DiaDent Group International DiaDent is a leading manufacturer and exporter of dental materials, consumable supplies, dental instruments and small equipment. DiaDent has been a leader in the dental industry since 1985. Currently, DiaDent is a leading manufacturer and exporter of dental materials, consumable supplies, dental instruments and small equipment. DiaDent has been a leader in the dental industry since 1985. Currently, we supply through a network of over 900 dental dealers in over 125 countries.