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Journal of Oral Laser Applications

Year 2003
Volume 3 , Issue 2

Pages: 97 - 103

Er:YAG and CO2 Lasers in Oral Implantology: A Study on 83 Implants

Spyros A. Chryssikopoulos

Purpose: Since few data are available on the clinical evaluation of Er:YAG and CO2 lasers in oral implantology, the objective of this report is to define parameters, describe techniques, and present results of the use of Er:YAG and CO2 lasers in oral implantology in daily practice. Materials and Methods: A dual laser system combining an Er:YAG laser at 2.94 Ám and a CO2 laser at 10.96 Ám was used. The Er:YAG laser was applied for mucosal incision, mucosal ablation, periosteum incision, removal of granulomatous tissue, bone ablation/contouring, pilot drilling, and explantation of fixtures or impacted items. The CO2 laser was used for implant uncovering, periimplantitis treatment, hemostasis, excision of periimplant gingival hyperplasia, and periimplant soft tissue management and contouring. The energy settings for the Er:YAG laser ranged from 100 mJ to 1000 mJ and 7 pps to 20 pps. The energy values for the CO2 laser in the cw mode ranged from 1.0 W to 10.0 W, in the sp mode from 1.0 W to 6.0 W. Results: A total of 83 implants were placed, 61 transmucosally. All cases were performed under local anesthesia. Premedication was prescribed when necessary. One fixture failed due to premature loading. Eighty-two fixtures osseointegrated well. The postoperative condition of the patients was excellent. There was no difference regarding prosthetic restoration, esthetic result, or phonetics compared to conventional procedures. Conclusion: It is possible to use Er:YAG and CO2 lasers simultaneously as supporting tools in oral implantology. Both laser systems represent reliable instruments that can perform with precision, safety, and high ablation efficiency in oral implantology. Great advantages seem to result form the use of Er:YAG lasers in bone ablation. The ability of this wavelength to equally ablate soft tissue and bone simplifies surgical procedures.


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