Many bacteria are named according to the shape of their cells. What is the name of a rod-shaped microorganism associated with carious cavities in teeth?

Lactobacilli are indeed rod-shaped bacteria that play a significant role in dental caries, commonly known as cavities. These bacteria are part of the normal flora of the oral cavity, and their ability to ferment carbohydrates leads to the production of lactic acid. This acidity can contribute to the demineralization of tooth enamel when present in high concentrations, thus fostering an environment conducive to the development of carious lesions.

In the context of dental health, Lactobacilli are often identified in association with established caries, indicating their role in the progression of decay once it has begun. Understanding their morphology and behavior is crucial for dental professionals as they evaluate and treat patients with carious cavities. This highlights the importance of monitoring levels of Lactobacilli, along with other bacteria, in caries management and prevention strategies.