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Photodynamic Therapy
Photodynamic Therapy (PDT) is an innovative medical treatment that harnesses the power of light to target and destroy abnormal or cancerous cells. This two-step procedure involves administering a photosensitizing agent, which is absorbed by the targeted cells, followed by exposure to a specific wavelength of light, typically delivered via a laser. The light activates the photosensitizer, leading to the production of reactive oxygen species that selectively destroy the targeted cells.
In dermatology, PDT is effectively used to treat various skin conditions, including actinic keratosis, basal cell carcinoma, and sun-damaged skin. The treatment is minimally invasive, often resulting in fewer side effects compared to traditional therapies like surgery or radiation. Additionally, PDT has applications in ophthalmology for conditions such as age-related macular degeneration, where it helps to reduce abnormal blood vessel growth in the retina.
In dentistry, PDT has shown promise in treating periodontal diseases, oral cancers, and dental infections. The evolution of PDT continues with advancements in laser technology and photosensitizer development, expanding its potential applications in medical and dental practices.
Overall, PDT represents a significant advancement in medical treatments, offering targeted therapy with minimal invasiveness and side effects.
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