[Lasers: principles, characteristics and tissue interactions]. 2009

M Meire, and K Delmé, and S Nammour, and R De Moor
Service de Dentisterie Opératoire et d'Endodontie, Université de Liège, Quai Godfroid Kurth, 45, 4020, Liège. maarten.meire@ugent.be

Since their appearance in 1960, lasers have been considered useful light sources for medical applications. Laser light is monochromatic, the bundle is parallel and can be directed and focussed, as a result of which very high energy densities can be achieved. Several applications in dentistry have been investigated over the past decades. This article describes the physics behind lasers, the characteristics of the laser beam and overviews the laser wavelengths currently used in dentistry. The different interactions between the laser beam and the target are explained.

UI MeSH Term Description Entries
D007834 Lasers An optical source that emits photons in a coherent beam. Light Amplification by Stimulated Emission of Radiation (LASER) is brought about using devices that transform light of varying frequencies into a single intense, nearly nondivergent beam of monochromatic radiation. Lasers operate in the infrared, visible, ultraviolet, or X-ray regions of the spectrum. Masers,Continuous Wave Lasers,Pulsed Lasers,Q-Switched Lasers,Continuous Wave Laser,Laser,Laser, Continuous Wave,Laser, Pulsed,Laser, Q-Switched,Lasers, Continuous Wave,Lasers, Pulsed,Lasers, Q-Switched,Maser,Pulsed Laser,Q Switched Lasers,Q-Switched Laser
D003813 Dentistry The profession concerned with the teeth, oral cavity, and associated structures, and the diagnosis and treatment of their diseases including prevention and the restoration of defective and missing tissue.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013696 Temperature The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. Temperatures
D053685 Laser Therapy The use of photothermal effects of LASERS to coagulate, incise, vaporize, resect, dissect, or resurface tissue. Laser Knife,Laser Scalpel,Surgery, Laser,Vaporization, Laser,Laser Ablation,Laser Knives,Laser Photoablation of Tissue,Laser Surgery,Laser Tissue Ablation,Nonablative Laser Treatment,Pulsed Laser Tissue Ablation,Ablation, Laser,Ablation, Laser Tissue,Knife, Laser,Knifes, Laser,Knive, Laser,Knives, Laser,Laser Knifes,Laser Knive,Laser Scalpels,Laser Surgeries,Laser Therapies,Laser Treatment, Nonablative,Laser Treatments, Nonablative,Laser Vaporization,Nonablative Laser Treatments,Scalpel, Laser,Scalpels, Laser,Surgeries, Laser,Therapies, Laser,Therapy, Laser,Tissue Ablation, Laser
D055620 Optical Phenomena LIGHT, its processes and properties, and the characteristics of materials interacting with it. Optical Concepts,Optical Processes,Optical Phenomenon,Optical Process,Concept, Optical,Concepts, Optical,Optical Concept,Phenomena, Optical,Phenomenon, Optical,Process, Optical,Processes, Optical
D055668 Photochemical Processes Chemical reactions effected by light. Processes, Photochemical

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