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Volume 21 , Issue 2
March/April 2006

Pages 232236

Osteoblast Attachment on Titanium Disks After Laser Irradiation

George Romanos, DDS, Dr Med Dent, PhD / Roberto Crespi, DDS / Antonio Barone, DDS / Ugo Covani, DDS

PMID: 16634493

Purpose: Osteoblast attachment on titanium surfaces is necessary to achieve new bone formation and osseointegration. The purpose of this study was to examine osteoblast attachment on irradiated titanium disks. materials and methods: Machined, hydroxyapatite (HA)-coated, sandblasted, and titanium plasma-sprayed (TPS) surfaces were irradiated with either a carbon dioxide (CO2) or an Er,Cr:YSGG laser. A control group of nonirradiated disks was also examined. Osteoblast cultures were cultivated on the titanium disks and examined with scanning electron microscopy. Results: The findings demonstrated that osteoblasts could be grown on all of the surfaces. Pseudopodia and a spread of cells that demonstrated maturation were observed on the lased irradiated titanium disks. Conclusions: The data show that laser irradiation of titanium surfaces may promote osteoblast attachment and further bone formation. (Basic Science)

Int J Oral Maxillofac Implants 2006;21:232236
Key words: laser irradiation, osteoblast attachment

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