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Assessment of second-order clearances between orthodontic archwires and bracket slots via the critical contact angle for binding
Archwires Brackets Clearances Contact angles Sliding mechanics
2009/1/4
Twenty-six archwires and 24 brackets were selected from among the hundreds of products available that nominally have from 18 to 22 mil bracket slots and 14, 16, 17, 18, 19, and/or 21 mil archwire size...
The deathbed apart, there are few scenes more profoundly disturbing in nineteenth-century fiction than the household clearance, or the process of 'selling up': the identification of domestic material ...