olishing include scanning photomicrographs to illustrate cha

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olishing include scanning photomicrographs to illustrate changes

Numerous investigations have examined the effects of air polishing and most of the outcomes have been fairly uniform. However, enough contradictory results exist to make evidence-based decisions difficult for some. The standards of correct usage of air polishing that have already been supported by evidence should be the foundation of the evaluation of any new research on air polishing. The key area of focus when reviewing dentist instruments research should be on the methods and materials. See Table 5 for important questions to ask when reviewing new research on air polishing.

One variable that has not received enough attention in air polishing research protocols is the time of exposure. Since 1984, it has been established that a tooth surface receives a 0.5 second exposure to the dental handpiece ratio during a maintenance appointment.29 Some additional points to keep in mind when evaluating research outcomes include: visual changes in restorative materials detected with the eye do not necessarily equate to alteration in the integrity of the material, and statistical significance does not necessarily equate to clinical significance.

Many research articles on air polishing include scanning photomicrographs to illustrate changes or lack of changes in surface characterization. These photomicrographs provide interesting information dentist handpiece, but they are limited in the efficacy of their interpretation. Following are some key points for interpreting these photomicrographs:

Photomicrographs of particle shape provide no evidence of hardness. It is the hardness of the particle that is the most relevant information because it determines efficacy and safety for tissues and materials nsk dental. The shape of the particle is irrelevant to abrasiveness as long as the air polishing agent is softer than the surface being polished.

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