{"title":"Effective Parameters for Orthodontic Tooth Movement Acceleration with Photobiomodulation: An Umbrella Review.","authors":"Angela Domínguez, Hernan Dario Muñoz-Alvear, Daniela Oviedo-Toro, Ximena Suárez-Quenguán, Esteban Lopez-Portilla","doi":"10.1089/pho.2024.0034","DOIUrl":"10.1089/pho.2024.0034","url":null,"abstract":"<p><p><b><i>Objective</i></b>: To answer this research question: What are the effective wavelength, power, and energy density parameters for achieving dental movement acceleration? <b><i>Background Data</i></b>: Photobiomodulation (PBM) has been clinically studied for its ability to accelerate dental movements in orthodontics. However, its effectiveness is dose dependent. <b><i>Methods</i></b>: The search was carried out in PubMed, SCOPUS, and ISI Web of Science. The quality of the included systematic reviews was performed using the AMSTAR 2 tool. The risk of bias was assessed using the ROBIS tool. <b><i>Results</i></b>: In total, 29 articles in PubMed, 75 in Scopus, and 61 in ISI Web of Science. Finally, only five systematic reviews were included. <b><i>Conclusions</i></b>: The results showed the range from 730 to 830 nm as the most effective range of wavelength to accelerate the orthodontic dental movement. A power range of 0.25-200 mW, with emphasis on the direct correlation between power, wavelength, and energy density. Energy density has not been adequately reported in the most randomized controlled clinical trials.</p>","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":" ","pages":"449-462"},"PeriodicalIF":1.8,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141249264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alex Simon Chan, Andrew Jonathan Chan, Ambrose Chan, Patricia Armati
{"title":"Successful Intentional Replantation of a Severely Compromised Tooth Using 3 Types of Phototherapy: A Case Report.","authors":"Alex Simon Chan, Andrew Jonathan Chan, Ambrose Chan, Patricia Armati","doi":"10.1089/photob.2023.0197","DOIUrl":"10.1089/photob.2023.0197","url":null,"abstract":"<p><p><b><i>Background:</i></b> Intentional replantation (IR) is an emerging and cost-effective last-resort treatment for persistent apical periodontitis. Adjunctive phototherapy for IR aims to improve the management of challenging cases by enhancing disinfection, stimulating healing and promoting regeneration. <b><i>Objective:</i></b> We report a novel phototherapy-assisted IR protocol conducted on a compromised lateral incisor with an extensive periapical infection (Ø > 10 mm) in a 68-year-old diabetic male. <b><i>Methods:</i></b> The IR protocol involved pre- and postoperative photobiomodulation (660 nm, 0.2 J/cm<sup>2</sup>, 60 sec/site), antimicrobial photodynamic therapy of the root surface (660 nm, 0.6 J/cm<sup>2</sup>, 30 sec, methylene blue photosensitizer), and Er:YAG root and socket debridement (2940 nm, 21 J/cm<sup>2</sup>, 30 sec). The total time from extraction to replantation was 14 min 35 sec. <b><i>Results:</i></b> The tooth at 3.5-year follow-up remained clinically functional with radiographic resolution of the infection indicating a successful reimplantation. <b><i>Conclusions:</i></b> This case report demonstrated that an adjunctive phototherapy IR protocol can effectively treat a compromised tooth with extensive periapical infection.</p>","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":" ","pages":"488-492"},"PeriodicalIF":1.8,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140872645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Paloma Tejero García, Sheila Mota Antigua, Marta Ortega Zamorano, Rosa María de Lima Monteiro Saraiva, Hernán Pinto
