CLASSIFICATION OF OROFACIAL PAINS
Numerous classification systems exist for orofacial pain conditions. At the most basic level, it is appropriate to classify orofacial pains as primarily somatic, neuropathic, or psychologic in or.igin. SOli/atic pain arises from musculoskeletal or visceral structures interpreted through an intact pain transmission and modulation system. Common orofacial exampres
of musculoskeletal pains are temporomandibular disorders or periodontal pain. Examples of visceral orofacial pains would include salivary gland pain and pain caused by dental pulpitis, the tooth pulp behaving like a visceral
structure. Neuropathic pain arises from damage or alteration to the pain pathways, most commonly a peripheral – nerve injury from surgery or trauma. Other causes may involve G\S injurv as in thalamic ~~roke.
.Orofacial pairls ~t’true ps)’clw/ugic oriSill are so rare as not to be included in the differential diagnosis of orofacial pain for the general practitioner. Although psychologic influences frequently _modify the patient’s perception of pain intensity and their response to pain, an actual pain symptom generated by intrapsychic disturbance (e.g., conversion disorder, psychotic delusion! is exceedingly rare paragraph.