🚀 go-pugleaf

I have been to dentists' ofices in several states in the
United States, and they all seem to have that
same unusual smell.  I'd be curious to learn about
the following:

1.  What causes that smell?

2.  Does continually smelling that odor lead to
any health complications?

3.  After years of exposure to that odor, can
dentists and others _still_ detect that odor?

4.  Has anyone taken any steps to eliminate that
odor?  

Many people I've talked with believe that their
blood pressure and heart rate both increase
dramatically when they step into a dentist's office ,
principally due to the odor triggering some sort 
of psycho-physiological response.   I have heard
of dentists who choose office decorations, paint schemes,
etc. to reduce their patients' levels of anxiety, and I
was curious to know about measures taken to remove
the smell.