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What are your thoughts on the DIAGNOdent ?



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6 Answers

I am actually not a big fan of it. I think an explorer and xrays work just find detecting caries. Granted, an incipient lesion that will not yet produce a “stick” with the explorer or show up on an xray could be found as a watch area with the DIAGNOdent but with digital xrays and a sharp eye (and explorer) most carious lesions and watches can be found the old fashion way. When I have used it in offices in the past the doctor usually ends up ignoring the numbers I write down anyway. I worked for one office that when I got a high reading with the DIAGNOdent I took a picture of the occlusal surface with the Spectra camera to see what readings I got with that. Alot of the time one tool would say there was a cavity but the other didn’t and vice versa so the doctor just relied on his own exam anyway. But I’m sure there are alot of hygienists who love it. Personal preference.

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We use the diagnodent in our office and I am on the fence with it. I have seen it not register obvious decay..then on the other hand it registers high on an area and when a conservative filling is done it actually was a little more then expected. I am definitely on the fence with it. We have been using them at least 10 years. I am interested in what hygienists that love them say.

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I was actually just about to ask this question as we use one in our office.

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We use it in our office and love it! KAVO suggests that a reading above 15 necessitates a restoration, but our doctor is a little more conservative and waits until it reaches a 20. Even still, if the unit is not calibrated before each use, it will give false readings.

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I used the diagnodent about 10 years ago. Was not impressed. The tips would always fall off in the patient mouth. I never truly trusted the numbers. One patient had stains noted on occlusal of all 2nd molars and no evidence of decay radiographically. The diagnodent number was very high. We had been watching the stains since before I started working at that office and once the diagnodent “said” there was decay the patient was scheduled back for composites. Just wasn’t a believer. Hopefully it’s much more advanced now.

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I am not a fan of it. Our doctor swears by it and we are to use it on every patient when screening for sealants, although most of the time she ignores the numbers anyway. I don’t trust the numbers as I have seen it fail to detect caries and go off the charts in areas that are not decayed. The diagnodent we use has trouble calibrating and the whole process is just frustrating to me. Waste of time when you have new radiographs and an explorer. Just my opinion though….

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