CONTROL OF PERIODONTAL DISEASE
Over time, the researchers changed their ideas, the main risk factors of periodontal disease
. This Chapter presents a brief historical overview of how the understanding of the risk factors of the disease
has evolved over the years (table. 5-2). Awareness of the latest theories is useful to understand the reasons why recommendations for the prevention and treatment of periodontal diseases
changed so much over the years. 60-year-old patient who received regular tooth maintenance over the years will first visit to the dental office in 1950-ies (provided that his first visit to the dentist was 10 years).