{"title":"Photothermal Biostimulation of Platelet-Rich Plasma Improves Hand Rejuvenation Clinical Outcome: A Pilot Study.","authors":"Paloma Tejero García, Sheila Mota Antigua, Marta Ortega Zamorano, Rosa María de Lima Monteiro Saraiva, Hernán Pinto","doi":"10.1089/pho.2023.0192","DOIUrl":"10.1089/pho.2023.0192","url":null,"abstract":"<p><p><b><i>Objective:</i></b> This study aimed to evaluate physical skin changes and patients' subjective perception of treatment with photothermal bioactivated platelet-rich plasma (MCT Plasma) for hand rejuvenation. <b><i>Background:</i></b> Age-related changes in the dorsum of the hand include volume loss, dyschromia, and soft-tissue atrophy, which result in wrinkles and prominent deep structures. <b><i>Methods:</i></b> We conducted a prospective, single-center, randomized pilot study on 10 healthy female volunteers from 30 to 65 years with hand aging signs. Patients received two sessions of MCT Plasma on the treated hand and two sessions of standard platelet-rich plasma (PRP) on the control hand. Results were assessed through high-frequency ultrasonography, photographs, a patient satisfaction survey, patient perception of skin aspect, and patient perception of amelioration survey. <b><i>Results:</i></b> Ten women with a mean age of 57.5 years (standard deviation 10.5, range 31 - 67) were included, and seven (70%) completed the study. The treated hands' skin subepidermal low-echogenic band (SLEB) decreased from 20% to 60%, and 57.1% (<i>n</i> = 4) had better results than control. Twenty percent of patients were very satisfied with the results, 40% were satisfied, 40% were neutral, and none were unsatisfied or very unsatisfied. Patients perceived the skin of the treated hand (MCT Plasma) as \"much better\" (20%), \"better\" (60%), and \"no changes\" (20%) compared with the skin of the control hand (standard PRP). No treatment-related adverse events were reported during the study. <b><i>Conclusions:</i></b> Hands treated with MCT Plasma tended to have better outcomes in reducing SLEB compared with those treated with standard PRP. Patients were satisfied and the treatment was safe with no technical complications. However, further randomized controlled trials with larger sample sizes are mandatory to validate the extent of improvement provided by this device based on photothermal biomodulation.</p>","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":" ","pages":"473-479"},"PeriodicalIF":1.8,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141249270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Paula K Johnson, Peter C Fino, Elisabeth A Wilde, Elizabeth S Hovenden, Hilary A Russell, Carmen Velez, Ryan Pelo, Amanda J Morris, Nicholas Kreter, Emma N Read, Finian Keleher, Carrie Esopenko, Hannah M Lindsey, Mary R Newsome, Dayna Thayn, Courtney McCabe, Christine M Mullen, Lance E Davidson, Spencer W Liebel, Lawrence Carr, David F Tate
{"title":"The Effect of Intranasal Plus Transcranial Photobiomodulation on Neuromuscular Control in Individuals with Repetitive Head Acceleration Events.","authors":"Paula K Johnson, Peter C Fino, Elisabeth A Wilde, Elizabeth S Hovenden, Hilary A Russell, Carmen Velez, Ryan Pelo, Amanda J Morris, Nicholas Kreter, Emma N Read, Finian Keleher, Carrie Esopenko, Hannah M Lindsey, Mary R Newsome, Dayna Thayn, Courtney McCabe, Christine M Mullen, Lance E Davidson, Spencer W Liebel, Lawrence Carr, David F Tate","doi":"10.1089/pho.2023.0178","DOIUrl":"10.1089/pho.2023.0178","url":null,"abstract":"<p><p><b><i>Objective:</i></b> This proof-of-concept study was to investigate the relationship between photobiomodulation (PBM) and neuromuscular control. <b><i>Background:</i></b> The effects of concussion and repetitive head acceleration events (RHAEs) are associated with decreased motor control and balance. Simultaneous intranasal and transcranial PBM (itPBM) is emerging as a possible treatment for cognitive and psychological sequelae of brain injury with evidence of remote effects on other body systems. <b><i>Methods:</i></b> In total, 43 (39 male) participants, age 18-69 years (mean, 49.5; SD, 