Difficulty in closing lips (lip incompetence) means lips stay apart at rest, causing strain, potential drooling, and mouth breathing. Causes include structural factors like prominent teeth or short upper lip, and habits such as tongue thrusting, allergies, or enlarged adenoids. Treatments often involve orthodontics, braces or Aligners.Orthodontics: Braces to correct teeth alignment or jaw structure. Best Orthodontist in Santhosapuram, Best Braces specialist in Medavakkam, Best aligner therapy in Sembakkam, Best Orthodontist in Gowrivakkam, Best braces specialist in Madambakkam, Best Aligner dentist in vengaivasal