My Doctor is compelling me to go for Masseters Botox, he said 2 sittings will be required, at first sitting he would inject 100 units of Botox at each side and after 6 months one more sitting will be required. I think 100units on each side is a high amount to start with, but my Dr says, for effects to show min 75units must be injected , less than that does not work. I have been reading here at realself people getting benefited from even 25units. Please guide me.
How Much Units of Masseters Botox to Start With?
Doctor Answers 14
Don't let anyone "compell" you to have botox anywhere you don't want...
if you and the doctor agree your masseter muscles are too large and you want to improve your look, then of course botox is the perfect solution to the problem...in the old days, massive amounts of botox were used, but today we know the same benefits accompany much smaller doses...I frequently start with only 15 units per side and if needed add a little more in a month or so...then the results typically last for about a year...most doctors tend to use slightly higher doses...about 25-35 units/side...
Botox and Masseter muscle
Botox in the Masseter muscle generally takes 15 to 20 units on each side to have the desired effect. It can take several weeks for the muscle to decrease and notice the facial slimming and sometimes a second course of Botox is needed. Please consult an expert in Botox. Best, Dr. Green
Botox masseter dosing
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Botox 75 Units Per Masseter?
75 units of Botox per masseter is not necessary. The doctor is most likely referring to Dysport, which is about 3:1 Botox.
Appropriate dosage for Botox and Dysport for masseter reduction, "V-line" procedure
100 units for each side is excessive. You should notice a marked improvement with an initial treatment of 25 units per side. With serial treatments, even with 20 units per side it should be possible to virtually eliminate the activity of the masseter muscle causing the bulky appearance along your jawline.
Even for Dysport, 100 units is excessive. 50-70 units per side with Dysport produces excellent results.
Masseter requires much smaller dose
The masseter is a thick, somewhat quadrilateral muscle, consisting of two parts, superficial and deep. The fibers of the two portions are continuous at their insertion. The masseter muscle is sometimes the target of plastic jaw reduction surgery.The superficial portion, the larger, arises by a thick, tendinous aponeurosis from the zygomatic process of the maxilla, and from the anterior two-thirds of the lower border of the zygomatic arch. Its fibers pass downward and backward, to be inserted into the angle and lower half of the lateral surface of the ramus of the mandible.
Deep. The deep portion is much smaller, and more muscular in texture. It arises from the posterior 3rd of the lower border and from the whole of the medial surface of the zygomatic arch. Its fibers pass downward and forward, to be inserted into the upper half of the ramus and the lateral surface of the coronoid process of the mandible.
The deep portion of the muscle is partly concealed, in front, by the superficial portion; behind, it is covered by the parotid gland.
I use 5 units of Botox with a 90% response rate for grinding and for reduction 15-20 units per side
I think that it is important to be conservative when injecting botulinum toxin in muscles that have important serve important functional or aesthetic purposes. This is particularly true when injecting around the mouth. The massester muscles serve important masticator (chewing) function. For this reason, it is important to not overinject these muscles. I start with 20-25 units per side. This leaves enough motion of the muscle to allow adequate function.
Botox and the masseter muscles
The number of Botox units required depends on the strength of your masseter muscles, your gender and the shape of your face. Most people benefit from 20 to 40 units per side. 100 Botox units per side is excessive. Did he mean Dysport units? If you are interested in treating your masseter muscles, either discuss the product and amount with your doctor or seek another opinion.
Depends on the patient
You are correct that 100 U on each side sounding excessive. Generally at a minimum we start treating at 20u/side, and increase all the way up to 50u/side depending on the size of the muscle. Perhaps they were referring to Dysport units, which would make more sense of 50-80 units per side. Have your physician clarify with you which toxin is recommended and the difference in conversion of units.
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.