Download DIAGNOdent 2012 PD

Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
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Unit uses infrared laser fluorescence
First seen in 1998 in Europe
FDA approval in 2000
ADA Seal of Acceptance 2005
Developed to detect and quantify
hypomineralization dental caries of occlusal
and smooth surfaces
Uses a diode laser light source with a
wavelength of 655 nm and I mW peak power
Fiber optic cable transmits the light to a hand
held probe with a fiber optic eye in tip
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
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Measures laser fluorescence within tooth
surface
Clean, healthy tooth structure exhibits little
or no fluorescence
This results in low readings
Carious tooth structure will exhibit
fluorescence, proportionate to the degree of
caries
This results in high readings
Tone louder with higher readings
Does not show the extent and severity of
lesions for later comparison
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
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Sensitivity
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Specificity
◦ How good the test is at correctly identifying disease
◦ Procedure with 100% or 1.00 sensitivity will identify
every diseased person while a low sensitivity
indicates missed diagnoses
◦ High sensitivity tests have very few false-negatives
◦ Highly sensitive tests are typically used as
screening or ruling out of disease
◦ How good the test is a correctly identifying no
disease
◦ Procedure that yields a negative result for healthy
individuals has a specificity of 100% or 1.00
◦ Highly specific tests produce few false-positives
Pretty & Maupomé, 2004
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
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Study
Proximal
Surfaces
(in vitro)
Occlusal
Surfaces
(in vivo)
Occlusal
Surfaces
(in vitro)
Sensitivity
Specificity
Shi & others
.75
.84
Anttonen &
others
.92
.69
Costa &
others
.79
.94
Bader & Shugars, 2004
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
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Hand held unit
Introduced in late 2005
Research confirms that
pen is equivalent to
classic unit
Kühnisch, Bücher, Henschel,& Hickel, 2007
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
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www.kavousa.com
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
www.kavousa.com
*** Regardless of course of action taken to treat a specific
lesion, preventive therapy May be indicated based on caries
risk.
Darlene Armstrong, Ed.D.(c), M.A., RDHAP Aug 17, 2012- LLU - AS
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Clinical Tutorial
http://www.kavousa.com/Default.a
spx?navid=552872&oid=009&lid=
Us
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
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This device designed for virgin tooth
surfaces, primarily occlusal surfaces
Sealant and composite material will test
positive
Always test the DIAGNOdent on a surface
before placing in occlusal grooves to
ensure calibration (i.e.#8 facial)
Clean surface a must-no plaque, debri or
stain as it could lead to false positives
No extra course green prophy paste as it
could lead to false positives
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
10
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Bader, J.D., & Shugars, D.A. (2004). A systematic review
of the performance of a laser fluorescence device for
detecting caries. Journal of the American Dental
Association, 135(10), 1413-1426.
Chan, D.C. (1993). Current methods and criteria for
caries diagnosis in North America. Journal of Dental
Education, 57(6), 422-427.
Diagnosis and Management of Dental Caries Throughout
Life.(2001 March 26-28). NIH Consensus Statement,
18(1), 1-24.
Ismail, A.I. (2004). Visual and visuo-tactile detection of
dental caries. Journal of Dental Research, 83, 56-66.
Kühnisch, J., Bücher, K., Henschel, V., & Hickel, R. (2007).
Reproducibility of DIAGNOdent 2095 and DIAGNOdent
pen measurements: Results from an in vitro study on
occlusal sites. European Journal of Oral Sciences, 115(3),
206-211.
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
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Loesche, W.J., Svanberg, M.L., Pape, H.R. (1979). Intraoral
transmission of Streptococcus mutans by a dental
explorer. Journal of Dental
Research, 58, 765-770.
Nyvad, B. (2004). Diagnosis vs. detection of dental
caries. Caries Research, 38,192-198.
Pretty, I.A., & Maupomé G. (2004 April). A
closer look
at diagnosis in clinical dental practice: part 1. Reliability,
validity, specificity and sensitivity of diagnostic
procedures. Journal of the Canadian Dental
Association, 70(4), 251-255.
Yassin, O.M. In vitro studies of the effect of a dental
explorer on the formation of an artificial carious lesion.
ASDC Journal of
Dentistry for Children, 62(2), 111117.
Darlene Armstrong, Ed.D.(c), M.A., RDHAP
Aug 17, 2012- LLU - AS
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