Editorial Board Members’ Collection Series: Laser in Periodontology, Implantology and Prevention

A special issue of Dentistry Journal (ISSN 2304-6767). This special issue belongs to the section "Lasers in Dentistry".

Deadline for manuscript submissions: 31 August 2025 | Viewed by 5112

Special Issue Editors


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Guest Editor
Faculty of Medicine and Health Sciences, University of Barcelona, 08907 Barcelona, Spain
Interests: lasers in dentistry; photobiomodulation; oral surgery; implantology; prosthesis; endodontics; dental anesthesia
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Guest Editor
Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo 113-8510, Japan
Interests: periodontology; laser dentistry; laser surgery
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to announce this Special Issue titled “Editorial Board Members’ Collection Series: Laser in Periodontology, Implantology and Prevention”.

The aim is to provide a venue for networking and communication between Dentistry Journal and scholars in the field of laser in periodontology, implantology, and prevention. All papers will be fully open access upon publication after peer review.

Feel free to contact the Managing Editor Ms. Adele Min (adele.min@mdpi.com) or our editorial office (dentistry@mdpi.com) if you have any requests.

We look forward to receiving your excellent work.

Prof. Dr. Josep Arnabat-Domínguez
Prof. Dr. Akira Aoki
Guest Editors

Manuscript Submission Information

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Published Papers (3 papers)

