A comparison of three light curing units for bonding adhesive pre-coated brackets

Tze Ip, William Rock

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

OBJECTIVE: To compare the effectiveness of three curing lights of different types. DESIGN: Prospective randomized laboratory investigations. MATERIALS AND METHOD: Adhesive pre-coated orthodontic brackets were bonded to 9 groups of extracted premolars and the adhesive was cured using three different curing lights, each at three different times. Bond strength was tested using a shear/peel method. RESULTS: The plasma light had 3 times the light intensity of the standard quartz halogen light. The curing times recommended by the manufacturers were 2 seconds for the plasma light, 10 seconds for the high intensity quartz halogen light and 20 seconds for the standard one. Mean debond stresses with these cure times were 9.36, 11.77 and 12.00 MPa, respectively, p
Original languageEnglish
Pages (from-to)243-247
Number of pages5
JournalJournal of Orthodontics
Volume31
DOIs
Publication statusPublished - 1 Jan 2004

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