Sage Journals: Discover world-class research

Abstract

Compared with conventional adhesive systems, adhesive precoated (APC) brackets are reported to have advantages in clinical use. The ex vivo bond strength to human premolar teeth of metallic and ceramic APC brackets was compared wi1h that of identical brackets bonded with Transbond® (3M Unitek) light cured orthodontic adhesive, and patterns of failure were examined. There was no significant difference (P>0·05) in mean bond strength between metallic brackets bonded with the two systems. Ceramic brackets bonded with Transbond® had significantly higher (P<0·05) mean bond strength and failure more normally occurred at the composite/enamel interface when compared with APC ceramic brackets and metallic brackets. Following debonding no enamel damage was observed with either APC or conventionally bonded ceramic brackets.

Get full access to this article

View all access options for this article.

References

Ash

(1993) The clinical use of pre-coated brackets, Paper presented to British Orthodontic Conference, Glasgow.

Buonocore

M. G.

(1975) The Uses of Adhesives in Dentistry, Thomas, Springfield, Illinois.

Cook

P. A.

and Youngson

C. C.

(1989) A fluoride-containing composite resin-an in vitro study of a new material for orthodontic bonding, British Journal of Orthodontics, 16, 207–212.

Cooper

R. B.

, Goss

and Hamula

(1992) Direct bonding with light-cured adhesive precoated brackets, Journal of Clinical Orthodontics, 26, 477–479.

Eliades

, Viazis

A. D.

and Lekka

(1993) Failure model analysis of ceramic brackts bonded to enamel, American Journal of Orthodontics & Dentofacial Orthopaedics, 104, 21–26.

Forsberg

C. M.

and Hagberg

(1992) Shear bond strength of ceramic brackets with chemical or mechanical retention, British Journal of Orthodontics, 19, 183–189.

Fox

N. A.

and McCabe

J. F.

(1992) An easily removable ceramic bracket? British Journal of Orthodontics, 19, 305–309.

Fox

N. A.

, McCabe

J. F.

and Gordon

P. H.

(1991) Bond strengths of orthodontic bonding materials: an in vitro study, British Journal of Orthodontics, 18, 125–130.

McCabe

J. F.

and Carrick

T. E.

(1986) A statistical approach to the mechanical testing of dental materials, Dental Materials, 2, 139–142.

10.

Newman

G. V.

(1992) First direct bonding in orthodontia, American Journal of Orthodontics and Dentofacial Orthopaedics, 101, 190–191.

11.

Redd

T. B.

and Shivapuja

P. K.

(1991) Debonding ceramic brackets: effects on enamel, Journal of Clinical Orthodontics, 25, 475–481.

12.

Winchester

L. J.

(1992) A comparison between the old Transcend and the new Transcend series 2000 bracket, British Journal of Orthodontics, 19, 109–116.

Ex vivo Bond Strength of Adhesive Precoated Metallic and Ceramic Brackets *

Abstract

Get full access to this article

References