Laser technology is energy generated from various sources and acting differently. Thus there are lasers that act only on tissues and others that operate on bone and teeth.
On soft tissues can cut, is the surgical effect is used in the treatment of the gum; they can also deflate and repair, thus curing paresthesias or partial or total decrease insensitivity and neuralgia or generalized pain. The anti-inflammatory effect is widely used for herpes, canker sores, and gum disease.
On hard tissues such as tooth or bone, they remove infected tissue or carve a surface for implantplacement.
It is a technology that I arrive to stay and will surprise us in the years to come.