{"type":"rich","version":"1.0","title":"Chapter 22- Periodontal Maintenance Therapy","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/W3TvDhRdt0hqI5_z/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5b74ef0e145db7486a239ff3\" frameborder=\"0\" allowfullscreen></iframe>"}