An in vitro investigation on friction generated by ceramic brackets.

Simona Tecco, Stefano Teté, Mario Festa, Felice Festa

Research output: Contribution to journalArticlepeer-review


To compare friction (F) of conventional and ceramic brackets (0.022-inch slot) using a model that tests the sliding of the archwire through 10 aligned brackets. Polycrystalline alumina brackets (PCAs), PCA brackets with a stainless steel slot (PCA-M), and monocrystalline sapphire brackets (MCS) were tested under elastic ligatures using various archwires in dry and wet (saliva) states. Conventional stainless steel brackets were used as controls. In both dry and wet states, PCA and MCS brackets expressed a statistically significant higher F value with respect to stainless steel and PCA-M brackets when combined with the rectangular archwires (P

Original languageEnglish
JournalWorld journal of orthodontics
Issue number4
Publication statusPublished - Dec 2010

ASJC Scopus subject areas

  • Medicine(all)


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