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Applied Sciences
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New Advances in Laser Dental Science and Biophotonics
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New Advances in Laser Dental Science and Biophotonics

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 3171

Special Issue Editor

Prof. Dr. Georgios E. Romanos

E-Mail Website
Guest Editor
Department of Periodontics and Endodontics, School of Dental Medicine, Stony Brook University, 106 Rockland Hall, Stony Brook, NY 11794-8700, USA
Interests: peri-implantitis; lasers; advances in material research; bone regeneration; materials; periodontal regeneration
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue "New Advances in Laser Dental Science and Biophotonics" provides a forum for the publication of papers on the technical, experimental, and clinical aspects of the use of dental lasers, including lasers in operative dentistry, cariology, periodontology, endodontics, implantology, prosthodontics, orthodontics, aesthetic dentistry, and oral surgery. In addition, this Special Issue will publish papers on the dental application of new lasers, basic laser–tissue interactions, laser safety, photobiomodulation, photodynamic therapy, low-level laser therapy, photodiagnostics, temporomandibular joint and muscle disorders, and TMJ pain management.

Additionally, the latest breakthroughs and innovations in various cutting-edge biophotonic imaging techniques and their applications in biomedicine are welcomed. This collection of research articles brings together the most current developments in optical coherence tomography (OCT), optical coherence microscopy (OCM), photoacoustic tomography (PAT), photoacoustic microscopy (PAM), and fluorescence microscopy (FM). Additionally, the integration of machine learning into biomedicine will be explored to demonstrate its potential in advancing the capabilities of biophotonics.

We extend our sincere gratitude to all the contributing authors for their exceptional contributions to this Special Issue, and we hope this collection will serve as a valuable resource for researchers and practitioners in the field of laser dental science and biophotonics.

Thank you all for your support and dedication to advancing the frontiers of knowledge in this fascinating domain.

Prof. Dr. Georgios E. Romanos
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • optical coherence microscopy
  • biomedical imaging
  • biophotonics
  • photobiomodulation
  • dentistry
  • laser–tissue interactions
  • laser safety

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Published Papers (3 papers)

