The four circles Micro- diagrammatical organisms represent the factors inⅴ olved nQ carie care in the carious host Sub process. all four tooth strate factors must act nQ no concurrently caries carie (overlapping of the circles)for time caries to occurThe four circles diagrammatically represent the factors involved in the carious process.all four factors must act concurrently (overlapping of the circles)for caries to occur Micro￾organisms host & tooth Sub￾caries strate time no caries no caries no caries no caries