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Laser Applications in Dentistry and Medicine
Research Guide
What is Laser Applications in Dentistry and Medicine?
Laser applications in dentistry and medicine refer to the use of low-level laser therapy (LLLT) and photobiomodulation to promote wound healing, reduce inflammation, support neurological effects, enhance tissue repair, and stimulate cell proliferation in fields such as dentistry, neurorehabilitation, orthopedics, and dermatology.
This field encompasses 53,417 works on mechanisms and clinical efficacy of LLLT in biomedical applications. Key areas include mitochondrial signaling and therapeutic photobiomodulation in dental and medical contexts. Growth rate over the past five years is not available in the provided data.
Topic Hierarchy
Research Sub-Topics
Low-Level Laser Therapy Mechanisms
This sub-topic delves into cellular and molecular pathways of LLLT, including cytochrome c oxidase activation, ATP production, and reactive oxygen species signaling in photobiomodulation. Researchers model dose-response relationships and mitochondrial responses across wavelengths and fluences.
Photobiomodulation Wound Healing
This sub-topic covers clinical trials and preclinical studies on LLLT accelerating chronic wound closure, epithelialization, and collagen synthesis in diabetic ulcers and burns. Researchers assess biomarkers of inflammation reduction and angiogenesis in dermatological and surgical contexts.
Laser Therapy in Dentistry
This sub-topic examines LLLT for oral mucositis, periodontal regeneration, dentin hypersensitivity, and post-surgical pain in dental procedures. Researchers evaluate biostimulation effects on fibroblasts, antimicrobial photodynamic therapy, and long-term outcomes.
Photobiomodulation Neurorehabilitation
This sub-topic investigates transcranial LLLT for stroke recovery, traumatic brain injury, and neurodegenerative diseases via neuroprotection and neurogenesis. Researchers use fMRI and EEG to study cognitive and motor improvements in clinical trials.
Laser Tissue Repair Orthopedics
This sub-topic focuses on LLLT for tendon/ligament healing, osteoarthritis pain relief, and muscle recovery in sports medicine. Researchers analyze anti-inflammatory effects, biomechanical outcomes, and combination with exercise therapies.
Why It Matters
Laser applications enable selective damage to targeted tissues without affecting surrounding areas, as shown in "Selective Photothermolysis: Precise Microsurgery by Selective Absorption of Pulsed Radiation" where Anderson and Parrish (1983) demonstrated that brief pulses of optical radiation exploit inherent optical and thermal properties for precise microsurgery (3392 citations). In dentistry and medicine, LLLT supports wound healing and inflammation reduction, with Chung et al. (2011) detailing its nuts and bolts in "The Nuts and Bolts of Low-level Laser (Light) Therapy," covering applications in tissue repair and cell proliferation (1513 citations). Freitas de Freitas and Hamblin (2016) outlined mechanisms in "Proposed Mechanisms of Photobiomodulation or Low-Level Light Therapy," aiding clinical use in neurorehabilitation and orthopedics (1467 citations). Welch and van Gemert (2011) analyzed optical-thermal responses in "Optical-Thermal Response of Laser-Irradiated Tissue," informing safe dosing in dental procedures (1401 citations).
Reading Guide
Where to Start
"The Nuts and Bolts of Low-level Laser (Light) Therapy" by Chung et al. (2011) provides a foundational overview of LLLT principles and biomedical applications, making it the ideal starting point for understanding mechanisms in dentistry and medicine.
Key Papers Explained
Chung et al. (2011) in "The Nuts and Bolts of Low-level Laser (Light) Therapy" establishes core LLLT concepts, which Freitas de Freitas and Hamblin (2016) build upon in "Proposed Mechanisms of Photobiomodulation or Low-Level Light Therapy" by detailing molecular pathways. Anderson and Parrish (1983) in "Selective Photothermolysis: Precise Microsurgery by Selective Absorption of Pulsed Radiation" provides the historical basis for selective targeting, while Welch and van Gemert (2011) in "Optical-Thermal Response of Laser-Irradiated Tissue" extends this to thermal modeling. Vertucci (1984) in "Root canal anatomy of the human permanent teeth" connects to dental specifics.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current frontiers focus on unresolved mechanisms from Freitas de Freitas and Hamblin (2016), such as full elucidation of cellular and tissular actions in neurorehabilitation. No recent preprints or news are available, so emphasis remains on integrating optical-thermal models from Welch and van Gemert (2011) with clinical dental applications like those informed by Vertucci (1984).