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Research

12 pages, 5622 KiB  
Article
Comparative Evaluation of Laser System to Conventional Surgical Approaches in Periodontal Healing Using Optical Coherence Tomography
by Jun-Hyeong Park, Keun-Ba-Da Son, Young-Tak Son, Yong-Gun Kim, Sung-Min Hwang, Jun-Ho Hwang, Jong-Hoon Lee, Hyun-Deok Kim, Kyu-Bok Lee and Jae-Mok Lee
Appl. Sci. 2024, 14(19), 8854; https://doi.org/10.3390/app14198854 - 2 Oct 2024
Viewed by 561
Abstract
Background: Optical coherence tomography (OCT) is an emerging, radiation-free diagnostic tool in dentistry, providing high-resolution, real-time imaging of both hard and soft tissues, including periodontal areas, for more accurate postoperative evaluations. This study aims to investigate the efficacy of OCT on periodontal tissues [...] Read more.
Background: Optical coherence tomography (OCT) is an emerging, radiation-free diagnostic tool in dentistry, providing high-resolution, real-time imaging of both hard and soft tissues, including periodontal areas, for more accurate postoperative evaluations. This study aims to investigate the efficacy of OCT on periodontal tissues in animals by comparing the healing effects of laser therapy with those of conventional surgical instruments. Methods: Six rabbits underwent periodontal surgery using a laser, scalpel, and punch to perform an apically positioned flap on the mandibular anterior incisors and to create a tongue ulcer on the dorsal surface of the tongue. Visual and OCT evaluations were conducted on days 1, 2, 3, 7, and 14. Results: In periodontal surgery, the laser exhibited slightly faster healing compared to other methods. In tongue ulcer formation, the scalpel and punch groups demonstrated slightly faster healing than that of the laser. However, both methods ultimately showed similar healing outcomes. Conclusions: In the dental field, OCT is emerging as a valuable tool for assessing healing, including early stages of healing, in periodontal therapy. Full article
(This article belongs to the Special Issue New Advances in Laser Dental Science and Biophotonics)
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14 pages, 3615 KiB  
Article
Properties of Zirconia, Lithium Disilicate Glass Ceramics, and VITA ENAMIC® Hybrid Ceramic Dental Materials Following Ultra-Short Femtosecond (30 fs) Laser Irradiation
by Victor L. Lagunov, Bakhtiar Ali, Laurence J. Walsh, Andrew B. Cameron, Igor V. Litvinyuk, Maksym Rybachuk and Roy George
Appl. Sci. 2024, 14(17), 7641; https://doi.org/10.3390/app14177641 - 29 Aug 2024
Viewed by 916
Abstract
This study investigated the dose-dependent changes in the chemical composition of three dental ceramic materials—zirconia, lithium disilicate (LD), and VITA ENAMIC® hybrid composite (VITA En)—following irradiation with an ultra-short femtosecond (fs) laser (800 nm, 30 fs, 1 kHz) [...] Read more.
This study investigated the dose-dependent changes in the chemical composition of three dental ceramic materials—zirconia, lithium disilicate (LD), and VITA ENAMIC® hybrid composite (VITA En)—following irradiation with an ultra-short femtosecond (fs) laser (800 nm, 30 fs, 1 kHz) in an ambient air environment using average laser power (76 mW) and scanning speeds (50, 100, and 200 mm/s), simulating dental treatment processes. The chemical composition of the ablated regions was analyzed using energy dispersive spectroscopy. All irradiated samples showed increased carbon content (by up to 42%) and reduced oxygen (by up to 33%). The observed increase in C content is likely attributed to a combination of surface reactions, adsorption of carbon from the ambient environment, and carbon deposition from the laser-induced plasma, all facilitated by the high-energy conditions created by fs-laser pulses. Scanning electron microscopy revealed ablation with progressive controlled melting and recrystallization, with an absence of pile-up features typically associated with significant thermal damage. These findings demonstrate that ultra-short fs-laser irradiation induces highly controlled, dose-dependent changes in the chemical composition and surface morphology of dental ceramic materials. Full article
(This article belongs to the Special Issue New Advances in Laser Dental Science and Biophotonics)
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11 pages, 1077 KiB  
Article
Photobiomodulation Effect of Different Diode Wavelengths on the Proliferation of Human Buccal Fat Pad Mesenchymal Cells
by Ardavan Etemadi, Koosha Khajehmougahi, Luca Solimei, Stefano Benedicenti and Nasim Chiniforush
Appl. Sci. 2024, 14(2), 847; https://doi.org/10.3390/app14020847 - 19 Jan 2024
Viewed by 1287
Abstract
This study aimed to determine the most effective wavelength for the proliferation of Human Buccal Fat Pad Mesenchymal Stem Cells (BFPMSCs) in cell culture. These cells can be used for different purposes such as regenerative periodontal procedures. Materials and Methods: The wells containing [...] Read more.
This study aimed to determine the most effective wavelength for the proliferation of Human Buccal Fat Pad Mesenchymal Stem Cells (BFPMSCs) in cell culture. These cells can be used for different purposes such as regenerative periodontal procedures. Materials and Methods: The wells containing BFPMSCs were subjected to laser irradiation at 635, 660, 808, and 980 nm wavelengths with 1, 1.5, 2.5, and 4 J/cm2 energy densities. Cell proliferation and viability were evaluated after 1, 3, and 5 days with the methyl thiazolyl tetrazolium (MTT) assay. Result: The proliferation rate of human Buccal Fat Pad Mesenchymal Cells (BFPMSCs) was increased on the first and third days at a wavelength of 808 nm and day five at a wavelength of 980 nm in comparison to the control group. Our findings distinguished that PBMT with 635, 660, 808, and 980 nm wavelengths increased the proliferation of BFPMSCs. Conclusion: The best laser radiation setting, which led to the highest proliferation rate of the cells, included a wavelength of 808 nm with 2.5 J/cm2 energy density. Full article
(This article belongs to the Special Issue New Advances in Laser Dental Science and Biophotonics)
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