Assertion: glycine's effect | /r/CreatedBy | different polishing powders
Facets:
value: on the most commonly used materials
type: LOCATION
Source sentences:
text: Since air polishing method is becoming more popular, it is relevant to clarify the effect produced by different polishing powders on the most commonly used materials that may be exposed to this procedure, such as composite resins and ceramics, and also clarify if the effect they produce is the same for all kinds of restorative materials.