Lasers in Surgery and Medicine
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Qualitative and quantitative gross histopathologic studies of skin damage were performed at 48 hours after irradiation with a 2.0 microm thulium CW laser to determine the mechanisms of laser effects in the skin under various exposure conditions. Pig skin lesions were created at, below and beyond...
To date, reports on the safe and effective laser treatment of disseminated granuloma annulare (GA) are still limited. A 58-year-old Caucasian female with disseminated GA was treated with fractional photothermolysis (FP) using a 1,440-nm Nd:YAG laser. Four lesions on the patient's left upper arm ...
A combined diffuse reflectance (DR) spectroscopy and doppler optical coherence tomography (DOCT) approach may offer a powerful means for assessment of tissue function, and potentially provide a way for earlier cancer detection through non-invasive local blood supply measurements. The goal of the...
Basal cell carcinomas (BCCs) are the most common form of skin cancers with high and increasing incidence rates. Photodynamic therapy (PDT) with mTHPC (Foscan) has shown to be a promising treatment alternative with good cosmetic results. The current study was aimed to determine optimal treatment ...
We evaluated the endpoint of caries removal with a novel fluorescence-controlled Er:YAG laser by biochemical analysis of dentin collagen and electron microscopy. For the biochemical analysis 210 carious and 60 caries-free teeth were treated by a fluorescence controlled Er:YAG laser (n=240) or by...
In a randomized controlled split-face trial to evaluate efficacy and adverse effects from rejuvenation with long-pulsed dye laser (LPDL) versus intense pulsed light (IPL). Twenty female volunteers with Fitzpatrick skin types I-III, classes I-II rhytids, and symmetrical split-face photodamage wer...
Accurate dosimetry was shown to be critical to achieve effective photodynamic therapy (PDT). This study aimed to assess the reliability of in vivo protoporphyrin IX (PpIX) fluorescence photobleaching as a predictive tool of the hexaminolevulinate PDT (HAL-PDT) response in a rat model of advanced...
It was the aim of this pilot study to evaluate the feasibility, benefits and limitations of a variable square pulse (VSP) Er:YAG laser for harvesting intraoral bone grafts from either the chin or ramus region. In 12 patients (5 female, 7 male) a VSP Er:YAG laser was used to harvest bone grafts e...
Polarization sensitive optical coherence tomography (PS-OCT) has great promise for the non-destructive assessment of the efficacy of anti-caries agents such as fluoride and thermal laser treatments on enamel surfaces. The purpose of this study was to demonstrate that PS-OCT can be used to measur...
Low level laser irradiation (LLLI) has been shown to reduce inflammation in a variety of clinical situations. We have shown that LLLI (780 nm) increases aortic smooth muscle cell proliferation and matrix protein secretion and modulates activity and expression of matrix metalloproteinases. Inflam...