dentist dealing with pain in lower back

30s apron arms back body break busy care caucasian chair clinic control dental dentist dentistry doctor energy environment equipment ergonomic exercise exhausted fatigue fitness flexion hand health healthy help hygiene legs lifestyle long male man mask medical medicine mobile muscle occupation office oral overwork pain pause performance position posture practice practitioner prepare prevention productivity professional profile regeneration rest resting retreat saddle self shape short sit sitting slope specialist stomatologist stomatology straighten stretching successful surgeon symptoms teeth time treatment uniform waiting