One of the most underestimated factors in implantology and holistic dentistry Mouth breathing is not just a simple habit. It is a profound physiological disorder that alters the biology of the mouth, maxillofacial development, the oral microbiota, and the long-term stability of implants. The consequences are major , often invisible, but scientifically proven. Chronic dry mouth (Xerostomia) Breathing through the mouth causes constant evaporation of saliva , an essential