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Fig. 8 | Maxillofacial Plastic and Reconstructive Surgery

Fig. 8

From: Application of botulinum toxin in maxillofacial field: part I. Bruxism and square jaw

Fig. 8

Variation in percentage reduction in muscle mass over time. This graph demonstrates the variation in percentage reduction in muscle mass overtime. According to the result of ultrasonic testing, the extent of reduction in muscle mass began after the injection, from third week, and persisted up to 6 months. It is evident that the second injection should be performed within 3–6 months [14]

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