1987 - RVG, the world wide first intraoral X-rays imaging sensor available on the market, introduced by Trophy Radiology (France) was very quickly and largely recognized by the European dental market. This company is owned actually by Kodak and continues to produce intraoral sensors.
1992 - Sens-a-Ray of Regam (Finland) is offered. They closed the business and their technology is currently owned by Dent-X (USA).
1993 - VisualX of Gendex-Italy (subsidiary of USA company).
1994 - CDR of Schick Technology (USA). Also Schick Technology introduced last years a wireless CDR version being the only supplier offering such feature. This company is owned actually by Sirona (Germany).
1995 - SIDEXIS of Sirona, DEXIS of ProVison Dental Systems, Inc. (renamed DEXIS, LLC following its acquisition by Danaher Corp.), DIGORA (PSP solution) of Soredex (Finland)
Today there are many other products available under a lot of different names (rebranding is quite usual for this type of product)
The manufacturers claim the resolution is between 12 to 25 LP/mm. A useful precise comparison is difficult because depends on many parameters including the post processing or imaging software.
