Effects of high-speed cutting on dentin permeability and bonding

J. Tagami, L. Tao, David Henry Pashley, H. Hosoda, H. Sano

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

The effects of high-speed cutting by use of a diamond bur with or without water coolant or sanding by 80-grit SiC paper on dentin permeability, before and after surface treatment, and dentin bonding of adhesive resins were compared. Three different bonding systems were used: Scotchbond DC, which requires no removal of smear layers, and two others, Clearfil Photobond and Superbond C&B, both of which remove smear layers (phosphoric acid gel or 10% citric acid containing 3% ferric chloride, respectively). Creation of smear layers by bur cutting or sanding reduced dentin permeability to levels that were only 1-3% of the maximum permeability values. Scotchbond DC gave low but consistent bond strengths (3.7-6.1 MPa) to dentin covered with smear layers. Clearfil Photobond also produced consistent bond strengths (8.6-9.4 MPa). The increase in the permeability of dentin after phosphoric acid treatment was higher when the SiC paper was used (146%) than when the high-speed bur was used (87-90%). The smear layer and smear plugs produced by the diamond bur were more resistant to 10-3 treatment than were the SiC-created smear layers. The bond strengths of Superbond showed the highest bond strengths to the conditioned dentin when the high-speed cutting was used with water coolant (16.3 MPa), compared with the other two groups (12.2-12.5 MPa).

Original languageEnglish (US)
Pages (from-to)234-239
Number of pages6
JournalDental Materials
Volume7
Issue number4
DOIs
StatePublished - Jan 1 1991

Fingerprint

Dentin Permeability
Smear Layer
Diamond
Phosphoric acid
Coolants
Diamonds
Dentin
Water
Citric acid
Citric Acid
Surface treatment
Adhesives
Gels
Resins
Permeability
phosphoric acid
Clearfil Photo Bond
Scotchbond

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)
  • Dentistry(all)

Cite this

Tagami, J., Tao, L., Pashley, D. H., Hosoda, H., & Sano, H. (1991). Effects of high-speed cutting on dentin permeability and bonding. Dental Materials, 7(4), 234-239. https://doi.org/10.1016/S0109-5641(05)80021-1

Effects of high-speed cutting on dentin permeability and bonding. / Tagami, J.; Tao, L.; Pashley, David Henry; Hosoda, H.; Sano, H.

In: Dental Materials, Vol. 7, No. 4, 01.01.1991, p. 234-239.

Research output: Contribution to journalArticle

Tagami, J, Tao, L, Pashley, DH, Hosoda, H & Sano, H 1991, 'Effects of high-speed cutting on dentin permeability and bonding', Dental Materials, vol. 7, no. 4, pp. 234-239. https://doi.org/10.1016/S0109-5641(05)80021-1
Tagami, J. ; Tao, L. ; Pashley, David Henry ; Hosoda, H. ; Sano, H. / Effects of high-speed cutting on dentin permeability and bonding. In: Dental Materials. 1991 ; Vol. 7, No. 4. pp. 234-239.
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