Teeth aligners; Therapeutic mouthpieces for the prevention of snoring; Therapeutic nose clips, mouthpieces for the prevention of snoring; Elastic bands that are a component of therapeutic mouthpieces for the prevention of snoring; Neti pot; Nasal irrigation vessel; Dental instruments, namely, oral irrigators; Ultrasound appliances for dental and medical use; Braces for teeth; Ear plugs for noise reduction