Patients in intensive care unit;

Hemodynamic instability, signs and symptoms of uremic syndrome related to the cardiovascular and neurological systems;

Presence of acute systemic infectious processes;

Presence of acute cardiovascular disease, systolic blood pressure \> 141 mmHg and / or diastolic blood pressure \> 91 mmHg;

Significant anemia (Hb \<11 g / dl and Hto \<33%);

Photosensitivity;

Pregnancy.

Effects of Photobiomodulation in Salivary Analysis of Chronic Renal Failure Patients