Final answer:
Streptococcus mutans is the microorganism of concern as it can survive for weeks in dental settings.
Step-by-step explanation:
The microorganism that is a concern to the dental profession since it can survive for weeks is Streptococcus mutans.
Streptococcus mutans is a major cause of cavities and it can thrive in the mouth, causing damage to the teeth. This bacteria can survive on environmental surfaces for extended periods of time, making it a concern for dental professionals.
Given its ability to survive for weeks, dental professionals need to take appropriate measures to prevent the transmission and spread of Streptococcus mutans in dental settings.