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An Update on Demineralization/Remineralization
Clinical Application

Course Author(s): Robert V. Faller, BS

Clinical Application

The Inspektor Pro QLF Camera system has been approved by the FDA and is available for dental professionals and research and educational institutes in several countries. The device was designed to be used in any clinical environment. The basic version brings QLF images and analysis to the dental practice. The research version supports the use of QLF for fundamental research and clinical trials.

QLF-D is a recent addition to the available QLF systems and is making the measurement of early caries even simpler. QLF-D works using the same principles as other QLF systems. However, the QLF-D system utilizes images taken using a high resolution camera, rather than the QLF handpiece used in the earlier Inspektor Pro system.

Some examples of the use of the handpiece to acquire images of the various surfaces:

Orientations of the QLF handpiece when taking an image of various surfaces:
Photo showing the QLF hand-piece orientation for lower-left buccal images
Lower-left
buccal
Photo showing the QLF hand-piece orientation for lower-front buccal images
Lower-front
buccal
Photo showing the QLF hand-piece orientation for lower-right buccal images
Lower-right
buccal
Photo showing the QLF hand-piece orientation for lower-right occlusal images
Lower-right
occlusal

Some examples of QLF images:

QLF showing occlusal view of the upper left 2nd molar
Occlusal view of the upper left 2nd molar with enamel breakdown in the central fossa.
QLF showing sound fissures in the upper right 2nd bicuspid
Sound fissures in the upper right 2nd bicuspid.
QLF showing fissures of the upper right 2nd molar
Fissures of the upper right 2nd molar are covered by matured plaque obstructing a clear view.
QLF showing red fluorescence inside a white spot lesion developed during orthodontic treatment
Red fluorescence inside a white spot lesion developed during orthodontic treatment (the QLF image was made after professional cleaning)
QLF showing calculus at the proximal area
Calculus at the proximal area.
QLF showing matured plaque at the proximal area
Matured plaque at the proximal area.
QLF showing retention wires are a good retention site for plaque
Retention wires are a good retention site for plaque.
QLF showing Matured plaque along the gingival margin
Matured plaque along the gingival margin.
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