25.1 Indications
Key words: cheekbone prominence, cleft lips, contouring of mandibular border and angle, deep skin faults, filling of nasolabial faults, frown lines, lipodystrophy, scarred skin defect
Fat grafting can be performed for medical and esthetic reasons. The transitions are also fluid in orthognathic surgery. Autologous fat grafting is valuable on the one hand for the treatment of regional facial lipodystrophy, and on the other for the restoration of contours in syndromes and malformations in the facial region, such as a secondary measure after surgically treated cleft lips. It can also be used to reline retracted facial scars or to make lip contours more esthetic. Contour improvements in the entire facial area may also be indicated after reconfiguration osteotomies. Fat grafting is particularly suitable for camouflaging bony jaw defects at the horizontal mandibular margin, after chin wing surgery in the mandibular angle region, or for accentuating the mandibular angle contour in vertical mandibular growth with only minor bony mandibular angle expression. The shaping of the cheekbone prominence can also be indicated for esthetic reasons. The most frequent indication for fat grafting in the existing patient population is the filling of deep nasolabial folds. Deep frown lines of the forehead are also often an occasion for fat tissue transplantation (Fig 25-1a), when the elimination of mimic muscle functions by botulinum toxin alone is no longer sufficient to smooth the skin surface.