Enamel surface after debracketing of orthodontic brackets bonded with flowable orthodontic composite. A comparison with a traditional orthodontic composite resin.

S. Tecco, S. Tetè, M. D'Attilio, F. Festa

Research output: Contribution to journalArticle

Abstract

AIM: Flowable composites showed acceptable shear bond strength for bonding orthodontic brackets, but it still lacks evidence if the routine clean-up of this type of composites from enamel surface after debracketing is susceptible of more difficult procedure, due to their fluidity, and, consequently, more enamel lesions, compared with traditional orthodontic composites. Thus, this in vitro study investigated this point. METHODS: Stainless steel brackets were bonded to 60 extracted human premolars using: 1) a new flowable composite (Denfil Flow) (group I; N=20); 2) a traditional flowable composite (Dyract Flow) (group II; N:20); 3) Transbond XT adhesive (group III; N=20). Twenty untreated teeth were the control group. After a routine debonding procedure, the adhesive remnant index (ARI) was calculated in each tooth. After the following clean-up procedure, enamel cracks (measurements about their frequency, their position in the tooth crown and their direction) were evaluated using fiber-optic transillumination. Finally, enamel surfaces were analyzed with scanning electron microscope to quantify enamel lesions RESULTS: A significantly higher frequency of enamel cracks, (from 65% to 80%), mostly in the cervical third of tooth crown (from 65% to 80%) and vertical (from 75% to 80%), were observed in the three study groups, compared with the control group (P

Original languageEnglish
Pages (from-to)81-94
Number of pages14
JournalMinerva Stomatologica
Volume57
Issue number3
Publication statusPublished - Mar 2008

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Orthodontic Brackets
Composite Resins
Dental Enamel
Orthodontics
Tooth Crown
Adhesives
Tooth
Transillumination
Shear Strength
Control Groups
Stainless Steel
Bicuspid
flowable hybrid composite
Electrons

ASJC Scopus subject areas

  • Medicine(all)

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Enamel surface after debracketing of orthodontic brackets bonded with flowable orthodontic composite. A comparison with a traditional orthodontic composite resin. / Tecco, S.; Tetè, S.; D'Attilio, M.; Festa, F.

In: Minerva Stomatologica, Vol. 57, No. 3, 03.2008, p. 81-94.

Research output: Contribution to journalArticle

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