Amal Abushal et al. 2020. Dental Implants: Prevalence, Association with Periodontal Diseases and Awareness of Oral Hygiene among Dental Implant Patients in Saudi Arabia: A Cross-Sectional Study. International Journal of Innovative Research in Medical Science. 5, 12 (Dec. 2020), 615–619. DOI:https://doi.org/10.23958/ijirms/vol05-i12/1015.