Pyongyang Medical College of Kim Il Sung University invented a new dental correction device.
The existing devices are complicated in operation and take a long time in treatment.
Pae Jae Son, a 47-year old researcher of the university, told KCNA that the new invention is a very small screw which is implanted on tooth root.
It is considered a better device for dental correction.
The titanium-made screw is low in production cost and simple in operation.
It also takes a short time in treatment.
The new invention has already been introduced in Pyongyang City Dental Preventive Hospital and other dental hospitals in the country.
Monday, August 22, 2011
(North) Korean News: "New Invention for Dental Correction Made in Korea"
"A very small screw which is implanted on tooth root"? I think I'll stick to my imperialist dentist, thank you.
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