Morphological and animal study of titanium dental implant surface induced by blasting and high intensity pulsed Nd-glass laser

A. Karacs, A. Joob Fancsaly, T. Divinyi, G. Pető, G. Kovách

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Machined dental implants of titanium were blasted with A12O3 powder of 250 Am particle size. The surface was irradiated in vacuum with a Nd-glass pulsed laser at 1-3 J pulse energies. The morphology of these surfaces was investigated by optical and scanning electron microscopy. The low intensity laser treatment resulted in some new irregularities but we can observe the blasted elements and caves from the original blasted surface too. The blasted elements were washed out and a new surface morphology was induced by the high intensity laser treatment. The osseointegration was determined by measuring the removal torque in the rabbit experiments. The results were referred to the as machined surface. The blasting slightly increased the removal torque. The laser irradiation increased the removal torque significantly, more by a factor of 1.5 compared to the reference at high laser intensity. This shows the influence of the surface morphology on the osseointegration. The combination of the blasting with the laser irradiation is considered a method to determine the morphology optimal for the osseointegration because the pulsed laser irradiation caused modifications of the micrometer sized surface elements and decreases possible surface contamination.

Original languageEnglish
Pages (from-to)431-435
Number of pages5
JournalMaterials Science and Engineering C
Volume23
Issue number3
DOIs
Publication statusPublished - Mar 3 2003

Fingerprint

Glass lasers
Dental prostheses
glass lasers
Blasting
Titanium
Pulsed lasers
animals
pulsed lasers
Animals
titanium
Laser beam effects
Torque
torque
Surface morphology
Lasers
high power lasers
irradiation
Caves
lasers
caves

Keywords

  • Dental implants
  • Laser surface treatment
  • Osseointegration

ASJC Scopus subject areas

  • Biomaterials

Cite this

Morphological and animal study of titanium dental implant surface induced by blasting and high intensity pulsed Nd-glass laser. / Karacs, A.; Joob Fancsaly, A.; Divinyi, T.; Pető, G.; Kovách, G.

In: Materials Science and Engineering C, Vol. 23, No. 3, 03.03.2003, p. 431-435.

Research output: Contribution to journalArticle

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AU - Kovách, G.

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AB - Machined dental implants of titanium were blasted with A12O3 powder of 250 Am particle size. The surface was irradiated in vacuum with a Nd-glass pulsed laser at 1-3 J pulse energies. The morphology of these surfaces was investigated by optical and scanning electron microscopy. The low intensity laser treatment resulted in some new irregularities but we can observe the blasted elements and caves from the original blasted surface too. The blasted elements were washed out and a new surface morphology was induced by the high intensity laser treatment. The osseointegration was determined by measuring the removal torque in the rabbit experiments. The results were referred to the as machined surface. The blasting slightly increased the removal torque. The laser irradiation increased the removal torque significantly, more by a factor of 1.5 compared to the reference at high laser intensity. This shows the influence of the surface morphology on the osseointegration. The combination of the blasting with the laser irradiation is considered a method to determine the morphology optimal for the osseointegration because the pulsed laser irradiation caused modifications of the micrometer sized surface elements and decreases possible surface contamination.

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