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Applications of Therapeutic Ultrasound in Dentistry
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Applications of Therapeutic Ultrasound in Dentistry

A special issue of Journal of Clinical Medicine (ISSN 2077-0383). This special issue belongs to the section "Dentistry, Oral Surgery and Oral Medicine".

Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 22117

Special Issue Editors

Prof. Dr. Eiji Tanaka

E-Mail Website
Guest Editor
Department of Orthodontics and Dentofacial Orthopedics, Tokushima University Graduate School of Biomedical Sciences, Tokushima 770-8504, Japan
Interests: biomechanics of temporomandibular joint; temporomandibular disorders; tissue engineering; therapeutic ultrasound; clinical orthodontics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Tarek El-Bialy

E-Mail Website
Guest Editor
7-020D Katz Group Centre for Pharmacy and Health Research, University of Alberta, Edmonton, AB T6G 2E1, Canada
Interests: orthodontics; biomechanics; therapeutic ultrasound; dental tissue engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Growing evidence suggests that low-intensity pulsed ultrasound (LIPUS) can promote bone repair and regeneration and accelerate bone fracture healing. It is generally accepted that LIPUS has no deleterious or carcinogenic effects. Recently, the effect of LIPUS on soft tissues also has received much attention.

This issue will focus on the therapeutic ultrasound application in dentistry, including orthodontics and dentofacial tissue engineeing. Oral and maxillofacial diseases affect millions of people around the world. Tooth decay, periodontal disease, dental pulp infection, and inflammatory root resorption can result in total or partial tooth loss and alveolar bone loss, and can seriously compromise human health and quality of life. In addition, osteoarthritis of the temporomandibular joint is characterized by deterioration of articular cartilage, which becomes soft, frayed, and thinned, resulting in condylar resorption and deformity. Except for surgical modalities, no treatment remedies of severe oral and maxillofacial diseases have been developed yet. Therefore, a cost-effective and safe adjuvant method to treat these diseases is urgently needed.

This Issue provides a comprehensive update on the therapeutic ultrasound application in oral and maxillofacial region. Then, the aim of this Issue is to develop a “good and safe as new” treatment remedy for dental patients.

It is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.

Prof. Dr. Eiji Tanaka
Prof. Dr. Tarek El-Bialy
Guest Editors

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. Journal of Clinical Medicine 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 2600 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

  • low-intensity pulsed ultrasound
  • noninvasive therapy
  • tooth decay
  • periodontal disease
  • bone fracture in craniofacial region
  • dental pulp infection
  • inflammatory root resorption
  • osteoarthritis of the temporomandibular joint
  • tissue engineering

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Published Papers (4 papers)

