Microtia surgery is a type of reconstructive surgery that is used to create an ear for someone who was born with microtia, a condition in which the ear is underdeveloped or missing. The goal of microtia surgery is to create an ear that looks as natural as possible and that is functional.

Microtia is a congenital condition characterized by underdeveloped or malformed ears. In some cases, microtia can affect the ear canal and hearing. Microtia surgery, also known as ear reconstruction or auricular reconstruction, is a procedure aimed at improving the appearance and function of the affected ear.

There are several surgical approaches to treat microtia, and the choice of technique depends on the severity of the condition and the patient's specific needs. One common method is the rib cartilage graft technique, where cartilage from the patient's ribcage is used to create a framework for the new ear. This framework is then covered with tissue and skin to form a natural-looking ear.