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DOI: 10.4103/0970-0358.163061
Extended effect after a single dose of type A botulinum toxin for asymmetric masseter muscle hypertrophy
ABSTRACT
Facial asymmetry can either be physiological or pathological and is a common cosmetic concern. A 35-year-old Indian male presented with broad appearing lower face and prominent left jaw since adolescence. Parotid enlargement and other local disorders were ruled out. Ultrasonographic thickness of right masseter muscle was 13 mm while that of left was 14.9 mm, in unclenched state. Type-A botulinum toxin (T-ABT) was injected, evenly at five points, in both muscles within the “safe zone”. Using a 29 gauge needle, 15 and 25 international units were delivered to right and left masseters, respectively. Six months post — injection, a reduction of 2.9 mm and 4.4 mm was observed along with a reduced external facial asymmetry. At 24 months, patient maintains a satisfactory facial contour with no significant early or late post-injection complications. Intra-massteric injection of T-ABT can be used effectively as a primary or adjunct procedure for holistic oculo-facial sculpting.
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Conflicts of interest
There are no conflicts of interest.
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REFERENCES
- 1 Kim NH, Chung JH, Park RH, Park JB. The use of botulinum toxin type A in aesthetic mandibular contouring. Plast Reconstr Surg 2005; 115: 919-30
- 2 Moore AP, Wood GD. The medical management of masseteric hypertrophy with botulinum toxin type A. Br J Oral Maxillofac Surg 1994; 32: 26-8
- 3 Rijsdijk BA, van ES RJ, Zonneveld FW, Steenks MH, Koole R. Botulinum toxin type A treatment of cosmetically disturbing masseteric hypertrophy. Ned Tijdschr Geneeskd 1998; 142: 529-32
- 4 Kim NH, Park RH, Park JB. Botulinum toxin type A for the treatment of hypertrophy of the masseter muscle. Plast Reconstr Surg 2010; 125: 1693-705
- 5 Choe SW, Cho WI, Lee CK, Seo SJ. Effects of botulinum toxin type A on contouring of the lower face. Dermatol Surg 2005; 31: 502-7
- 6 Xie Y, Zhou J, Li H, Cheng C, Herrler T, Li Q. Classification of masseter hypertrophy for tailored botulinum toxin type A treatment. Plast Reconstr Surg 2014; 134: 209-18
- 7 Fedorowicz Z, van Zuuren EJ, Schoones J. Botulinum toxin for masseter hypertrophy. Cochrane Database Syst Rev 2013; 9: CD007510
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REFERENCES
- 1 Kim NH, Chung JH, Park RH, Park JB. The use of botulinum toxin type A in aesthetic mandibular contouring. Plast Reconstr Surg 2005; 115: 919-30
- 2 Moore AP, Wood GD. The medical management of masseteric hypertrophy with botulinum toxin type A. Br J Oral Maxillofac Surg 1994; 32: 26-8
- 3 Rijsdijk BA, van ES RJ, Zonneveld FW, Steenks MH, Koole R. Botulinum toxin type A treatment of cosmetically disturbing masseteric hypertrophy. Ned Tijdschr Geneeskd 1998; 142: 529-32
- 4 Kim NH, Park RH, Park JB. Botulinum toxin type A for the treatment of hypertrophy of the masseter muscle. Plast Reconstr Surg 2010; 125: 1693-705
- 5 Choe SW, Cho WI, Lee CK, Seo SJ. Effects of botulinum toxin type A on contouring of the lower face. Dermatol Surg 2005; 31: 502-7
- 6 Xie Y, Zhou J, Li H, Cheng C, Herrler T, Li Q. Classification of masseter hypertrophy for tailored botulinum toxin type A treatment. Plast Reconstr Surg 2014; 134: 209-18
- 7 Fedorowicz Z, van Zuuren EJ, Schoones J. Botulinum toxin for masseter hypertrophy. Cochrane Database Syst Rev 2013; 9: CD007510