Within my stay in Tehran, summer 2006, I had two lectures about the DENTAL HEIGYNE and DENTISTRY PRECEDURES, for the hearing impaired, some of them helped me and translate my lecture to the Iranian Sign Language.

 

some photos of the lecture:

 

talking about the fissure sealant

 

showing wrong brushing method

 

Main members of the Iranian National Center of The Deaf

 

He is the translator to the Persian Sign Language