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Research

12 pages, 2375 KiB  
Article
Immediate Effect of Masticatory Muscle Activity with Transcutaneous Electrical Nerve Stimulation in Muscle Pain of Temporomandibular Disorders Patients
by Susumu Abe, Akane Miyagi, Kaoru Yoshinaga, Yoshizo Matsuka, Fumihiro Matsumoto, Emi Uyama, Yoshitaka Suzuki, Masamitsu Oshima, Kazuo Okura and Eiji Tanaka
J. Clin. Med. 2020, 9(10), 3330; https://doi.org/10.3390/jcm9103330 - 16 Oct 2020
Cited by 14 | Viewed by 4427
Abstract
Transcutaneous electrical nerve stimulation (TENS) is a non-invasive treatment modality for acute and chronic pain. However, little information for muscle activity is available on the immediate effects of TENS in masticatory muscle pain related to temporomandibular disorders (TMDs). The present study aimed to [...] Read more.
Transcutaneous electrical nerve stimulation (TENS) is a non-invasive treatment modality for acute and chronic pain. However, little information for muscle activity is available on the immediate effects of TENS in masticatory muscle pain related to temporomandibular disorders (TMDs). The present study aimed to evaluate the immediate effects of TENS treatment on TMD-related muscle pain. Thirty-six patients with TMD-related muscle pain and 39 healthy subjects served as TMD and control groups, respectively. For objective evaluations, maximum mouth opening, and maximum bite force were measured before and after TENS. The pain intensity was assessed according to a 100-mm visual analog scale (VAS). TENS was applied to painful muscles for 20 min with frequencies of 100–200 Hz. The treatment outcome was evaluated using Global Rating of Change (GRC) scales. In the TMD group, VAS values significantly decreased after TENS. Although there was significant increase in the maximum mouth opening after TENS for only TMD group, the maximum bite force of both groups was significantly greater after TENS. According to GRC scales, one patient with TMD-related muscle pain expressed negative feelings after TENS. Conclusively, TENS treatment might quickly relieve pain in masticatory muscles and improve masticatory functions in patients with TMD-related muscle pain. Full article
(This article belongs to the Special Issue Applications of Therapeutic Ultrasound in Dentistry)
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11 pages, 947 KiB  
Article
Shortening of Overall Orthodontic Treatment Duration with Low-Intensity Pulsed Ultrasound (LIPUS)
by Harmanpreet Kaur and Tarek El-Bialy
J. Clin. Med. 2020, 9(5), 1303; https://doi.org/10.3390/jcm9051303 - 1 May 2020
Cited by 26 | Viewed by 6519
Abstract
The aim of this retrospective clinical study was to determine if there is a reduction in the overall treatment duration in orthodontic patients using low-intensity pulsed ultrasound (LIPUS) and Invisalign SmartTrack® clear aligners. Data were collected from the first thirty-four patients (9 males, [...] Read more.
The aim of this retrospective clinical study was to determine if there is a reduction in the overall treatment duration in orthodontic patients using low-intensity pulsed ultrasound (LIPUS) and Invisalign SmartTrack® clear aligners. Data were collected from the first thirty-four patients (9 males, 25 females; average age 41.37 ± 15.02) who finished their orthodontic treatment using an intraoral LIPUS device and Invisalign clear aligners in a private clinic. The LIPUS parameters used by patients at home for 20 min/day were: ultrasonic frequency 1.5 MHz, pulse duration 200µs, pulse repetition rate 1 kHz, and spatial average-temporal average intensity 30mW/cm2. A control group (11 males, 23 females; average age 31.36 ± 14.41) matching for the same malocclusions was randomly selected from finished treatment cases of the same clinician. The date of first Invisalign attachment placement and first use of LIPUS application was recorded as T0, and the date of retainer delivery was recorded as T1. The treatment duration (T1–T0) and treatment reduction percentage with LIPUS device were collected and analyzed using two-sample t-test in Microsoft Excel. Treatment duration was significantly reduced in the LIPUS group (541.44 ± 192.23 days) compared to control group (1061.05 ± 455.64 days) (p < 0.05). The LIPUS group showed on average 49% reduction in the overall treatment time as compared to the control group. The average compliance of the patients using LIPUS was 66.02%. Patients who used LIPUS showed a clinically significant reduction in the overall orthodontic treatment duration compared to the control group who used Invisalign clear aligners only. Full article
(This article belongs to the Special Issue Applications of Therapeutic Ultrasound in Dentistry)
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13 pages, 1115 KiB  
