Steroid Delivery to the Frontal Sinus Opening With a Bioabsorbable Implant vs. a Bioabsorbable Nasal Dressing

Inclusion Criteria: * Adults aged 18 and older * Diagnosis of chronic rhinosinusitis with nasal polyps based on the American Academy of Otolaryngology-Head and Neck Surgery guidelines * Patient scheduled for bilateral endoscopic sinus surgery with evidence of bilateral frontal sinus disease based on Computed Tomography (Lund-Mackay score greater than or equal to 1) * At the time of surgery bilateral frontal sinusotomy of type Draf 2a or 2b was performed using the same technique on both sides * Bilateral endoscopic sinus surgery performed successfully without complication * Frontal sinus opening diameter greater than 4.0 mm achieved (4 mm olive tipped suction easily passed into frontal sinus) Exclusion Criteria: * Any patient who had frontal sinus surgery for tumor * Allergy to mometesone and/or triamcinolone * Frontal sinusotomy type Draf 1 or Draf 3 performed * One or both frontal sinus openings not amenable to implant placement * Patients with chronic oral steroid dependent conditions * Invasive fungal sinusitis * Immune deficiency