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Research

11 pages, 661 KiB  
Article
Histological Evaluation of Oral Soft Tissue Biopsy by Dual-Wavelength Diode Laser: An Ex Vivo Study
by Daniele Pergolini, Alessandro Del Vecchio, Mohamed Mohsen, Veronica Cerullo, Cinzia Angileri, Eduardo Troiani, Paolo Visca, Barbara Antoniani, Umberto Romeo and Gaspare Palaia
Dent. J. 2025, 13(6), 265; https://doi.org/10.3390/dj13060265 - 13 Jun 2025
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Abstract
Background: Diode lasers are valuable in oral surgery due to their excellent hemostasis, minimum post-operative pain, and minimally invasive procedures. A dual-wavelength diode laser in dentistry combines two distinct wavelengths, typically 450 nm and 808 nm, to provide a versatile approach to soft [...] Read more.
Background: Diode lasers are valuable in oral surgery due to their excellent hemostasis, minimum post-operative pain, and minimally invasive procedures. A dual-wavelength diode laser in dentistry combines two distinct wavelengths, typically 450 nm and 808 nm, to provide a versatile approach to soft tissue procedures. This ex vivo study investigated the quantity of thermal effects of a dual-wavelength diode laser on porcine lingual mucosa to determine the optimal laser parameters for oral soft tissue biopsies and to improve the reliability of histological evaluation. The presence of thermal damage in the prelesional margins may compromise the diagnostic accuracy, particularly in cases of suspected malignancy. Methods: Thirty-six porcine lingual mucosa samples were excised using a diode laser (Wiser 3, Doctor Smile) in continuous wave (CW) and pulsed wave (PW) modes at average powers of 2, 3, and 4 W. The samples, preserved in 5% buffered formalin, underwent histological evaluation to measure epithelial and connective tissue damage. Results: The study demonstrated variable thermal effects depending on the laser mode and power settings. Minimal epithelial damage (0.62 mm) was observed at 2 W CW, while maximum damage (3.12 mm) occurred at 4 W pulsed wave (PW). Connective tissue exhibited slightly greater damage than epithelial tissue, with minimal damage (0.53 mm) at 4 W CW and maximum damage (3.19 mm) at 4 W pulsed wave (PW). Statistical analyses were performed using t-tests and ANOVA and revealed significant differences in tissue damage between certain groups, highlighting the impact of laser parameters on thermal effects. Conclusions: The dual-wavelength diode laser seems to have good surgical properties and is suitable for managing complex clinical cases. Although the low power average showed minimal thermal damage, for the importance of the diagnosis of suspected lesions of malignancy, a 2 mm prelesional margin should be maintained. Full article
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13 pages, 3072 KiB  
Article
SEM Evaluation of Thermal Effects Produced by a 445 nm Laser on Implant Surfaces
by Daniele Pergolini, Gaspare Palaia, Riccardo De Angelis, Federica Rocchetti, Gian Marco Podda, Gianluca Tenore, Alessandro Del Vecchio, Michela Relucenti and Umberto Romeo
Dent. J. 2023, 11(6), 148; https://doi.org/10.3390/dj11060148 - 7 Jun 2023
Cited by 3 | Viewed by 1785
Abstract
The aim of this in vitro study was to evaluate thermal effects on implant surfaces using a 445 nm diode laser (Eltech K-Laser Srl, Treviso, Italy) with different power settings and irradiation modalities. Fifteen new implants (Straumann, Basel, Switzerland) were irradiated to evaluate [...] Read more.
The aim of this in vitro study was to evaluate thermal effects on implant surfaces using a 445 nm diode laser (Eltech K-Laser Srl, Treviso, Italy) with different power settings and irradiation modalities. Fifteen new implants (Straumann, Basel, Switzerland) were irradiated to evaluate surface alteration. Each implant was divided into two zones: the anterior and posterior areas. The anterior coronal areas were irradiated with a distance of 1 mm between the optical fiber and the implant; the anterior apical ones were irradiated with the fiber in contact with the implant. Instead, the posterior surfaces of all of the implants were not irradiated and used as control surfaces. The protocol comprised two cycles of laser irradiation, lasting 30 s each, with a one-minute pause between them. Different power settings were tested: a 0.5 W pulsed beam (T-on 25 ms; T-off 25 ms), a 2 W continuous beam and a 3 W continuous beam. Lastly, through a scanning electron microscopy (SEM) analysis, dental implants’ surfaces were evaluated to investigate surface alterations. No surface alterations were detected using a 0.5 W laser beam with a pulsed mode at a distance of 1 mm. Using powers of irradiation of 2 W and 3 W with a continuous mode at 1 mm from the implant caused damage on the titanium surfaces. After the irradiation protocol was changed to using the fiber in contact with the implant, the surface alterations increased highly compared to the non-contact irradiation modality. The SEM results suggest that a power of irradiation of 0.5 W with a pulsed laser light emission mode, using an inactivated optical fiber placed 1 mm away from the implant, could be used in the treatment of peri-implantitis, since no implant surface alterations were detected. Full article
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11 pages, 934 KiB  
Article
Comparative Study of Transmission of 2940 nm Wavelength in Six Different Aesthetic Orthodontic Brackets
by Mohammad Khare Zamzam, Omar Hamadah, Toni Espana-Tost and Josep Arnabat-Dominguez
Dent. J. 2023, 11(3), 67; https://doi.org/10.3390/dj11030067 - 1 Mar 2023
Viewed by 2188
Abstract
Background: Previous studies have confirmed the superiority of using erbium lasers (2940, 2780 nm) over other lasers in the debonding of ceramic brackets due to their safety and effectiveness. The most important factor in the debonding of aesthetic brackets is the transmission of [...] Read more.
Background: Previous studies have confirmed the superiority of using erbium lasers (2940, 2780 nm) over other lasers in the debonding of ceramic brackets due to their safety and effectiveness. The most important factor in the debonding of aesthetic brackets is the transmission of the erbium laser through the aesthetic bracket to the adhesive resin. Objective: To identify the transmission of the 2940 nm wavelength through different types of aesthetic brackets. Materials and methods: A total of 60 aesthetic brackets were divided into six equal groups (10 monocrystalline sapphire brackets—Radiance, AO; 10 monocrystalline sapphire brackets—Absolute, Star Dentech; 10 polycrystalline brackets—20/40, AO; 10 polycrystalline brackets—3M Unitek Gemini Clear Ceramic; 10 silicon brackets—Silkon Plus, AO; 10 composite brackets—Orthoflex, OrthoTech). The aesthetic brackets were mounted in a Fourier transform infrared spectrophotometer (FTIR IRPrestige-21, SHIMADZU) following the typical spectroscopy lab procedure for such samples. The transmission ratio for the 2940 nm wavelength was obtained using IRsolution software. The mean transmission values of the tested groups were compared using a one-way analysis of variance (ANOVA) test followed by a Bonferroni test (post-hoc test). Results: The highest transmission ratio was observed for the Radiance sapphire brackets (64.75%) and the lowest was observed for the 3M polycrystalline brackets (40.48%). The differences among the Aesthetic brackets were significant (p < 0.05). Conclusions: The thick polycrystalline and composite brackets have the lowest transmissibility, whereas the monocrystalline sapphire brackets have the highest transmissibility for the 2940 nm wavelength, meaning that there is a higher possibility of debonding them with a hard tissue laser through thermal ablation. Full article
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