Is Dimple an Abnormality?

Dimples—indentations on the cheeks—tend to occur in families, and this trait is assumed to be inherited. ... A dimple is an anomaly of the muscle that causes a dent in the cheek, especially when the individual smiles. Some people have dimples in both cheeks, others in just one cheek.

What kind of disorder is dimples?

Cheek dimples are a Mendelian trait, following the laws of inheritance first described by Gregor Mendel in 1865. Chin dimples are also inherited. The dimples are due to the existence of the bifid, or double, zygomaticus major muscle, which ends up tethered to the cheek.

Is a dimple a birth defect?

Because cheek dimples can result from a muscular variation that occurs during fetal development, they're sometimes mistakenly referred to as a birth defect. It's important to remember that not only are cheek dimples rather common, but they also don't have any negative health effects.