One woman's trash...

My mother-in-law is currently in Yangon, Burma (formerly known as Rangoon, Myanmar), travelling the world through UVa's Semester at Sea this spring.  She posted this picture of trash on the street:

Look a bit more closely, and you can see...

There are numerous sets of dental impressions.  Apparently she stumbled across the dental school's cast-offs.  (Get it, cast-offs?)

I hope she picked some up for me.  Curious as to the prevalence of shovel-shaped incisors in this population...