Evidence-based grading of studies -- Dental implants in patients with autism spectrum disorders -- Dental implants in patients with cardiovascular disorders -- Dental implants in patients with Crohn's disease -- Dental implants in patients with eating disorders -- Dental implants in patients with epilepsy -- Dental implants in patients with hepatic disorders -- Dental implants in patients with diabetes mellitus -- Impact of oral cancer therapy on the survival of dental implants -- Oral cancer arising around dental implants -- Dental implants in patients with periodontitis -- Success and survival of dental implants during pregnancy -- Dental implants in patients with psychological/psychiatric disorders -- Dental implants in patients using recreational drugs -- Dental implants in patients with renal disorders -- Dental implants in patients with rheumatic diseases -- Dental implants in patients with scleroderma -- Dental implants in patients with Sjogren's syndrome -- Dental implants in patients who habitually use smokeless tobacco products -- Dental implants in patients who habitually smoke tobacco -- Dental implants in patients with genetic disorders -- Dental implants in patients with human immunodeficiency virus infection or acquired immune deficiency syndrome.