When you go to the Dentist there is typically a check up where each of your teeth is individually examined for any detrimental effects which may impact their short and longer term performance.
A tooth that is identified as having an issue (eg decay, excessive wear, stress, etc) is targeted with an immediate corrective action to ensure its longevity with your other teeth. For those really problem teeth, a planned removal is initiated to make sure there is no negative influence on those remaining.
In the workforce, the role of a manger is a bit like a Dentist, particularly at performance appraisal time. The manager also needs to conduct regular reviews with their staff to ensure that no potentials issues arise, if one is determined, it should be quickly addressed so as to not impact the employee’s individual and overall business success.
The key is “regular brushing” and the occasional use of “dental floss”!
Thoughts that might just be useful in the future 
Anon
/ June 24, 2013Lol – this made me laugh 🙂
Manager = Dentist = Occasional Pain + Occasional Stress
BigE
/ June 26, 2013Might be a good idea to put fluoride in the water at work too 🙂