What type of plaque is most likely to contribute to periodontal disease?

The type of plaque most likely to contribute to periodontal disease is mineralized plaque. This plaque undergoes a process of calcification, forming deposits that harden over time, leading to the development of calculus (tartar). Once plaque becomes mineralized, it becomes more difficult to remove through regular brushing and flossing, allowing for the accumulation of bacteria that can cause inflammation and destruction of supporting structures around the teeth, such as the gums and bone.

Mineralized plaque is particularly problematic because the hardened nature of calculus provides a rough surface that can harbor bacteria more easily and is resistant to the antibacterial effects of saliva. This can exacerbate periodontal disease by creating an environment where harmful bacteria thrive, leading to increased inflammation and potential loss of attachment of the gums to the teeth.

Understanding the progression from non-mineralized to mineralized plaque helps in recognizing the importance of regular oral hygiene to prevent the formation of calculus and subsequently periodontal disease. Maintaining effective oral hygiene practices helps in the control and reduction of all types of plaque, thereby preventing the adverse outcomes associated with periodontal conditions.