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Dental Journal (Majalah Kedokteran Gigi)

ISSN 1978-3728

Vol. 39 / No. 2 / Published : 2006-04

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Original Article :

Tensile bond strength of hydroxyethyl methacrylate (hema) bonding agent to bovine dentine surface at various humidity

Author :

  1. Adioro Soetojo*1
  1. Department of Conservative Dentistry, Faculty of Dentistry Airlangga University Surabaya - Indonesia

Abstract :

One factor that make bonding agent adhere to dentine surface maximally is the humidity condition around the dentine surface. The best bond strength between bonding agent with dentine surface is depending on the moist surface. It mean that the dentine surface should neither too dry or wet. The objective of this research is to know the tensile bond strength of hydroxyethyl methacrylate (HEMA) bonding agent to bovine dentine surface at various humidity. The bovine dentine was grounded to give flat surface, which was then etched with 37% phosphoric acid for 15 seconds. Dentine was washed with 20 ml water and dried with blot dry technique. The dentine, except the control group, was placed in a desiccator for one hour at difference humidity. Dentin was removed from desiccator, then covered with bonding agent and put into tensile tool plunger. Self-cured acrylic resin was applied on this bonding agent layer, which was placed on opposite-plunger. After 24 hours, tensile bond strength was measured with Autograph instrument. Data was statistically analyzed with One-Way ANOVA at 95% confidence level, continued with LSD test. Results of this study showed that 60%–90% humidity gave produce the lower of tensile bond strength of bonding agent to dentine surface (p ≤ 0.05). In conclusion, the treatment in 60% humidity gave the greatest tensile bond strength.

Keyword :

humidity, dentine bonding agent, bovine dentine, tensile bond strength ,


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Archive Article

Cover Media Content

Volume : 39 / No. : 2 / Pub. : 2006-06
  1. The density of collagen fiber in alveolus mandibular bone of rabbit after augmentation with powder demineralized bone matrix post incisivus extraction
  2. Placement of replace select ti-unite-coated type implants using a combination of immediate and submerge techniques after tooth extraction
  3. Nursing habits and early childhood caries in children attending hospital university science malaysia (husm)
  4. Tensile bond strength of hydroxyethyl methacrylate (hema) bonding agent to bovine dentine surface at various humidity
  5. Sensitization of the sphenopalatine ganglion (spg) by periodontal inflammation: a possible etiology of sinusitis and headache in children
  6. Oral and dental aspects of child abuse
  7. The business of dental practice
  8. The change of temperature on the shear strength of permanent soft-liner on acrylic resin
  9. Candidosis on oral lichen planus
  10. Surface hardness of hybrid ionomer cement after immersion in antiseptic solution