About DIFOTI
DIFOTI® (Digital Imaging Fiber-Optic Trans-Illumination), uses safe white light and takes advantage of recent advances in computer technology to bring dentistry into the twenty-first century.
DIFOTI® is the only dental diagnostic imaging instrument of its kind to be approved by the FDA for the detection of incipient, frank and recurrent caries. It safely and instantly creates high-resolution digital images of occlusal, interproximal and smooth surfaces. It enables dentists to discover or confirm the presence of decay that cannot be seen radiographically, visually or through use of an explorer.
The proximal surface disposable mouthpiece is placed over the tooth in question allowing light to be shined from one surface, through the tooth, and captured on the opposite side using a CCD camera in the DIFOTI handpiece.
The occlusal surface mouthpiece illuminates the tooth at angles through both the facial and lingual surfaces and images the light emerging from the top of the tooth.
A high resolution image appears instantly, in real time, much like a video camera, on the computer monitor. A hygienist can place DIFOTI on one tooth and image in 3 seconds or take a full mouth set off images in a matter of minutes.
Clinical Results
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Clinical study results demonstrate that DIFOTI images of teeth have higher diagnostic value than images obtained with conventional X-ray film*. The percentage of correctly diagnosed tooth caries (sensitivity) is higher with DIFOTI than with radiographic film. DIFOTI's performance is higher by factors of two, four and ten times for proximal, occlusal, or smooth surfaces, respectively. The percentage of correctly detected sound surfaces (specificity) is approximately the same.
The dentists involved in the study had only a few hours of training in reading DIFOTI images, as compared to professional lifetime training in reading radiographic images.
* Schneiderman A, Elbaum M, et al, "Assessment of Dental Caries with Digital Imaging Fiber-Optic TransIllumination (DIFOTI): In vitro Study", Caries Research 1997;31:103-110 |
The DIFOTI Difference
 How does DIFOTI detect early tooth decay? Typically, tooth decay scatters and absorbs more light than surrounding healthy tissue. Decay near the imaged surface appears as a darker area against the more translucent brighter back-ground of surrounding healthy anatomy. DIFOTI produces high-contrast images of decay on all tooth surfaces. It takes less than four hours to learn how to read DIFOTI images.
What differentiates DIFOTI from radiography? DIFOTI images can indicate the presence of early decay before either film or digital radiography. (Ref: A. Schneiderman, M. Elbaum et al; Caries Research 1997; 31:103-110) |
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DIFOTI
