The Effects of Low Level Laser Irradiation on Gingival Inflammation

Pejčić, Ana; Kojović, Draginja; Kesić, Ljiljana; Obradoviç, Radmila

doi:10.1089/pho.2008.2301

Cited by 90 publications

(55 citation statements)

References 23 publications

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“…According to Kreisler (2005) the greatest reduction in the degree of tooth mobility and probing depth in the group of patients who underwent SRP + laser therapy can be mainly attributed not to the killing of bacteria in periodontal pockets, but rather to the complete removal of infected sulcular epithelium, which leads to greater attack of the connective tissue (33). Furthermore, the removal of granulation tissue infected promotes the healing of connective tissue with a decrease in probing depth, gingival index and tooth mobility and a recovery of clinical attacks significantly higher compared to the initial preparation only (33)(34)(35)(36); these results, in addition to being the best, are longer lasting and more stable over time (37). However, according to De Micheli (2011) the results of the two therapeutic procedures are similar with regard to plaque index and bleeding on probing, for which laser therapy does not lead to additional benefits (38).…”

Section: Middle Value Pmentioning

confidence: 99%

Effectiveness of a diode laser in addition to non-surgical periodontal therapy: study of intervention

Crispino

Figliuzzi

Iovane

et al. 2015

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SummaryBackground. Chronic periodontitis affects 47% of adult population over the age of 30. The first phase of periodontal treatment is always represented by scaling and root planning (SRP), that is a causal, non-surgical therapy that recognizes as primary aims the control of bacterial infection and the reduction of periodontal plaque-associated inflammation. Yet, another innovative causal therapy is represented by the irradiation of periodontal pockets with laser. Aim. To evaluate the effect of a 940-nm diode laser as an adjunct to SRP in patients affected by periodontitis. Materials and methods. Sixty-eight adult patients with moderate-to-severe periodontitis were sequentially enrolled and undergone to periodontal examination (V1) in order to detect gingival index (GI), plaque index (PI) and probing depth (PD). The patients were randomly divided into two groups: the first (n=34) received SRP treatment alone, the control group (n=34) received SRP and 940-nm diode laser therapy. Results. Data were analyzed by Student's t-test, with two tails; for all clinical parameters, both groups reported statistically significant differences compared to basal values (p<0.0001). Both procedures were effective in improving GI, PI and PD, but the use of diode laser was associated with more evident results.

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Section: Middle Value Pmentioning

confidence: 99%

Effectiveness of a diode laser in addition to non-surgical periodontal therapy: study of intervention

Crispino

Figliuzzi

Iovane

et al. 2015

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“…20 Veliki broj autora koristi doze u rasponu od 0,001-0,01J/cm 2 iako je još 1971. godine Mester sugerisao da je neophodna doza od 1-2 J/cm 2 za zarastanje rana. [21][22][23] U ovom istraživanju korišćene su doze približne terapeutskim dozama Mestera. Primenjeni laser je imao izlaznu snagu od 5 mW, a ekspozicija je bila 6,5 minuta po svakom ispitivanom području.…”

Section: Discussionunclassified

“…20,23 Uočeno je da dodatno zračenje laserom male snage daje bolje terapeutske rezultate nego samostalno uklanjanje kamenca i konkremenata uz kiretažu parodontalnih džepova. 20 Istraživači su istakli da je efekat LLLT bio najveći na nivou smanjenja gingivalnog indeksa i smanjenja dubine sondiranja.…”

Section: Discussionunclassified

“…20 Many authors use a dose range of 0,001-0,01 J/cm 2 , although in 1971 Mester suggested that the required dose for wound healing is 1-2 J/cm 2 . [21][22][23] In this study, the used doses are close to therapeutic doses of Mester. Laser was applied with output power of 5 mW and the exposure time of 6,5 minutes for each investigated area.…”

Section: Discussionmentioning

confidence: 99%

“…20,23 It was noticed that additional low power laser irradiation yields better therapeutic results than only tartar removal and periodontal pockets curettage. 20 The researchers noticed that the LLLT induces the highest reduction of gingival index and probing depth.…”

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Low power laser efficacy in the therapy of periodontitis

Obradoviç¹,

Kesić²,

Pejčić³

et al. 2015

Acta stomatologica Naissi

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Photodynamic therapy versus systemic antibiotic for the treatment of periodontitis in a rat model

Zhang

Liang

Zheng

et al. 2019

Journal of Periodontology

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Background: To compare the therapeutic effect of photodynamic therapy (PDT) with Toluidine blue O hydrogel versus systemic antibiotic (SA) in treating periodontitis on rats.Methods: Thirty-two Wistar rats were divided into four groups and treated differently: Negative control (NC) group, normal rats; positive control (PC) group, rats with periodontitis; SA group, rats with periodontitis treated with systemic antibiotic; PDT group, rats with periodontitis treated with PDT. After treatment, gingival sulcus bacterial load was measured by counting the colony forming units per milliliter (CFU mL −1 ). The tooth and periodontal tissues were histologically processed to analyze histological and immunohistochemical profile. Gingival samples were obtained to quantify interleukin-1 beta (IL-1 ) and tumor necrosis factor-alpha (TNF-) levels.Results: Gingival sulcus bacteria load is significantly lower in PDT group compared with the SA group. The histological analysis showed that some extremely effective repair signs of periodontal tissue were presented in PDT group, such as no periodontal pocket, no bone resorption, few inflammatory cells, massive fibroblasts and collagen fibers. Several effective repair signs of periodontal tissue were also observed in SA group, such as shallow periodontal pocket, small amount of inflammatory cells, substantial fibroblasts and collagen fibers. There were lower cyclooxygenase-2, matrix metalloproteinase -8 (MMP-8) and RANK immunolabeling, higher osteoprotegerin immunolabeling in PDT group compared with SA group. The IL-1 and TNF-levels in PDT group were lower than those in NC group, but higher than those in SA group. Conclusion:PDT was effective to treat experimental periodontitis and was superior to systemic metronidazole as a treatment for periodontitis. K E Y W O R D S antimicrobial(s), cytokine(s), periodontitis, reactive oxygen species 798

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The Effects of Low Level Laser Irradiation on Gingival Inflammation

Abstract: A general conclusion can be drawn that low level laser irradiation (semiconductor, 670 nm) can be used as a successful physical adjuvant method of treatment, which, together with traditional periodontal therapy, leads to better and longer-lasting therapeutic results.

Cited by 90 publications

References 23 publications

Effectiveness of a diode laser in addition to non-surgical periodontal therapy: study of intervention

Effectiveness of a diode laser in addition to non-surgical periodontal therapy: study of intervention

Low power laser efficacy in the therapy of periodontitis

Photodynamic therapy versus systemic antibiotic for the treatment of periodontitis in a rat model

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