Prognathism - protruding chin
Encyclopedia Symptoms / / August 12, 2017
Prognathism - one of the types of the human face of the structure, characterized by heaving (protrusion) of the lower jaw.This occurs when the shape of the facial bones cause abnormal growth of teeth.
Prognathism may cause malocclusion (offset occlusal surfaces of the upper and lower teeth), giving some people look angry or violent.Prognathism can be a symptom of various syndromes or symptoms.
Speakers jaw can be part of the normal shape of the face, with which people are born.A similar structure is found in the person of representatives of different racial groups, and the most typical of the equatorial and southern Mongoloid race.
Changing the shape of the jaw can also be caused by hereditary diseases - such, for example as Crouzon syndrome or basal cell nevus.Such a structure of the face may develop over time in children or adults as a result of diseases such as acromegaly or gigantism.
Diagnosis and treatment of prognathism
For the treatment of atypical and alignment
doctor will have to perform diagnostic testing and patient can ask questions regarding the history of his illness.
Questions can be such:
- whether there is a family history of unusual shape of the jaw;
- if difficulties arise with speech, chewing or biting;
- which still have symptoms of the patient.
Diagnostic tests may include:
- X-rays of the skull;
- X-rays of the jaw and teeth;
- prints occlusion (plaster molds to the teeth).
This symptom can be corrected with the help of surgery.Experienced doctors - plastic surgeon or ENT (otolaryngologist) - can perform this simple operation.