 Tonsillectomy and uvulopalatopharyngoplasty (UPPP or UP3) are available to address pharyngeal obstruction.The "Pillar" device is a treatment for snoring and obstructive sleep apnea; it is thin, narrow strips of polyester.Three strips are inserted into the roof of the mouth (the soft palate) using a modified syringe and local anesthetic, in order to stiffen the soft palate.