| 1994 |
Company Jan Krčma – KDT is seting up, is engage in repairs and reconstruction. |




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| 1997 |
Development of own turbine handpieces KADET is finished. There are the first handpieces with light made in Czech republic. Production of own hoses for dental instruments and three-way syringe is started. |
| 1998 |
Development of own linie of dental sets is started. |
| 1999 |
A new dental set BOHEMIA 501 is presented, the first chair-mounted set with top hoses made in Czech republic. |
| 2001 |
A set with separate tray for orthodontie and jaw surgery is presented. |
| 2002 |
A stationary set BOHEMIA 502 with own builded compressor is presented. |
| 2004 |
Transformation of law form to Chirastar KDT s.r.o.. |
| 2006 |
A new model of sets Chirastar 501 Mini, Ekonom, Lux is presented. |
| 2008 |
Development of a new concept of dental sets with rotary cuspidor and infusion set for jaw surgery is started. |