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BTS Biomedical
BTS TMJOINT
guide to the report data reading
There will be the letter “R” when there is mainly a torsion to the right,
while the letters “L” when the torsion is mainly to the left. It will be
also reported in what percentage the dominant couple contributes to the
creation of torque.
• TORS: graphical representation
The resulting action of the temporalis muscle, added to the resulting
strength of the contralateral masseter, generates a pair of forces with a
moment which tends to laterodeviate the jaw in the direction of the
resultant of the anterior temporal.
If the right is greater, the target will be not only circular, but it will report
an arrow to the right.
Similarly, the arrow will be leftward if the coefficient calculated for the
couple anterior temporal-right masseter is greater.
We must not think that there is a real torsion of the mandible
because we are under static conditions. Any clinical condition,
which can be likened to pre-contact and then to tooth contact
sliding, is therefore already occurred. The TORS index expresses
a condition clinically worse because detectable only using
instruments, that is the presence of fulcrums.
The muscles continue to activate and inhibited themselves in
the pursuit of stability. Clinically this corresponds to a contact
mainly in the antero lateral area of the dental arch or to a
contact qualitatively insufficient in the latero posterior sectors.
It is generally associated also with temporomandibular joint
problems. If associated with values of IMPACT lower than
normal, it may indicate the presence of both, pain and protective
mechanism to nociceptive stimulus.