Assessment of an Impact of a Diode Laser Mode with Wavelength of 980 nm on a Temperature Rise Measured by Means of k-02 Thermocouple: Preliminary Results

Matys, Jacek; Grzech‐Leśniak, Kinga; Flieger, Rafał; Dominiak, Marzena

doi:10.17219/dmp/62575

Cited by 20 publications

(19 citation statements)

References 16 publications

(21 reference statements)

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“…Necessary attention should be paid to preventing the thermal injury of the periodontal tissues when irradiating tissues with lasers [29][30][31][32][33]. A temperature increase by 10 • C for 60 s on the outer root surfaces can cause irreversible damage to the periodontal ligament and bone, leading to bone resorption and tooth ankylosis [29][30][31].…”

Section: Discussionmentioning

confidence: 99%

“…A temperature increase by 10 • C for 60 s on the outer root surfaces can cause irreversible damage to the periodontal ligament and bone, leading to bone resorption and tooth ankylosis [29][30][31]. A tissue temperature gradient (∆Ta) below 10 • C should be regarded as optimal and harmless [29][30][31][32][33][34]. To guarantee the safeness of the irradiated tissues as well as determine the predictability of treatment results, it is predominant to set the proper lasing parameters and treatment guidelines [29][30][31][32][33][34][35].…”

Section: Discussionmentioning

confidence: 99%

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Low-Level Laser Therapy with a 635 nm Diode Laser Affects Orthodontic Mini-Implants Stability: A Randomized Clinical Split-Mouth Trial

Flieger¹,

Gedrange

Grzech‐Leśniak

et al. 2019

JCM

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Background: The study aimed to clinically estimate an influence of a 635 nm diode laser on the stability of orthodontic mini-implants, to assess mini-implants loss, and to evaluate a pain level after the treatment. Materials and Methods: The randomized clinical split-mouth trial included 20 subjects (13 women and 7 men; age: 32.5 ± 6.1 years), 40 implants (RMO, West Colfax Ave., Denver, CO, USA) with a diameter 1.4 mm and length of 10 mm. Mini-implants were placed in the area of the attached gingiva between the second premolar and first molar teeth, 2 mm below the mucogingival junction of both sides of the maxilla. Each implant on the right side (G1, n = 20) of the maxilla was irradiated with a diode laser, and the implants on the opposite side (left, G2, n = 20) were a control group (without laser irradiation). The 635-nm laser parameters; dose: 10 J per point (20 J/cm2), time: 100 s per point, two points (irradiation on a buccal, and a palatal side of the alveolus/implant), the total energy per session 20 J. Laser application protocol: immediately and 3, 6, 9, 12, 15, and 30 days after surgery. The total energy after all therapeutic sessions was 140 J. The implants’ stability was measured employing a Periotest device (Periotest Test Value—PTV) immediately and 3, 6, 9, 12, 15, 30, and 60 days after the insertion of the mini-implants. Results: We found significantly higher secondary stability, lower mean PTV (6.18 ± 5.30) and (1.51 ± 2.25), for self-drilling mini-implants (G1, test group) in contrast to the control, G2 group (9.17 ± 8.25) and (5.00 ± 3.24), after 30 (p = 0.0003) and 60 days (p = 0.0000). Moreover, the analysis of the mini-implants stability after 635-nm diode laser application revealed significant higher stability in comparison with none irradiated implants (G2 group) after 3 days. (p = 0.0000) There was no significant difference in pain level measured on the NRS-11 scale on both sides of the maxilla. (p = 0.3665) An important finding was that all inserted mini-implants survived during a two-month observation period. Conclusions: 635-nm diode laser at laser irradiation increases the secondary stability of orthodontic mini-implants.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Low-Level Laser Therapy with a 635 nm Diode Laser Affects Orthodontic Mini-Implants Stability: A Randomized Clinical Split-Mouth Trial

