Abstract: A dental appliance is provided which includes a bite block made of formable material which includes a tongue stabilizer and a suction tube slidably and removably secured in the bite block for removing debris from the mouth cavity. The appliance may include a raised area for securing the appliance with the patient's teeth during performance of the dental procedures and a posterior vein located in the sidewall of the bite block with an aperture placed in the posterior vein for the suctioning of debris and saliva from the soft palate region of the mouth cavity behind the bite block. A slidably and removably secured rod for transmitting a fiber optic light source for illumination of at least a portion of the mouth cavity may also be included.