Erbium-Doped Yttrium Aluminium Garnet (Er:YAG) Lasers in the Treatment of Peri-Implantitis

Abstract

Erbium-doped yttrium-aluminum-garnet (Er:YAG) lasers have emerged as a promising tool for the treatment of peri-implantitis, a pathological condition characterized by inflammation and bone loss around dental implants. Peri-implantitis, often associated with bacterial biofilms, leads to significant clinical complications, including pocket depth, bleeding, and pain. While traditional treatments such as mechanical debridement have shown limited effectiveness, Er:YAG lasers, with their high absorption by water, are believed to offer enhanced bacterial decontamination and tissue healing through photothermal effects. Studies indicate that Er:YAG lasers can reduce probing depths and improve biofilm removal, though the effects on clinical attachment levels and bone regeneration remain inconsistent. The use of Er:YAG lasers in peri-implantitis treatment is not without challenges, including risks of heat-related tissue damage, undertreatment, and technical limitations such as insufficient penetration into intricate implant surfaces. Additionally, the lack of standardized treatment protocols complicates the widespread adoption of this technology. Research highlights potential improvements when Er:YAG lasers are combined with other modalities, such as antimicrobial photodynamic therapy (aPDT) and ultrasonic devices. Future advancements in laser technology, such as flexible fibers and optimized energy settings, may enhance their clinical application. Despite the promising results, further large-scale randomized controlled trials with extended follow-up periods are required to confirm the long-term benefits of Er:YAG lasers in peri-implantitis management, especially in terms of bone regeneration and bacterial control.

Keywords: biofilm removal; dental implants; er:yag laser; peri-implantitis; tissue healing.