14.45), with a self-reported history of concussive and/or RHAE and complaints of their related effects (e.g., mood dysregulation, impaired cognition, and poor sleep quality), completed baseline and posttreatment motor assessments including clinical reaction time, grip strength, grooved pegboard, and the Mini Balance Evaluation Systems Test (MiniBEST). In the 8-week interim, participants self-administered itPBM treatments by wearing a headset comprising four near-infrared light-emitting diodes (LED) and a near-infrared LED nasal clip. <b><i>Results:</i></b> Posttreatment group averages in reaction time, MiniBEST reactive control subscores, and bilateral grip strength significantly improved with effect sizes of <i>g</i> = 0.75, <i>g</i> = 0.63, <i>g</i> = 0.22 (dominant hand), and <i>g</i> = 0.34 (nondominant hand), respectively. <b><i>Conclusion:</i></b> This study provides a framework for more robust studies and suggests that itPBM may serve as a noninvasive solution for improved neuromuscular health.</p>","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":" ","pages":"404-413"},"PeriodicalIF":1.8,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11587703/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141289063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lew Lim, Nazanin Hosseinkhah, Mark Van Buskirk, Andrea Berk, Genane Loheswaran, Zara Abbaspour, Mahta Karimpoor, Alison Smith, Kai Fai Ho, Abhiram Pushparaj, Michael Zahavi, Alexander White, Jonathan Rubine, Brian Zidel, Christopher Henderson, Russell Gene Clayton, David Roy Tingley, David Joseph Miller, Mahroo Karimpoor, Michael R Hamblin
{"title":"Photobiomodulation Treatment with a Home-Use Device for COVID-19: A Randomized Controlled Trial for Efficacy and Safety.","authors":"Lew Lim, Nazanin Hosseinkhah, Mark Van Buskirk, Andrea Berk, Genane Loheswaran, Zara Abbaspour, Mahta Karimpoor, Alison Smith, Kai Fai Ho, Abhiram Pushparaj, Michael Zahavi, Alexander White, Jonathan Rubine, Brian Zidel, Christopher Henderson, Russell Gene Clayton, David Roy Tingley, David Joseph Miller, Mahroo Karimpoor, Michael R Hamblin","doi":"10.1089/pho.2023.0179","DOIUrl":"10.1089/pho.2023.0179","url":null,"abstract":"<p><p><b><i>Background:</i></b> Photobiomodulation therapy (PBMT) using devices to deliver red and/or near-infrared light to tissues has shown promising effects in clinical settings for respiratory diseases, including potential benefits in managing symptoms associated with COVID-19. <b><i>Objective:</i></b> To determine if at-home self-administered PBMT for patients with COVID-19 is safe and effective. <b><i>Methods:</i></b> This was a randomized controlled trial (RCT) carried out at home during the COVID-19 pandemic (September 2020 to August 2021). The treatment group self-administered the Vielight RX Plus PBMT device (635 nm intranasal and 810 nm chest LEDs) and were monitored remotely. Eligible patients scored 4-7 (out of 7) for severity on the Wisconsin Upper Respiratory Symptom Survey (WURSS-44). Patients were randomized equally to Control group receiving standard-of-care (SOC) only or Treatment group receiving SOC plus PBMT. The device was used for 20 min 2X/day for 5 days and, subsequently, once daily for 30 days. The primary end-point was time-to-recovery (days) based on WURSS-44 question 1, \"How sick do you feel today?