0| ORGANISMS | DISEASE |
| Streptococcus viridian group Alpha hemolytic a). Streptococcus sanguis | • predominantly organisms of plaque in healthy mouth • subacute bacterial endocarditis • another group cause caries after S. Mutans |
| b) S. Salivarious | • Form longest chain • First organism to invade cavity |
| c) S. Mutans | Smooth surface caries Synthetise glucan by its action on dietary carbohydrate |
| Streptococcus pyogens (beta haemolytic) | pharyngitis, cellulitis, scarlet fever, quinsy, Ludwig's angina Rheumatic fever Dental infections most common organism |
| Streptococcus agalactiae | Neonatal meningitis Septicemia |
| Pneumococci or streptococcus pneumonae | Bacterial pneumonae Meningitis, septicemia |
| Staphylococci | Skin infections Furuncle, style, impetigo, carbuncle Burns and wounds Osteomyletis and silaadenitis Toxic shock syndrome |
| Staphylococcus aureus /pyrogens
| cystic fibrosis Toxic shock syndrome ACUTE endocarditis Food poisoning Sialadenitis
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