Article
High-Frequency Near-Infrared Diode Laser Irradiation Attenuates IL-1β-Induced Expression of Inflammatory Cytokines and Matrix Metalloproteinases in Human Primary Chondrocytes
by Shuzo Sakata, Ryo Kunimatsu, Yuji Tsuka, Ayaka Nakatani, Tomoka Hiraki, Hidemi Gunji, Naoto Hirose, Makoto Yanoshita, Nurul Aisyah Rizky Putranti and Kotaro Tanimoto
J. Clin. Med. 2020, 9(3), 881; https://doi.org/10.3390/jcm9030881 - 24 Mar 2020
Cited by 17 | Viewed by 4087
Abstract
High-frequency near-infrared diode laser provides a high-peak output, low-heat accumulation, and efficient biostimulation. Although these characteristics are considered suitable for osteoarthritis (OA) treatment, the effect of high-frequency near-infrared diode laser irradiation in in vitro or in vivo OA models has not yet been [...] Read more.
High-frequency near-infrared diode laser provides a high-peak output, low-heat accumulation, and efficient biostimulation. Although these characteristics are considered suitable for osteoarthritis (OA) treatment, the effect of high-frequency near-infrared diode laser irradiation in in vitro or in vivo OA models has not yet been reported. Therefore, we aimed to assess the biological effects of high-frequency near-infrared diode laser irradiation on IL-1β-induced chondrocyte inflammation in an in vitro OA model. Normal Human Articular Chondrocyte-Knee (NHAC-Kn) cells were stimulated with human recombinant IL-1β and irradiated with a high-frequency near-infrared diode laser (910 nm, 4 or 8 J/cm2). The mRNA and protein expression of relevant inflammation- and cartilage destruction-related proteins was analyzed. Interleukin (IL) -1β treatment significantly increased the mRNA levels of IL-1β, IL-6, tumor necrosis factor (TNF) -α, matrix metalloproteinases (MMP) -1, MMP-3, and MMP-13. High-frequency near-infrared diode laser irradiation significantly reduced the IL-1β-induced expression of IL-1β, IL-6, TNF-α, MMP-1, and MMP-3. Similarly, high-frequency near-infrared diode laser irradiation decreased the IL-1β-induced increase in protein expression and secreted levels of MMP-1 and MMP-3. These results highlight the therapeutic potential of high-frequency near-infrared diode laser irradiation in OA. Full article
(This article belongs to the Special Issue Applications of Therapeutic Ultrasound in Dentistry)
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14 pages, 1215 KiB  
Article
Effect of Low Intensity Pulsed Ultrasound (LIPUS) on Tooth Movement and Root Resorption: A Prospective Multi-Center Randomized Controlled Trial
by Tarek El-Bialy, Khaled Farouk, Terry D. Carlyle, William Wiltshire, Robert Drummond, Tim Dumore, Kevin Knowlton and Bryan Tompson
J. Clin. Med. 2020, 9(3), 804; https://doi.org/10.3390/jcm9030804 - 16 Mar 2020
Cited by 32 | Viewed by 6327
Abstract
The aim of this study was to evaluate the possible effect of low intensity pulsed ultrasound (LIPUS) on tooth movement and root resorption in orthodontic patients. Twenty-one patients were included in a split-mouth study design (group 1). Ten additional patients were included with [...] Read more.
The aim of this study was to evaluate the possible effect of low intensity pulsed ultrasound (LIPUS) on tooth movement and root resorption in orthodontic patients. Twenty-one patients were included in a split-mouth study design (group 1). Ten additional patients were included with no LIPUS device being used and this group was used as the negative control group (group 2). Group 1 patients were given LIPUS devices that were randomly assigned to right or left side on upper or lower arches. LIPUS was applied to the assigned side that was obtained by randomization, using transducers that produce ultrasound with a pulse frequency of 1.5 MHz, a pulse repetition rate of 1 kHz, and average output intensity of 30 mW/cm2. Cone-beam computed tomography (CBCT) images were taken before and after treatment. The extraction space dimensions were measured every four weeks and root lengths of canines were measured before and after treatment. The data were analyzed using paired t-test. The study outcome showed that the mean rate of tooth movement in LIPUS side was 0.266 ± 0.092 mm/week and on the control side was 0.232 ± 0.085 mm/week and the difference was statistically significant. LIPUS increased the rate of tooth movement by an average of 29%. For orthodontic root resorption, the LIPUS side (0.0092 ± 0.022 mm/week) showed a statistically significant decrease as compared to control side (0.0223 ± 0.022 mm/week). The LIPUS application accelerated tooth movement and minimized orthodontically induced tooth root resorption at the same time. Full article
(This article belongs to the Special Issue Applications of Therapeutic Ultrasound in Dentistry)
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