introduction : halitosis is a common problem that affects a large portion of the population worldwide. the origin of this condition is oral in 90% of cases and systemic in 10% of cases. the foul odor is caused mainly by volatile sulfur compounds produced by gram-negative bacteria. however, it has recently been found that anaerobic gram-positive bacteria also produce hydrogen sulfide (h 2 s) in ...

introduction: deep periodontal pockets pose a great challenge for nonsurgical periodontal treatment. scaling and root planing (srp) alone may not suffice in cases where surgical therapy cannot be undertaken. various recent studies have suggested the use of antimicrobial photodynamic therapy (apdt) for the management of periodontal infections. the aim of this study was to evaluate the effects of...

nowadays, developements in nanotechnology have leeds an increased application of this newborn technology in cancer treatment. in this study, a stabilized micelle was developed to load hpd in order to be used in photodynamic treatment of cancer in an animal model. to construct micelles, pluronic p-105 was used and stabilized to encapsulate hpd . this process includes a 24 h polymerization in whi...

introduction: the efficiency of routine scaling and root planning is negatively influenced by the tooth anatomy and residual bacteria all possibly affecting the treatment outcomes in future. the present study compared the microbiologic effectiveness of the photodynamic therapy (pdt) as an adjunctive treatment modality for nonsurgical treatment in chronic periodontitis. methods: in this randomiz...

today, use of nanotechnology for cancer therapy is an active field of research. early detection, accurate diagnosis, and individual treatment are the aims which cause nanotechnology as an attractive area for research. among metallic nanomaterials, gold nanostructures have unique properties which make them remarkable candidates for biomedical approaches. surface plasmonic resonance (spr) effect ...

introduction: the a im of this study is the evaluation of the effect of antimicrobial photodynamic therapy with radachlorin on staphylococcus aureus and escherichia coli. new windows are open in the antimicrobial field so-call photodynamic therapy that incorporates a nonpoisonous photosensitizer (ps) with innocuous special wavelength photons to excite the ps. methods: two strains of bacteria us...

in order to achieve a long-lasting effect, one of the main goals in root canal treatment is to eliminate the endodontic bacteria. conventional chemomechanical debridement is considered as the basic treatment in root canal therapy, but adjunctive techniques such as antimicrobial photodynamic therapy (apdt) can also be helpful. the aim of this study was to evaluate reports in the scientific liter...

objective(s)   although photodynamic therapy is considered as a noninvasive method, most photosensitizers are susceptible to  ultrasound.  therefore,  it  is  expected  that  the  combination of  two  activation  methods  might  have  a synergistic effect. this probable effect has been investigated in this study.   materials and methods   this  study  was  conducted  on  colon  carcinoma  tumor...

photodynamic therapy (pdt) using 5-aminolevulinic acid (5-ala)-induced protoporphyrin ix (ppix) has been considered as a new method for treating neoplasms. however, ala-pdt is suboptimal for thick tumors. searching for new approaches, we investigated the effect of adding differentiation therapy (dt) with vitamin e succinate (ves) to pdt in human prostate ln-cap-fgc10 cancer cells in vitro . the...