\". Subgroup analysis was performed, and Kaplan-Meier and Cox Proportional Hazards analysis were employed. <b><i>Results:</i></b> One hundred and ninety-nine eligible patients (18-65 years old) were divided into two subgroups as follows: 136 patients with 0-7 days of symptoms at baseline and 63 patients with 8-12 days of symptoms. Those with 0-7 days of symptoms at baseline recovered significantly faster with PBMT. The median for Treatment group was 18 days [95% confidence interval (CI), 13-20] versus the Control group 21 days (95% CI, 15-28), <i>p</i> = 0.050. The treatment:control hazard ratio was 1.495 (95% CI, 0.996-2.243), <i>p</i> = 0.054. Patients with symptom duration ≥7 days did not show any significant improvement. No deaths or severe adverse events (SAEs) occurred in the Treatment group, whereas there was 1 death and 3 SAEs requiring hospitalization in the Control group. <b><i>Conclusions:</i></b> Patients with ≤7 days of COVID-19 symptoms recovered significantly faster with PBMT compared to SOC. Beyond 7 days, PBMT showed no superiority over SOC. <b><i>Trial Registration:</i></b> ClinicalTrials.gov NCT04418505.</p>","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":"42 6","pages":"393-403"},"PeriodicalIF":1.8,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141474159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Photobiomodulation in the Treatment of Dysgeusia in Patients with Long COVID: Comment.","authors":"Hinpetch Daungsupawong, Viroj Wiwanitkit","doi":"10.1089/photob.2024.0040","DOIUrl":"https://doi.org/10.1089/photob.2024.0040","url":null,"abstract":"","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140916604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andreas Zoric, Mahsa Bagheri, Maria von Kohout, Tara Fardoust, Paul C Fuchs, Jennifer L Schiefer, Christian Opländer
{"title":"High-Intensity Blue Light (450-460 nm) Phototherapy for <i>Pseudomonas aeruginosa</i>-Infected Wounds.","authors":"Andreas Zoric, Mahsa Bagheri, Maria von Kohout, Tara Fardoust, Paul C Fuchs, Jennifer L Schiefer, Christian Opländer","doi":"10.1089/pho.2023.0180","DOIUrl":"https://doi.org/10.1089/pho.2023.0180","url":null,"abstract":"<p><p><b><i>Background:</i></b> Nosocomial wound infection with <i>Pseudomonas aeruginosa</i> (PA) is a serious complication often responsible for septic mortality of burn patients. High-intensity antimicrobial blue light (aBL) treatment may represent an alternative therapy for PA infections. <b><i>Methods:</i></b> Antibacterial effects of an light-emitting diode (LED) array (450-460 nm; 300 mW/cm<sup>2</sup>; 15/30 min; 270/540J/cm<sup>2</sup>) against PA were determined by suspension assay, biofilm assay, and a human skin wound model and compared with 15-min topically applied 3% citric acid (CA) and wound irrigation solution (Prontosan<sup>®</sup>; PRT). <b><i>Results:</i></b> The aBL reduced the bacterial number (2.51-3.56 log<sub>10</sub> CFU/mL), whereas PRT or CA treatment achieved a 4.64 or 6.60 log<sub>10</sub> CFU/mL reduction in suspension assays. The aBL reduced biofilm formation by 60%-66%. PRT or CA treatment showed reductions by 25% or 13%. In this study, aBL reduced bacterial number in biofilms (1.30-1.64 log<sub>10</sub> CFU), but to a lower extent than PRT (2.41 log<sub>10</sub> CFU) or CA (2.48 log<sub>10</sub> CFU). In the wound skin model, aBL (2.21-2.33 log<sub>10</sub> CFU) showed a bacterial reduction of the same magnitude as PRT (2.26 log<sub>10</sub> CFU) and CA (2.30 log<sub>10</sub> CFU). <b><i>Conclusions:</i></b> The aBL showed a significant antibacterial efficacy against PA and biofilm formation in a short time. However, a clinical application of aBL in wound therapy requires effective active skin cooling and eye protection, which in turn may limit clinical implementation.</p>","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140900749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andreas Zoric, Mahsa Bagheri, Maria von Kohout, Tara Fardoust, Paul C Fuchs, Jennifer L Schiefer, Christian Opländer
