In contrast, submalar implants are not placed on the cheekbones. They are intended to augment the midface, especially if the person has a gaunt or "sunken" appearance to this area. Combined implants or malar/submalar combination, are an extended implant intended to augment both the midface and the cheekbones.
The text contrasts submalar implant placement with cheekbone implants, highlighting their intended use for enhancing the midface. It also explains that combined implants are designed to address both the midface and cheekbones for a fuller appearance.