An intraoral device (1) includes upper cooperating elements (2) adapted to cooperate with the upper jaw (4) and lower cooperating elements (3) adapted to cooperate with the lower jaw (5) a bracket (19) fixed in the cooperating elements (2,3), the bracket (19) supports a target (18) aiming at inducing mandibular advancement and attracting the tip of the tongue the target (18) being centered, in a transverse plane, with regard to the cooperating elements (2,3). The device (1) further includes stimulating elements (17) for stimulation of the tongue muscles, preferably the genioglossus, involving reflex exploration of the stimulating elements (17) by the tongue. The device (1) may be used for relieving obstructive sleep apnea syndrome, snoring and/or other airway disorders.
