dentistry, it is mainly used to treat problems associated with excessive muscle tension. Botulinum toxin is used to treat conditions such as bruxism (teeth grinding), temporomandibular joint (TMJ) disorders, migraines and chronic headaches, gummy smile, facial asymmetry and excessive salivation.

The safety of the procedure with the use of botulinum toxin in dentistry largely depends on the qualifications and experience of the specialist. Treatments should be performed by qualified dentists or doctors who have appropriate certificates and training in the use of botulinum toxin. The doctor's experience is crucial, as precise injection of the toxin is essential to achieve the desired effects and minimize the risk of side effects.

Possible side effects

Although botulinum toxin is considered safe, some side effects can occur. Most often, these are local reactions such as swelling, bruising, pain at the injection site or temporary weakness of the facial muscles. Less commonly, systemic symptoms such as headaches or dry mouth may occur. Side effects are usually mild and transient, and their severity depends on the individual reaction of the body and the precision of the procedure.

Effectiveness of botulinum toxin in dentistry

The effectiveness of botulinum toxin in dentistry is confirmed by numerous clinical studies. The effects of the treatment are usually visible within a few days, and full results are achieved after about two weeks. The effects of botulinum toxin injection last on average from 3 to 6 months, after which the procedure can be repeated. With bruxism and TMJ disorders, patients often experience a significant reduction in pain and muscle tone. In aesthetic procedures, such as gingival smile correction, patients notice a marked improvement in the appearance of the smile and the proportions of the face.

Dental consultation before the procedure

Before proceeding with the procedure, it is essential to have a thorough dental consultation. What is worth paying attention to during such a visit?

Medical interview

The basic step during the consultation is to conduct a detailed medical history. The doctor should ask about the patient's medical history to know all existing conditions, in particular neuromuscular diseases, blood clotting disorders and allergies. It is also important that the dentist knows all the medicines that the patient is taking, including dietary supplements, as some of them can affect the effects of botulinum toxin or increase the risk of side effects. Information about previous treatments, especially those in the face and neck, is also important for proper planning of botulinum toxin treatment.

Evaluation of indications for surgery

The consultation should include a thorough assessment of the indications for the use of botulinum toxin. The dentist will assess whether it is an appropriate solution for the patient's problems, such as bruxism, which is frequent grinding of teeth that can lead to enamel damage and jaw pain; temporomandibular joint (TMJ) disorders, which are problems with the functioning of the joint that can cause pain and discomfort; migraines and chronic headaches, where botulinum toxin can help relieving pain in patients suffering from migraines associated with facial muscle tension; gingival smile, which is excessive exposure of the gums during a smile that can be corrected using botulinum toxin; and facial asymmetry, where irregularities in facial muscle tone can be smoothed out using the toxin.

Discussion of expectations and realistic results

During the consultation, the doctor should carefully discuss with the patient the expectations for the procedure. It is important for the patient to have a realistic idea of the results and to be aware that the effects are not immediate — the full results of the procedure are visible after about two weeks. The patient should also be aware that the effect of the toxin lasts an average of 3 to 6 months, after which the treatment can be repeated, and that there is a possibility of side effects such as swelling, bruising or pain at the injection site, although these are usually mild and transient.

Preparation for the procedure

At the end of the consultation, the doctor should inform the patient about the preparation for the procedure. These may include avoiding blood-thinning medications, such as aspirin and other anti-inflammatory drugs, to minimize the risk of bruising; avoiding alcohol a few days before surgery, as alcohol can increase the risk of bleeding and bruising; and post-surgery care tips on how to proceed after surgery to get the best results and minimize the risk of complications.

What are the contraindications for botulinum toxin surgery in dentistry?

Although botulinum toxin is generally considered safe, there are some contraindications that must be considered before proceeding with the procedure. Here are the main contraindications to the use of botulinum toxin in dentistry:

  • Pregnancy and breastfeeding: Botulinum toxin is not recommended for pregnant and lactating women.
  • Neuromuscular diseases: People suffering from neuromuscular diseases such as myasthenia gravis, amyotrophic lateral sclerosis (ALS) or Lambert-Eaton syndrome should avoid botulinum toxin treatments.
  • Allergies to the components of the preparation: Patients with an allergy to any component of the botulinum toxin preparation should not undergo procedures with its use.
  • Recent facial surgeries: People who have recently undergone facial surgery, especially in the area of the planned toxin injection, should postpone the procedure.
  • Blood clotting disorders and taking anticoagulants: Patients with blood clotting disorders or taking anticoagulants, such as warfarin or aspirin, may be at greater risk of complications related to bleeding and bruising.
  • Infections at the injection site: Skin infections or other infections in the area of the planned injection of botulinum toxin are a contraindication to the procedure.
  • Intolerance to botulinum toxin or previous negative experiences: Patients who have previously had negative reactions to any form of botulinum toxin should avoid re-treatments.

The use of botulinum toxin in dentistry is a modern solution that can bring numerous benefits in the treatment of both functional and aesthetic problems. The safety and effectiveness of botulinum toxin is confirmed by numerous clinical studies, which makes it a valuable tool in the hands of qualified specialists. Properly performed treatment with botulinum toxin can significantly improve the quality of life of patients, reducing pain, muscle tension and improving the aesthetics of a smile. However, the key to a successful procedure is proper consultation, a thorough assessment of the indications and the exclusion of possible contraindications. Patients should be aware that although botulinum toxin is generally safe, there are several important issues to consider before proceeding with the procedure. It is important to consult an experienced dentist who will conduct a detailed medical interview and help you make an informed decision. Thanks to this, it is possible to minimize the risk of complications and achieve optimal results.

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Dr. Jędrzej Gącienica-Ciułacz

Dentist/Prosthetist

Dr. Jędrzej Gącienica-Ciułacz is a dentist who, thanks to his cordial approach, facilitates visits even for the most fearful patients. His extraordinary ability to build trust and natural kindness allows patients to feel safe and comfortable from the first moments in the office. He is a doctor who does not recognize the concept of “hopeless case” — instead, he treats every challenge as an opportunity to create a beautiful, healthy smile. By combining his medical knowledge with an individual approach to each patient, he creates an atmosphere of support and understanding.

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