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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Direct bonding with precoated brackets and self-etching primers.
    Author: Vicente A, Bravo LA.
    Journal: Am J Dent; 2006 Aug; 19(4):241-4. PubMed ID: 16939031.
    Abstract:
    PURPOSE: To evaluate the shear bond strength and the adhesive remnant on the tooth after the debonding of APC Plus precoated brackets, when conditioning the enamel with phosphoric acid and Transbond Plus Self Etching Primer (TSEP), in comparison with uncoated brackets bonded with Transbond XT. METHODS: The brackets were bonded to extracted premolars, which were divided into three groups: (1) Acid/Transbond XT, (2) Acid/ APC Plus and (3) TSEP/APC Plus. Shear bond strength was measured using a universal test machine. The crosshead speed was 1 mm/minute. The adhesive remnant on the tooth was quantified using an image analysis equipment. RESULTS: No significant differences were found in the bond strengths of the three groups evaluated (P> 0.05). The two groups in which APC Plus system was used left significantly less adhesive on the tooth than Transbond XT. TSEP/APC Plus left significantly less adhesive than Acid/APC Plus (P< 0.017).
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