Laser Therapy

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Halitosis – Laser cryptolysis

In 2004 Otolarygnology–Head and Neck Surgery published a study in which 53 patients with halitosis caused by chronic fetid tonsillitis received laser cryptolysis. Complete elimination was achieved after 1 session in 28 patients, 2 sessions in 18 patients and 3 sessions in 5 patients. No adverse effects were observed. [Source]
In 2006 Photomedicine and Laser Surgery published a study in which 38 patients with halitosis caused by chronic caseous tonsillitis saw significant improvements after 4 sessions of laser cryptolysis by coagulation. [Source]

In 2003 Lancet published a double-blind study in which 41 adults with mild to moderate facial acne were treated with either a single pulsed-dye laser treatment or a sham treatment (control group). After 12 weeks the pulsed-dye laser group had a 53 percent reduction in acne lesions compared to 9 percent in the control group. The most significant improvements were seen after 4 weeks. [Source]
In 2010 The Journal of the European Academy of Dermatology and Venereology published a study which compared pulsed dye laser (PDL) treatments and intense pulsed light (IPL) treatments in a split-facial trial of 20 patients. The IPL treated sides of the face showed greater immediate results, though acne began to recur 8 weeks into treatment. Conversely, the PDL treatment lead to more gradual improvements that lasted 8 weeks after treatment. [Source]
In 2007 Actas Dermo-Sigliograficas published a study in which 36 patients with mild to moderate acne received pulsed dye laser treatment every 4 weeks. After 12 weeks the total number of active acne lesions was reduced by an average 57 percent. [Source]
In 2006 Lasers in Surgery and Medicine published a study involving 15 acne patients in which pulsed-dye laser treatment combined with 1,450-nm diode laser decreased acne lesions by 84 percent after 3 treatments. Improvements in acne scarring and inflammation were also seen. [Source]

In 2011 the Journal of Cosmetic Dermatology published a study involving 7 adults with acne scars which showed that Fractional CO2 lasers provided clinical improvement in acne scars after 3 weeks and 3 sessions. [Source]