{"title":"High-Intensity Blue Light (450-460 nm) Phototherapy for <i>Pseudomonas aeruginosa</i>-Infected Wounds.","authors":"Andreas Zoric, Mahsa Bagheri, Maria von Kohout, Tara Fardoust, Paul C Fuchs, Jennifer L Schiefer, Christian Opländer","doi":"10.1089/photob.2023.0180","DOIUrl":"https://doi.org/10.1089/photob.2023.0180","url":null,"abstract":"<p><p><b><i>Background:</i></b> Nosocomial wound infection with <i>Pseudomonas aeruginosa</i> (PA) is a serious complication often responsible for the septic mortality of burn patients. <b><i>Objective:</i></b> High-intensity antimicrobial blue light (aBL) treatment may represent an alternative therapy for PA infections and will be investigated in this study. <b><i>Methods:</i></b> Antibacterial effects of a light-emitting diode array (450-460 nm; 300 mW/cm<sup>2</sup>; 15/30 min; 270/540 J/cm<sup>2</sup>) against PA were determined by suspension assay, biofilm assay, and a human skin wound model and compared with 15-min topically applied 3% citric acid (CA) and wound irrigation solution (Prontosan<sup>®</sup>; PRT). <b><i>Results:</i></b> aBL reduced the bacterial number [2.51-3.56 log<sub>10</sub> colony-forming unit (CFU)/mL], whereas PRT or CA treatment achieved a 4.64 or 6.60 log<sub>10</sub> CFU/mL reduction in suspension assays. aBL reduced biofilm formation by 60-66%. PRT or CA treatment showed reductions by 25% or 13%. Here, aBL reduced bacterial number in biofilms (1.30-1.64 log<sub>10</sub> CFU), but to a lower extend than PRT (2.41 log<sub>10</sub> CFU) or CA (2.48 log<sub>10</sub> CFU). In the wound skin model, aBL (2.21-2.33 log<sub>10</sub> CFU) showed a bacterial reduction of the same magnitude as PRT (2.26 log<sub>10</sub> CFU) and CA (2.30 log<sub>10</sub> CFU). <b><i>Conclusions:</i></b> aBL showed a significant antibacterial efficacy against PA and biofilm formation in a short time. However, a clinical application of aBL in wound therapy requires effective active skin cooling and eye protection, which in turn may limit clinical implementation.</p>","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":"42 5","pages":"356-365"},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141083000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Photobiomodulation Literature Watch August 2023.","authors":"James D Carroll","doi":"10.1089/photob.2024.0047","DOIUrl":"https://doi.org/10.1089/photob.2024.0047","url":null,"abstract":"","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":"42 5","pages":"389-392"},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141083002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Reducing Carbon Dioxide Laser-Induced Postinflammatory Hyperpigmentation with Prophylactic Photobiomodulation: A Case Study.","authors":"Augustin C Barolet, Daniel Barolet","doi":"10.1089/photob.2023.0184","DOIUrl":"10.1089/photob.2023.0184","url":null,"abstract":"<p><p><b><i>Objective:</i></b> This study aimed to investigate the effectiveness of prophylactic photobiomodulation (PBM) in reducing postinflammatory hyperpigmentation (PIH) induced by carbon dioxide (CO<sub>2</sub>) laser resurfacing in a patient with periorbital syringomas. <b><i>Background:</i></b> PIH is a common condition characterized by abnormal skin pigmentation after an inflammatory process occurring in up to 20-30% of patients undergoing CO<sub>2</sub> laser resurfacing. <b><i>Methods:</i></b> The patient was treated with PBM using a pulsed home-use device at 630 nm before and after CO<sub>2</sub> laser treatment. The patient was asked to treat the right periorbital area before and after the CO<sub>2</sub> laser treatment, which was continued once a day for 2 consecutive weeks. <b><i>Results:</i></b> At 12 weeks, PIH was significantly reduced on the treated side compared with the contralateral untreated side (leading to persistent erythema at 6 months). <b><i>Conclusions:</i></b> This is the first report of prophylactic treatment of CO<sub>2</sub> laser-induced dyschromia using PBM.</p>","PeriodicalId":94169,"journal":{"name":"Photobiomodulation, photomedicine, and laser surgery","volume":"42 5","pages":"339-342"},"PeriodicalIF":1.8,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141083005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}