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Op. Dr. Bekir Can GÜMÜŞLÜ

Masseter (Chewing Muscle) Botox

Processing Time

10 Minutes

Duration of Effect

4 to 6 months

Return to Work

Right away

Anaesthesia

Anaesthetic Cream

Page Content

The Masseter (Chewing Muscle), one of the strongest muscles in our face, is located on the sides of the jaw. In individuals who clench or grind their teeth (Bruxism) due to stress, anxiety, or habit—whether during sleep or throughout the day—this muscle overworks and grows larger and stronger, much like a bodybuilder’s muscle. This situation leads to two main problems:

  • Functional Problem: Head and jaw pain in the mornings, tooth wear, fractures, and temporomandibular joint (TMJ) disorders.

  • Aesthetic Problem: The enlarged muscles widen the face laterally. The individual develops a square or round, masculine, and harsh facial contour.

Op. Dr. Bekir Can Gümüşlü relaxes this muscle with Masseter Botox, relieving his patients of pain while thinning the face to achieve a more elegant, oval “V-Shape” appearance.

Masseter Botox as a Treatment for Teeth Grinding (Bruxism)

Many patients find it difficult to use the night guards provided by dentists. While guards protect the teeth, they do not prevent the clenching (the contraction of the muscle) itself. Masseter Botox addresses the root of the problem. The injection into the muscle reduces the excessive clenching power by 60–70%.

  • The load on the jaw joint is reduced.

  • Temple and neck pains experienced in the morning come to an end.

  • Cracking of tooth enamel and gum recession are prevented.

  • Most importantly; the function of eating (chewing) is absolutely not impaired; only the “unnecessary” clenching force is eliminated.

Aesthetic Effect: Facial Slimming

Our female patients with square faces often believe their faces are overweight; however, the issue is not bone structure but the enlarged (hypertrophic) muscle. When Botox is applied to the masseter muscle, it shrinks over time (undergoes atrophy) because it is not being overused.

  • Slimming: Within 2–3 weeks following the procedure, the face begins to narrow from the sides.

  • Prominent Cheekbones: As the lower face narrows, the cheekbones and the tip of the chin become more pronounced.

  • Result: The square facial expression softens, revealing a more feminine and slender oval face.

Application Process

Masseter Botox is a very brief procedure taking only 5 minutes.

  1. Op. Dr. Bekir Can Gümüşlü determines the location and strength of the muscle by asking the patient to clench their teeth.

  2. An injection of the appropriate dose is administered to the muscle in the lower part of the cheek using fine-tipped needles.

  3. Pain or discomfort is minimal. There is no recovery period; the patient can eat immediately (though tough gum and similar items are not recommended on the first day).

Other Non-Surgical Facial Aesthetic Procedures

Frequently Asked Questions (FAQ)

Do I have difficulty eating?

No. There are other muscles that assist in chewing (such as the temporal muscle). Masseter Botox only reduces excessive strength. Your normal eating and speaking functions will not be affected. You may only feel slight fatigue when chewing very tough meat during the first week.

Wrinkle botox does not take effect in 3 days. As muscle reduction is a physical process, aesthetic slimming generally begins in the 3rd week and reaches its maximum level in the 6th to 8th week.

The effects of Botox are temporary (4-6 months). However, there is an advantage to masseter Botox: if you have 3-4 sessions regularly (for example, every 4 months), the muscle ‘forgets’ its habit of clenching and permanently shrinks in volume. After that, a booster dose once a year is sufficient.

If administered by inexperienced hands, there is a risk of smile asymmetry if the injection is made in the wrong location (the risorius muscle). However, when performed by specialists with a thorough understanding of anatomy, such as Dr Bekir Can Gümüşlü, this risk is negligible.

Yes, it is performed especially on male patients with severe teeth grinding problems. However, the dosage is adjusted differently to prevent the face from becoming excessively thin and appearing feminine in men; the aim is functional relief rather than aesthetics.

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