Question 1

What is an RVG sensor?

Accepted Answer

An RVG (RadioVisioGraphy) sensor is a digital intraoral X-ray sensor that replaces dental film. It captures periapical and bitewing images with an intraoral X-ray unit and shows them on a computer within seconds.

Question 2

What is the difference between RVG and IOPA?

Accepted Answer

IOPA (intraoral periapical) is a type of X-ray view showing the whole tooth and surrounding bone. RVG is a way of capturing it: an RVG sensor takes the IOPA image digitally instead of on film, usually at a lower exposure and with an instant result.

Question 3

Which RVG sensor size is best?

Accepted Answer

Size 1.5 is a popular all-round size for adults and adolescents. Size 2 covers more area for adult posterior periapicals and bitewings, while sizes 0 and 1 suit children and smaller mouths.

Question 4

Which RVG sensor is best in India?

Accepted Answer

The best RVG sensor depends on your budget and case mix. Entry-level CMOS sensors suit new practices, while mid-range and premium sensors offer better software, durability and image processing for busy, endodontic and implant practices.

Question 5

What is the price of an RVG sensor in India?

Accepted Answer

Entry-level RVG sensors cost about ₹50,000 to ₹65,000, mid-range sensors about ₹85,000 to ₹1,40,000, and premium systems ₹1,70,000 or more. Check the listing above for current prices.

Question 6

Is a wireless RVG sensor better than a wired one?

Accepted Answer

Wireless sensors are easier to position and avoid cable damage, but they cost more and need charging or batteries. Wired USB sensors need no charging and are the most common choice. Image quality depends mainly on the detector.

Question 7

Can an RVG sensor be used with any dental X-ray machine?

Accepted Answer

RVG sensors work with standard intraoral X-ray units, though exposure settings must be adjusted for digital imaging. DC X-ray units give more consistent low-dose exposures.

Question 8

How do you clean an RVG sensor?

Accepted Answer

Use a new disposable sleeve for each patient and wipe the sensor and cable with a manufacturer-approved disinfectant between patients. Do not autoclave or immerse the sensor unless the manufacturer allows it.

Question 9

Should I buy a second-hand RVG sensor?

Accepted Answer

A second-hand sensor costs less, but it may have a worn cable, reduced image quality and no manufacturer warranty or software licence. If you consider one, check the image quality, cable condition, software licence and remaining warranty.

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Dental Rvg Sensors

Frequently Asked Questions

Dental RVG Sensors for Digital Intraoral X-Rays

How an RVG Sensor Works