What is a common method for assessing the presence of plaque on teeth?

Visual inspection is a common method for assessing the presence of plaque on teeth because it allows clinicians to directly observe the tooth surfaces for any visible biofilm accumulation. This method is quick and non-invasive, enabling dental professionals to identify areas where plaque might be more robust, typically as a white, yellow, or light brown film on the teeth.

While visual inspection provides immediate feedback about plaque presence and guides further intervention, it is important to note that it may not detect all forms of plaque, especially those that are less visible or in areas that are difficult to access. Other methods like gingival probing or radiographic examinations serve different purposes, such as assessing periodontal health or understanding the subgingival environment, rather than directly evaluating plaque presence. Similarly, saliva tests are not standard practices for plaque assessment but can be used for different diagnostic purposes, such as measuring oral bacteria or assessing the risk of caries. Thus, visual inspection stands out as a straightforward and effective approach for assessing visible plaque accumulation on teeth.