Swollen lymph nodes under jaw 1.8x1 cm and neck, sweating, body ache, high wbc (11), dental ruled out, ent ruled out, gp ruled out, who should i see?

Salivary glands: See oral surgeon or oral medicine specialist for evaluation. Possible salivary glands infection, lymph nodes infection or jaw bone infection. Be well.

Find new Dentist: Find a new Dentist, one with training in Pathology, such as an Oral Surgeon, and start the diagnostic process again. You have a source of infection somewhere that must be located to be treated.