19 Neurotoxin Injection for Dimpled Chin
Difficulty: ●
Patient Satisfaction: ●●●
Risk: ●
Indications
Some patients inadvertently wrinkle their chins either at rest or while talking. Usually it is not noticed by the patient until it is pointed out by the clinician. Dimpled chins can also be seen after chin implants, or in patients with retrognathia. Atrophy of the subcutaneous fat and dermis overlying the muscles can contribute to a dimpled appearance. Because this dimpling somewhat resembles the skin of an orange, this deformity is called “peau d’orange” chin.
Anatomic Considerations
The paired mentalis muscles originate on the incisor fossa of the mandible and insert directly onto the dermis of the chin skin. Contraction of the mentalis muscles elevates the lower lip, producing a “pout.” Contraction also contributes to the mental crease.
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