Place the XLR8 over the effected tooth/teeth and therapy localize an organ(s), nerve root(s) and/or area of the brain that negates the weakness. Laser each area.
Floss and rinse with liquid silver sol.
If not a muscle tester look at an organ / tooth association chart online.
The mouth is the gateway to the entire body. Any condition associated with the teeth can lead to systemic problems.