The cause of TMD is very complex, as shown by the combination of psychosomatic, physiological, anatomical, postural and genetic factors, changing the balance between the basic entities of the stomatognathic system; which are occlusion, masticatory muscles
and the joint.15 Pullinger and Seligman reported that low correlation exist between occlusion and TMDs.
The angles estimate the height of the coronoid and condylar processes respect to the dentary and therefore the orientation of the masticatory muscles
(Emerson & Radinsky, 1980).
The results of this study showed that of all the masticatory muscles
, the most severe pain at palpation was related to masseter, followed by the temporalis muscle.
PT includes a large number of modalities to treat TMD pain secondary to inflammation, masticatory muscle
pain, TMJ hypo/hypermobility, disc displacement, bruxism, and fibrous adhesion .
The initial effects of occlusal splint vertical thickness on the nocturnal EMG activities of masticatory muscles
in subjects with a bruxism habit.
Effect of unilatewral posterior crossbite on the electromyographic activity of human masticatory muscles
. Am J Orthod Dentofacial Ortop.
Future studies should include additional factors such as stress distribution, bone density, and masticatory muscle
Oral health quality is highly influenced by mastication followed by sound effects, face asymmetry, tooth length, vertical dimension of occlusion, speech clarity, mobility and palpatory sensitivity of temporomandibular joints, crepitation in temporomandibular joints, palpatory sensitivity of masticatory muscles
, condition of paradonths, hygiene level, condition of mouth cavity mucous membrane, pathological changes in mouth cavity tissue, shape of a toothless alveolar ridge, bony pops in the jaw, the tongue shape, size and function, saliva viscosity, condition of old dentures.
difficulty in opening the mouth, difficulty in prehension and bilateral atrophy of masticatory muscles
. The dog was examined under general anaesthesia and diagnosed as masticatory muscle
myositis as there was no history of trauma and temporo-mandibular joint appeared to be normal.
There was thinning and decreased bulk of right masticatory muscles
suggesting hypoplasia (Figure 5(e)).
Very little information has been gathered on how playing wind instruments can adversely affect temporomandibular joints (TMJs) and masticatory muscles