A 48 year old man is treated with OAT for his moderate OSA. On repeat sleep testing, his apnea-hypopnea index (AHI) has decreased to 3 events per hour, and he reports resolution of snoring and daytime sleepiness. What is the most reasonable dental-medical sleep medicine follow up regimen for this patient?
1) As needed
2) Every 6 months for the first year, then annually
3) Monthly for the first 6 months, then every 6 months
4) Every other year