In the common dental problem known as periodontitis, various microbes play a critical role in the disease processes that damage the pulp and other tooth structures. The light-based therapy known as
Aging is a complex, progressive process that manifests outwardly as wrinkles, reddish spots, blemishes and other undesirable changes on the skin. Long-term, habitual exposures to the sun—along with various genetic
Photodynamic therapy (PDT) is a treatment that uses certain medications to render abnormal cells vulnerable to lasers or other visible light sources. In Part 1 of this article, we
Actinic Keratosis, or AK, is a common and benign skin problem linked with chronic, long-term sun exposure. The small, rough reddish patches that characterize AK are often referred to as “sun
Several cancers are unique to the female anatomy, including cancers of the cervix, endometrium, uterus and ovaries. Breast cancer occurs in both men and women but is of
Cancers of the head and neck represent the fifth most common type of cancer worldwide. Men are about three times more likely to be diagnosed than women with
Photodynamic diagnosis, or photodiagnosis, entails the use of light-sensitizing substances (photosensitizers) that make abnormal cells “glow” or fluoresce when exposed to light, thus enabling the physician to actually see the
Fluorescence-guided surgery (FGS) entails the use of a light-sensitizing agent, or photosensitizer, to help reveal the precise location of cancer cells or malignant tissue during the operation. When
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