1. Chronic periodontitis; purulent inflammation of the teeth sockets
   - pyorrhea, pyorrhoea, Riggs' disease, Riggs's disease

Type of: periodontal disease, periodontitis

• Siswati
• Sisymbrium barbarea
• Sisymbrium officinale
• Sisymbrium tanacetifolia
• Sisyphean
• Sisyphus
• Sisyridae
• Sisyrinchium
• sit
• sit around
• sit back
• sit by
• sit out
• sit pretty
• sit tight
• sit-down
• sit-down strike
• sit-in
• sit-up
• Sita
• sitar
• sitar player
• sitarist
• sitcom
• site