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Selective Photothermolysis: Precise Microsurgery by Selective ... | 1983 | Science | 3.4K | ✕ |
| 2 | Generation of Optical Harmonics | 1961 | Physical Review Letters | 3.1K | ✓ |
| 3 | Review of bioactive glass: From Hench to hybrids | 2012 | Acta Biomaterialia | 2.3K | ✕ |
| 4 | Root canal anatomy of the human permanent teeth | 1984 | Oral Surgery Oral Medi... | 2.1K | ✕ |
| 5 | The biology of platelet-derived growth factor | 1986 | Cell | 2.0K | ✕ |
| 6 | The Nuts and Bolts of Low-level Laser (Light) Therapy | 2011 | Annals of Biomedical E... | 1.5K | ✓ |
| 7 | Proposed Mechanisms of Photobiomodulation or Low-Level Light T... | 2016 | IEEE Journal of Select... | 1.5K | ✓ |
| 8 | Optical-Thermal Response of Laser-Irradiated Tissue | 2011 | — | 1.4K | ✕ |
| 9 | Methods for Collecting Saliva | 1993 | Annals of the New York... | 1.4K | ✓ |
| 10 | Effects of Dispersion and Focusing on the Production of Optica... | 1962 | Physical Review Letters | 1.3K | ✕ |
Frequently Asked Questions
What is selective photothermolysis in laser applications?
Selective photothermolysis uses brief pulses of selectively absorbed optical radiation to cause damage to pigmented structures, cells, and organelles in vivo. Precise aiming is unnecessary because inherent optical and thermal properties provide target selectivity. Anderson and Parrish (1983) introduced this in their highly cited paper with 3392 citations.
How does low-level laser therapy function?
Low-level laser (light) therapy, or photobiomodulation, operates through mechanisms involving mitochondrial signaling and cell proliferation. Chung et al. (2011) explained its fundamentals in "The Nuts and Bolts of Low-level Laser (Light) Therapy," covering therapeutic effects in wound healing and inflammation (1513 citations). It applies to dentistry and medicine for tissue repair.
What are the proposed mechanisms of photobiomodulation?
Photobiomodulation mechanisms include molecular, cellular, and tissular processes clarified in recent years. Freitas de Freitas and Hamblin (2016) proposed these in "Proposed Mechanisms of Photobiomodulation or Low-Level Light Therapy," noting its 50-year history and growing acceptance (1467 citations). Effects target inflammation reduction and neurological outcomes.
What is the optical-thermal response in laser-irradiated tissue?
The optical-thermal response describes how laser-irradiated tissue reacts to light absorption and heat generation. Welch and van Gemert (2011) detailed this in "Optical-Thermal Response of Laser-Irradiated Tissue," essential for medical and dental laser safety (1401 citations). It guides applications in precise tissue targeting.
What are key dental applications of lasers?
Lasers in dentistry support root canal procedures and tissue repair via LLLT. Vertucci (1984) mapped root canal anatomy in "Root canal anatomy of the human permanent teeth," informing laser use (2069 citations). Photobiomodulation aids inflammation reduction and healing in oral surgery.
Open Research Questions
- ? What are the precise molecular pathways of mitochondrial signaling in photobiomodulation for neurological effects?
- ? How can selective photothermolysis parameters be optimized for dental tissue repair without collateral damage?
- ? What factors limit clinical efficacy of LLLT in orthopedics and dermatology?
- ? How do dispersion and focusing influence laser harmonics production in medical applications?
- ? What tissular mechanisms underlie inflammation reduction in wound healing via low-level lasers?
Recent Trends
The field maintains 53,417 works with no specified five-year growth rate.
Top papers like Chung et al. (2011, 1513 citations) and Freitas de Freitas and Hamblin (2016, 1467 citations) continue to drive focus on photobiomodulation mechanisms.
No recent preprints or news coverage in the last 12 months indicate steady reliance on established works such as Anderson and Parrish (1983, 3392 citations).
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