Evaluation and selecting indications for the treatment of improving facial morphology by masseteric injection of botulinum toxin type A

Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS
Li GaofengLiu Dongping

Abstract

Few reports exist on effective methods of evaluating the effects and selecting indications for the treatment of improving facial morphology by masseteric injection of botulinum toxin type A. The method for selecting indicative factors, as determined by the change of masseteric area volume at a standard frontal view when tightly clenching teeth, was used in this study. Patients with varying masseteric area volume were randomly enrolled. Bilateral masseteric muscles were treated with multi-point percutaneous intramuscular injections of botulinum toxin type A, 30-50 u for each side. Changes in facial appearance and satisfaction of patients were observed and standard frontal view photographs were taken pre-treatment and 2-3 months post-treatment. Following this, the anterior facial height(FH), bizygomatic facial width (FWz) and intergonial width (FWg) were measured from the photographs. The indices of FH/FWz and FWg/FWz were calculated and analysed. The results showed that the volume of masseteric area was reduced and the facial morphology was improved at 2-4 weeks post-injection, with maximum reduction at 2-3 months post-injection. All of the 32 patients were satisfied with the clinical effects. The pre-treatment and post-treatmen...Continue Reading

References

Jan 1, 1991·Aesthetic Plastic Surgery·A CarbonellJ Planas
Feb 1, 1994·The British Journal of Oral & Maxillofacial Surgery·A P Moore, G D Wood
Sep 4, 2004·The Journal of Craniofacial Surgery·Kun HwangIn Hyuk Chung
Feb 26, 2005·Plastic and Reconstructive Surgery·Nam-Ho KimJong-Beum Park
Nov 28, 2007·Plastic and Reconstructive Surgery·Ki Young Ahn, Seong Taek Kim

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Citations

Feb 20, 2016·Aesthetic Plastic Surgery·Woffles T L WuUNKNOWN Asian Facial Aesthetics Expert Consensus Group
May 4, 2012·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·M G Berry, Jan J Stanek
Nov 13, 2014·Anais Brasileiros De Dermatologia·Fernanda Homem de Mello de Souza KleinKarin Adriane Helmer
Jul 30, 2014·Plastic and Reconstructive Surgery·Yun XieQingfeng Li
Aug 28, 2020·Aesthetic Plastic Surgery·Woffles T L WuUNKNOWN Asian Facial Aesthetics Expert Consensus Group

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