While some consider a perfect smile or jawline aesthetically pleasing, dimples carry the day for others. In some cultures, these small indentations on the chin or cheeks signify beauty and luck.

In people without dimples, the zygomaticus major muscle usually begins at a bone in your cheek called the zygomatic bone. It then runs downward, connecting to the corner of your mouth. In people ...

This dimple can occur at the bottom on one or two sides of the mouth corners. Mouth corner dimples are types of dimples found ...

the rarest kind of dimple is called the fovea inferior anguli oris or bilateral dimples — one dimple on each corner of the mouth. Dimples are caused by having differences in the zygomaticus ...

In people with dimples, however, the zygomaticus major divides into two groups of muscle — one above the corner of the mouth and the other below. This is called a double or bifid ZMj.

German researchers have now presented the case of a 51-year-old HIV-positive patient, whose ulcer at the corner of his mouth occurred as the first sign of infection with monkeypox virus.

A Reddit thread pointed us to a growing trend in Asia: Mouth corner lift surgery. This is where tiny incisions in the corners of the lip are used to raise the sides of the mouth. A photo posted by ...