Facial Bones Change as Black Adults Age

by Colleen Fleiss on  June 5, 2019 at 3:26 PM Research News
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In black adults, facial bones maintained a higher mineral density as they aged than other races, found a Rutgers study.
Facial Bones Change as Black Adults Age
Facial Bones Change as Black Adults Age

The study, published in JAMA Facial Plastic Surgery, is the first to document how facial bones change as black adults age. The findings suggest significant differences in how facial bones age across races, which can affect how plastic surgeons approach facial rejuvenation.

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"It is important for plastic surgeons to understand how the facial aging process differs among racial and ethnic groups to provide the best treatment," said study lead author Boris Paskhover, an assistant professor at Rutgers New Jersey Medical School's Department of Otolaryngology, who specializes in facial plastic and reconstructive surgery.

How a face ages is determined by a combination of changes to the skin, muscle, fat and bones that naturally occur as people grow older. However, most facial rejuvenation procedures historically have focused on the soft tissue, using treatments like face-lifts and injectable fillers.

"As bones change, they affect the soft tissue around them, resulting in perceived decreases in facial volume," Paskhover said. "Treatment should consider the underlying bone structure." As people grow older, they can lose bone mineral density, which results in bone loss. In the face, this loss can affect the shape of the nose, lower jowl area, cheekbones and middle and lower areas of the eye sockets.

To understand how facial bones age in black adults, researchers analyzed medical records from 1973 and 2017 of 20 black patients -- 14 women and six men between ages 40 and 55 -- who had at least two facial computed tomographic (CT) images taken on average a decade apart without any surgical intervention and self-reported as being black. While the comparative images showed a significant change in the facial bones over time in the black patients, these changes were minor compared to similar studies on the aging white population.

"This finding reflects other studies that show black adults have higher bone mineral density, decreased rates of bone loss and lower rates of osteoporosis as compared to the general population," Paskhover said.

Previous studies on how facial bones age have ignored race or were limited to whites, and studies on ethnic groups focused on the differences in skin composition rather than bone changes, he said.

"These other studies have shown that the Caucasian population saw more significant bone changes over a decade, especially in the lower forehead and upper jawbone, than the black group in this study, Paskhover said. "Since this population may experience less mid-facial bone loss than whites, it suggests that bony volume loss may not contribute as much to the aging face appearance."

Source: Eurekalert

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