 Maintenance Schedule Patients were enrolled in a stringent post-operative supportive care programme following surgery Santana et al 2009. All patients were seen weekly during the first three months and bi-weekly for the next three months. Thereafter, the patients were seen once monthly for the last six-month period of the study. After 1 year, the patients were recalled and re-instructed on proper oral hygiene. Sites were rescaled when indicated. 