Plaque is transmitted by: September 2005
**Core Concept**
Plaque transmission refers to the passing of plaque from one person to another, typically through oral contact. This concept is crucial in understanding the epidemiology of dental caries and periodontal diseases.
**Why the Correct Answer is Right**
The correct answer is related to the concept of plaque transmission through oral contact. Plaque is a biofilm of bacteria that forms on the teeth and can be transmitted from one person to another through direct contact with the same toothbrush, sharing food, or even kissing. This transmission can lead to the development of dental caries and periodontal diseases in the recipient.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because plaque transmission is not typically associated with airborne pathogens.
**Option B:** Incorrect because while dental plaque can be influenced by various factors, transmission through inanimate objects is not a primary mode of transmission.
**Option C:** Incorrect because while plaque can be transmitted through food and drinks, this is not the primary mode of transmission.
**Clinical Pearl / High-Yield Fact**
To prevent plaque transmission, it's essential to maintain good oral hygiene practices, such as using a clean toothbrush and avoiding sharing food and drinks. Additionally, regular dental check-ups can help identify and address any oral health issues early on.
**Correct Answer: D. Plaque transmission through oral contact.**