A prosthetic device is any device that helps replace, correct, or support a body part or function of a body part. Examples of these devices include: Dentures, which help replace missing teeth and take over the function of chewing. Prosthesis: An artificial replacement of a part of the body, such as a tooth, a facial bone, the palate, or a joint. A prosthesis may be removable, as in the case of most prosthetic legs or a prosthetic breast form used after mastectomy. A prosthetic device is any device that helps replace, correct, or support a body part or function of a body part. Examples of these devices include: Artificial body parts, like limbs, which replace the limb and help a person independently navigate their world. A prosthetic device, very generally, is any device that helps replace, correct or support a body part. In other words, it replaces a part of the body, it corrects a physical deformity or physiological malfunction of some sort, or it supports a weak or deformed part of the body.