Mouthpiece of diving regulator of aqualung and/or snorkel supporting the complete dental arch

Mouthpiece of diving regulator of aqualung and/ or snorkel comprising a tubular connection portion (2) wherein said tubular connection portion has a through hole (3) internally engaged at a distal portion (4) with a complementary tubular portion of said aqualung and/ or snorkel to allow the air passage; and a bite (5) connected to said tubular connection portion at the lower edge (6) of the proximal end (7) extending complete arch acting as a support for a dental arch.