Flieger¹,

Gedrange

Grzech‐Leśniak

et al. 2019

JCM

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“…Therefore, the pauses during the laser tissue irradiation seem to be a key factor in preventing thermal injury. 24 Janda et al, in their study of the assessment of thermal effects on ex-vivo muscle tissue by different medical laser systems (Ho:YAG -2080 nm, Nd:YAG -1064 nm and diode lasers -830 and 940 nm) operating in contact mode revealed large thermal damage at the surface of the tissue for the diode and Nd:YAG lasers. 25 The tissue specimens showed severe carbonization at the surface with only small adjacent coagulation areas after application of the diode laser in contact mode.…”

Section: Discussionmentioning

confidence: 99%

Effect of diode lasers with wavelength of 445 and 980 nm on a temperature rise when uncovering implants for second stage surgery - an ex-vivo study in pigs.

Matys¹,

Flieger²,

Dominiak³

2017

Adv Clin Exp Med

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“…In addition, complications such as damage to the supporting tissues due to overheating of the same can be associated with the use of the laser. As reported by several authors, at a temperature above 10 for more than a minute of treatment, damage to the alveolar bone and periodontal ligament can be found, with consequent ankylosis of the dental element and bone resorption [ 59 ].…”

Section: Discussionmentioning

confidence: 99%

Evaluation of the Effectiveness of the Use of the Diode Laser in the Reduction of the Volume of the Edematous Gingival Tissue after Causal Therapy

Polizzi

Tetè

Targa³

et al. 2020

IJERPH

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Aim: The aim of this study was to evaluate and compare two different techniques for the treatment of plaque-induced gingivitis, demonstrating whether the causal therapy supported by diode laser can allow a resolution of the edema caused by gingivitis in less time compared to the single traditional causal therapy. Materials and methods: Twenty-five patients between 20 and 60 years of age with a specific diagnosis of gingivitis were evaluated at the CLID-HSR oral hygiene department. Once the clinical parameters (bleeding index, plaque index, recession, and clinical attack level) were recorded, each of them was subjected to a professional oral hygiene session and instructed in correct home hygiene procedures. Through a split-mouth protocol for each individual patient, hemi-arches were treated by simple randomization to be treated with causal therapy supported by the action of the diode laser (experimental therapy) and which with traditional causal therapy (control therapy). A first intraoral scan was performed before therapy (T0), which was repeated 20 min after rinsing with CHX. The intraoral scans were repeated at a control 7 (T1) and 14 days (T2) after the session. For each intraoral scan, a volumetric value was calculated, proportional to the edema of the gingival tissues, using special digital software. The operator who carried out the volumetric measurements on the software was not aware of the therapy implemented on each half-arch. The operator who carried out the statistical analysis was not aware of the therapy applied to each group. The collected data were statistically compared in order to detect any differences between the volumetric variations between the two therapy groups and within the therapy groups over time. After evaluating the distribution of data by means of the Kolmogorov-Smirnov statistical test, the appropriate nonparametric tests were chosen to carry out the statistical comparisons. Results: Based on the analysis of the gingival-periodontal health parameters and the volumetric value of the treated areas, no statistically significant differences were detected between the areas treated with the adjuvant action of the diode laser compared to those treated with causal therapy alone. Conclusions: With the limitations of this study, in accordance with the statistical results obtained, diode laser therapy does not allow a faster resolution of gingival edema compared to traditional therapy; the two treatment techniques for plaque-induced gingivitis, therefore, have the same efficacy.

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Assessment of an Impact of a Diode Laser Mode with Wavelength of 980 nm on a Temperature Rise Measured by Means of k-02 Thermocouple: Preliminary Results

Cited by 20 publications

References 16 publications

Low-Level Laser Therapy with a 635 nm Diode Laser Affects Orthodontic Mini-Implants Stability: A Randomized Clinical Split-Mouth Trial

Low-Level Laser Therapy with a 635 nm Diode Laser Affects Orthodontic Mini-Implants Stability: A Randomized Clinical Split-Mouth Trial

Effect of diode lasers with wavelength of 445 and 980 nm on a temperature rise when uncovering implants for second stage surgery - an ex-vivo study in pigs.

Evaluation of the Effectiveness of the Use of the Diode Laser in the Reduction of the Volume of the Edematous Gingival Tissue after Causal Therapy

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