| A | B |
|---|
| Bacteremia | presence of bacteria in the blood |
| Endotoxin | lippopolysaccharide complex found in the cell wall of many gram negative microorganisms; contained specifically within periodontally involved cementum. |
| Furcation | anatomic area between the roots of a multirooted tooth |
| Furcation invasion | pathologic resorption of bone within a furcation |
| Instrumentation zone | area on tooth where instrumentation is confined; area where calculus and altered cementum are located and treatment is required |
| Nonsurgical periodontal therapy | dental biofilm removal and control , supra gingival and subgingival scaling and root planing, combined with chemotherapy to arrest the disease process. |
| Root planing | a definitive treatment procedure designed to remove altered cementum or surface dentin that is rough, impregnated with calculus, or contamined with endotoxins or microorganisms |
| Scaling | instrumentation of teh crown ir root surfaces to remove dental biofilm and calculus |
