Can Masseter Botox Results Be Reversed?

ive Done Masster Thrice in 3yrs .But Feel That the Natural Jawline I Had Was Better.

Doctor Answers 13

Over time the effects will wear off.

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Masseter BOTOX therapy is transient.  The direct effects last about 4 months.  Muscle retraining effects last a bit longer than this.  However, after about a year, it is highly improbable that any changes in your jaw line that you might perceive will be related to the BOTOX treatment.  Remember though that time alone changes the face.  If you have gained or lost weight, this will have a bearing on how your perceive the face.

Beverly Hills Oculoplastic Surgeon
4.9 out of 5 stars 26 reviews

Just wait a few months

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Botox achieves only temporary results. If you wait a few months, the results of your treatment will gradually disappear and your jawline will return to it pre-treatment state.

Masseter muscle treated with Botox

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hypertrophic masseter muscles create a fat face appearance.  This is genetic.  Botox can reduce the contraction of this chewing muscle and give the face a more narrow appearance.  Once the botox wears off the muscle will return to its normal self, but there is not antidote or reversal medication.

Ronald Shelton, MD
Manhattan Dermatologic Surgeon
4.9 out of 5 stars 38 reviews

Masseter Reduction

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Botox masseter reduction is where botox is injected in the masseter muscle to reduce its size and force.  Over time, the patient learns to not flex and use his/her masseter muscle as much and the muscle will atrophy.  My experience, as well as several research studies, have supported the long term effects of botox on the masseter area.   In addition, to working on the muscle, botox can shrink the parotid gland, which is a salivary gland in the same area as the masseter muscle.  Finally, there is some anecedotal evidence and basic science supporting the notion that botox can decrease bone density, however this has not been established.

The long term effects of your botox are probably from the reasons mentioned above.  If you wanted more bulk in the area of the masseter muscle, you could chew gum, chewy foods such as cuttle fish or tough steak, and flex your maseter muscle frequently during the day.  

It is important that the injector of botox have a keen understanding of both facial aesthetics (ability to create an improved shape which enhances facial appearance) and knowledge of facial anatomy.



Anil R. Shah, MD
Chicago Facial Plastic Surgeon
4.8 out of 5 stars 171 reviews

Masseter and botox

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As you are aware, Botox will diminish its activity over time and it could lead to mild atrophy of the masseter muscles. If you prefer larger masseters, over time with extended use, the masseter muscle mass will enlarge and thereby provide you with a different appearance. Activities such as chewing gum can increase the use of masseter muscle and girth.

John Pak, MD, PhD
Chicago Oculoplastic Surgeon

Reverse of Masseter Muscle Botox

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The effects of Botox injections in the masseter muscle can be reversed, but only with time and patience. Fortunately for you, Botox provides temporary results.

Richard W. Fleming, MD
Beverly Hills Facial Plastic Surgeon
4.9 out of 5 stars 40 reviews

Effects of Botox on Masseter Muscle Can Last a Year or More

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I frequently use Botox injections in my Toronto Clinic  to give the lower face a rounder shape in those with a very square lower face, due to large masseter muscles.  It is common for individuals who clench their teeth hard (such as athletes) or grind their teeth at night to develop significant enlargement of these large facial muscles. Following injections of Botox directly into the muscle, gradual flattening occurs over the next 4 months or so.  The effects can last up to a year or more.  If you prefer your pre-Botox appearance, do not repeat any further Botox and the muscles will gradually "bulk up" again.

Sheldon V. Pollack, MD, FRCPC

Medical Director, Toronto Cosmetic Skin Surgery Centre, Inc.

Sheldon Pollack, MD
Toronto Dermatologic Surgeon

Can botox effects on masseter muscle be reversed

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Botox effects are temporary, usually lasting 3-4 months.  Botox interrupts the signal from the nerve to muscle to contract.  This causes a temporary thinning of the muscle. 

Masseter muscle injections are done to taper down an oversized muscle that is used for chewing or clenching your teeth.  Some people have a genetically larger muscle, giving the jawline a bulkier appearance.  Botox injections help to sculpt the lower part of the face by decreasing the size of the muscle, but those effects need to be maintained.

For the masseter muscle, injections are usually done every 6 months to maintain the desired look.  If the injections are stopped, within 2-3 months, the muscle will be back to its normal shape and size.

Emily Altman, MD
Short Hills Dermatologic Surgeon

Botox, Wrinkle Treatment, Beverly Hills Botox, Los Angeles Botox, Nasal Surgery, Beverly Hills Rhinoplasty

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You may consider clenching your teeth together to work the Masseter muscle but suggest that you first consult with your dentist and ask his/her opinion along with the use of a bite mouth guard.  By causing the targeted muscles to contract, you can increase the muscle size and counteract some of the Botox effects.  There's no way to tell if this will result in the pre Botox Masseter size or not.

Botox and masseter muscle

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Injection of botox to the masseter muscle if repeated may weaken  the muscle and causa it to atrophy a bit.   I fyou stop using it, the muscle may hypertrophy again over time but it is difficult to predict.

These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.