If either a single tooth or multiple teeth are missing due to congenital or acquired reasons, the patient has difficulty eating and experiences dyspepsia,
which may cause systemic hypoalimentation and worsen his or her health.
In addition, the face may change to an abnormal shape, and the patient may not be able to pronounce correctly. As a result, the patient may feel insecure or experience difficulty in his or her social life.
If a tooth is lost and neglected as it is, the adjacent teeth incline toward the empty space and the interlocked teeth go up, causing an imbalance in tooth arrangement. Food particles get stuck in the newly generated gap, which causes tooth decay and gingivitis. It may affect nearby normal teeth, gum tissues, facial muscles, and temporomandibular joints, which may lead to severe disabilities.
A prosthesis means the restoration of a defective body part. As one of the dental treatment methods, prostheses artificially restore the defective parts of missing teeth for the functional restoration and aesthetic improvement of the mouth and face. This medical practice is part of prosthodontics.
Prosthodontics is subdivided as shown below.