N Iblher1, G-B Stark, V Penna. 1. Department of Plastic and Hand Surgery, University Medical Center Freiburg, Freiburg, Germany. niklas.iblher@uniklinik-freiburg.de
Abstract
OBJECTIVES: The perioral region is subject to a myriad of different treatments for rejuvenation, many of which are applied without a clear understanding of the underlying physiological processes of perioral aging. The results of these procedures are therefore sometimes not optimal and do not achieve a natural youthful appearance. The aim of this study was to put the results of three investigations into the perioral aging process into relation to clinical application in aesthetic medicine. DESIGN: Three different investigations were performed to evaluate the complex 3-dimensional changes during the perioral aging process. Perioral proportions of 182 standardized subject photographs were measured in a photomorphometric study and correlated to age. In cranial MRI scans of 30 women aged 20-35 and 30 women aged 65-80 relevant anatomical dimensions were measured. Histological cross cuts of the upper lip complex of 20 individuals in two age groups, young (< 40 years, n = 10) and old (> 80 years, n = 10), were analysed. The results were then set into relation to today's lip rejuvenation procedures. RESULTS: All studies showed a statistically significant lengthening of the aging upper lip. The photomorphometric study further showed an increase of prolabium skin at the cost of a decreasing visible upper lip vermilion. The MRI scans showed a decrease in thickness and redistribution towards a length increase but no total volume loss. Histomorphometric analysis revealed statistically significant thinning of the cutis, thickening of the subcutis and a degeneration of elastic and collagen fibers. The orbicularis oris muscle becomes thinner and shows a decrease of the forward curve defining the vermilion border. The results show that the main processes of lip aging are redistribution from thickness to length without total volume loss and a decrease of structural components of the lip, which leads to the decrease of pouting, an inversion of the vermilion and a ptosis of the lip. CONCLUSION: A new and better understanding of the underlying physiological changes of perioral aging is essential and will lead to a better and more specific implementation of perioral rejuvenation procedures which will lead to more natural results.
OBJECTIVES: The perioral region is subject to a myriad of different treatments for rejuvenation, many of which are applied without a clear understanding of the underlying physiological processes of perioral aging. The results of these procedures are therefore sometimes not optimal and do not achieve a natural youthful appearance. The aim of this study was to put the results of three investigations into the perioral aging process into relation to clinical application in aesthetic medicine. DESIGN: Three different investigations were performed to evaluate the complex 3-dimensional changes during the perioral aging process. Perioral proportions of 182 standardized subject photographs were measured in a photomorphometric study and correlated to age. In cranial MRI scans of 30 women aged 20-35 and 30 women aged 65-80 relevant anatomical dimensions were measured. Histological cross cuts of the upper lip complex of 20 individuals in two age groups, young (< 40 years, n = 10) and old (> 80 years, n = 10), were analysed. The results were then set into relation to today's lip rejuvenation procedures. RESULTS: All studies showed a statistically significant lengthening of the aging upper lip. The photomorphometric study further showed an increase of prolabium skin at the cost of a decreasing visible upper lip vermilion. The MRI scans showed a decrease in thickness and redistribution towards a length increase but no total volume loss. Histomorphometric analysis revealed statistically significant thinning of the cutis, thickening of the subcutis and a degeneration of elastic and collagen fibers. The orbicularis oris muscle becomes thinner and shows a decrease of the forward curve defining the vermilion border. The results show that the main processes of lip aging are redistribution from thickness to length without total volume loss and a decrease of structural components of the lip, which leads to the decrease of pouting, an inversion of the vermilion and a ptosis of the lip. CONCLUSION: A new and better understanding of the underlying physiological changes of perioral aging is essential and will lead to a better and more specific implementation of perioral rejuvenation procedures which will lead to more natural results.
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