Cristhyanv Member for 4 years 6 months Age: 14+ Level: intermediate Language: English (en) ID: 49174 12/03/2019 Country code: MX Country: Mexico School subject: Dentistry (1060372) Main content: Gum disease (1859288) Know about gum disease Other contents: periodontitis gingivitis Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF