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Kresse-Walczak K, Meissner H, Mauer R, Trips E, Boening K. Evaluation of a protocol to assess a novel artificial biofilm equivalent for dentures-A prospective clinical pilot study. Gerodontology 2024; 41:368-375. [PMID: 37665947 DOI: 10.1111/ger.12715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/24/2023] [Indexed: 09/06/2023]
Abstract
OBJECTIVES This pilot study aimed to carry out preliminary tests of the removability of an artificial biofilm equivalent (ABE) and to verify the reproducibility of the ABE testing protocol for a planned main study. BACKGROUND There is a lack of data to develop suitable artificial biofilm substitutes, which may be helpful to perform denture hygiene education and to carry out in vitro examinations of oral hygiene products. MATERIALS AND METHODS This single-group, prospective, longitudinal, interventional pilot study was conducted in Dresden (Germany) from February until December 2020. Participants were recruited who wore fully functional upper complete dentures. Denture biofilm was grown on acrylic specimens by wearing dentures for 12 h and 36 h using intraoral appliances. Acrylic specimens were coated with ABEs of three compositions: chitosan (ChS) 0.3 g, methylcellulose (MC) 1.7 g; ChS 0.2 g, MC 1.8 g; ChS 0.1 g, MC 1.9 g (labelled 1.7MC, 1.8MC and 1.9MC, respectively). All specimens underwent standardised mechanical brushing. The percentages of remaining biofilm (POB) were measured. RESULTS Thirty-one participants were prescreened, and eight (26%) were included. The appliances were well tolerated, and biofilm was collected. ABE was prepared and brushed as planned. Three and six brushing strokes were needed to remove 12-h and 36-h natural denture biofilm, respectively. Correspondingly, three brushing strokes were needed to remove 1.9MC ABE and six brushing strokes to remove 1.8MC and 1.7MC ABE. A reproducibility of ABE removal was indicated. CONCLUSION The removability of ABE and the ABE testing protocol were feasible and reproducible for conducting the future main study.
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Affiliation(s)
- Katarzyna Kresse-Walczak
- Department of Prosthodontics, Carl Gustav Carus Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Heike Meissner
- Department of Prosthodontics, Carl Gustav Carus Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - René Mauer
- Institute for Medical Informatics and Biometry (IMB), Carl Gustav Carus Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Evelyn Trips
- Coordination Centre for Clinical Trials, Carl Gustav Carus Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Klaus Boening
- Department of Prosthodontics, Carl Gustav Carus Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
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Langa GPJ, Muniz FWMG, Wagner TP, Silva CFE, Rösing CK. ANTI-PLAQUE AND ANTI-GINGIVITIS EFFICACY OF DIFFERENT BRISTLE STIFFNESS AND END-SHAPE TOOTHBRUSHES ON INTERPROXIMAL SURFACES: A SYSTEMATIC REVIEW WITH META-ANALYSIS. J Evid Based Dent Pract 2021; 21:101548. [PMID: 34391550 DOI: 10.1016/j.jebdp.2021.101548] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 02/25/2021] [Accepted: 03/06/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE This systematic review aimed to evaluate the efficacy of interproximal plaque scores and gingival inflammation reduction of different toothbrush bristle stiffness and end-shape. METHODS Randomized clinical trials evaluating the effect of different toothbrushes on interproximal plaque/gingivitis reduction, with a minimum follow-up of 1 week. MEDLINE-PubMed, Scopus and Embase were searched. Soft tapered-tip bristle toothbrushes were compared to soft end-rounded, medium (any end-shape), or hard (any end-shape) bristle toothbrushes. Two meta-analyses were performed for plaque and gingivitis reduction. For plaque index (PI) and gingival index (GI), a standard mean difference (SMD) and mean difference between baseline and 4 weeks were calculated, respectively. In all analyses, random effect models were used. RESULTS Nine studies were included. All included studies demonstrated statistically significant improvement, in at least one parameter, in favor of the tapered-tip bristle toothbrush compared to the end-rounded bristle toothbrush. When analyzing toothbrush stiffness, medium and hard toothbrushes presented significantly higher improvement when compared to soft toothbrushes in all parameters. In the meta-analyses, groups that used soft tapered-tip bristle toothbrushes demonstrated significant greater reductions in PI (SMD -2.64; 95% CI: -4.26 - -1.01) and in GI (MD -0.14; 95% CI: -0.18 - -0.10) when compared to soft end-rounded bristle toothbrushes. CONCLUSION It is concluded that, when considering interproximal surfaces, better results may be expected for tapered-tip bristle toothbrushes when compared to end-rounded bristles toothbrushes. Additionally, better results may be expected in medium or hard toothbrushes, regardless of the bristle end-shape, in non-interproximal cleaners.
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Affiliation(s)
- Gerson Pedro José Langa
- PhD student at Department of Periodontology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Tassiane Panta Wagner
- Department of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Caroline Fernandes E Silva
- PhD student at Department of Periodontology, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - Cassiano Kuchenbecker Rösing
- Department of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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Nomura Y, Morozumi T, Saito A, Yoshimura A, Kakuta E, Suzuki F, Nishimura F, Takai H, Kobayashi H, Noguchi K, Takahashi K, Tabeta K, Umeda M, Minabe M, Fukuda M, Sugano N, Hanada N, Yoshinari N, Sekino S, Takashiba S, Sato S, Nakamura T, Sugaya T, Nakayama Y, Ogata Y, Numabe Y, Nakagawa T. Prospective Longitudinal Changes in the Periodontal Inflamed Surface Area Following Active Periodontal Treatment for Chronic Periodontitis. J Clin Med 2021; 10:jcm10061165. [PMID: 33802109 PMCID: PMC7998532 DOI: 10.3390/jcm10061165] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 02/27/2021] [Accepted: 03/08/2021] [Indexed: 12/13/2022] Open
Abstract
Periodontal disease is a chronic inflammatory disease of the periodontal tissue. The periodontal inflamed surface area (PISA) is a proposed index for quantifying the inflammatory burden resulting from periodontitis lesions. This study aimed to investigate longitudinal changes in the periodontal status as evaluated by the PISA following the active periodontal treatment. To elucidate the prognostic factors of PISA, mixed-effect modeling was performed for clinical parameters, tooth-type, and levels of periodontal pathogens as independent variables. One-hundred-twenty-five patients with chronic periodontitis who completed the active periodontal treatment were followed-up for 24 months, with evaluations conducted at 6-month intervals. Five-times repeated measures of mean PISA values were 130+/−173, 161+/−276, 184+/−320, 175+/−417, and 209+/−469 mm2. Changes in clinical parameters and salivary and subgingival periodontal pathogens were analyzed by mixed-effect modeling. Plaque index, clinical attachment level, and salivary levels of Porphyromonas gingivalis were associated with changes in PISA at the patient- and tooth-level. Subgingival levels of P. gingivalis and Prevotella intermedia were associated with changes in PISA at the sample site. For most patients, changes in PISA were within 10% of baseline during the 24-month follow-up. However, an increase in the number of bleeding sites in a tooth with a deep periodontal pocket increased the PISA value exponentially.
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Affiliation(s)
- Yoshiaki Nomura
- Department of Translational Research, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan; (Y.N.); (N.H.)
| | - Toshiya Morozumi
- Division of Periodontology, Department of Oral Interdisciplinary Medicine, Graduate School of Dentistry, Kanagawa Dental University, Yokosuka 238-8580, Japan;
- Correspondence: ; Tel.: +81-46-822-8855
| | - Atsushi Saito
- Department of Periodontology, Tokyo Dental College, Tokyo 101-0061, Japan;
| | - Atsutoshi Yoshimura
- Department of Periodontology and Endodontology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki 852-8588, Japan;
| | - Erika Kakuta
- Department of Oral Microbiology, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan;
| | - Fumihiko Suzuki
- Division of Dental Anesthesiology, Department of Oral Surgery, Ohu University School of Dentistry, Koriyama 963-8611, Japan;
| | - Fusanori Nishimura
- Section of Periodontology, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan;
| | - Hideki Takai
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo 271-8587, Japan; (H.T.); (Y.N.); (Y.O.)
| | - Hiroaki Kobayashi
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8510, Japan;
| | - Kazuyuki Noguchi
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8544, Japan; (K.N.); (T.N.)
| | - Keiso Takahashi
- Division of Periodontics, Department of Conservative Dentistry, Ohu University School of Dentistry, Koriyama 963-8611, Japan;
| | - Koichi Tabeta
- Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan;
| | - Makoto Umeda
- Department of Periodontology, Osaka Dental University, Hirakata 573-1121, Japan;
| | - Masato Minabe
- Division of Periodontology, Department of Oral Interdisciplinary Medicine, Graduate School of Dentistry, Kanagawa Dental University, Yokosuka 238-8580, Japan;
| | - Mitsuo Fukuda
- Department of Periodontology, School of Dentistry, Aichi Gakuin University, Nagoya 464-8650, Japan;
| | - Naoyuki Sugano
- Department of Periodontology, Nihon University School of Dentistry, Tokyo 101-8310, Japan;
| | - Nobuhiro Hanada
- Department of Translational Research, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan; (Y.N.); (N.H.)
| | - Nobuo Yoshinari
- Department of Periodontology, School of Dentistry, Matsumoto Dental University, Shiojiri 399-0781, Japan;
| | - Satoshi Sekino
- Department of Periodontology, School of Life Dentistry at Tokyo, The Nippon Dental University, Tokyo 102-8159, Japan; (S.S.); (Y.N.)
| | - Shogo Takashiba
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8525, Japan;
| | - Soh Sato
- Department of Periodontology, School of life Dentistry at Niigata, The Nippon Dental University, Niigata 951-8580, Japan;
| | - Toshiaki Nakamura
- Department of Periodontology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8544, Japan; (K.N.); (T.N.)
| | - Tsutomu Sugaya
- Division of Periodontology and Endodontology, Department of Oral Health Science, Hokkaido University Graduate School of Dental Medicine, Sapporo 060-8586, Japan;
| | - Yohei Nakayama
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo 271-8587, Japan; (H.T.); (Y.N.); (Y.O.)
| | - Yorimasa Ogata
- Department of Periodontology, Nihon University School of Dentistry at Matsudo, Matsudo 271-8587, Japan; (H.T.); (Y.N.); (Y.O.)
| | - Yukihiro Numabe
- Department of Periodontology, School of Life Dentistry at Tokyo, The Nippon Dental University, Tokyo 102-8159, Japan; (S.S.); (Y.N.)
| | - Taneaki Nakagawa
- Department of Dentistry and Oral Surgery, School of Medicine, Keio University, Tokyo 160-8582, Japan;
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Boes H, Brüstle S, Danesh G, Zimmer S, Bizhang M. Comparative in vitro study of the cleaning efficacy of AirFloss ultra and I-Prox Sulcus brushes in an orthodontic phantom model. Sci Rep 2021; 11:1921. [PMID: 33479418 PMCID: PMC7820349 DOI: 10.1038/s41598-021-81603-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 01/07/2021] [Indexed: 11/09/2022] Open
Abstract
Preventing biofilm-related risks such as gingivitis and white spot lesions during orthodontic treatments is very challenging. The cleaning efficiencies of AirFloss Ultra and I-Prox P sulcus brushes were evaluated using an orthodontic phantom model. After attaching brackets onto black-coated maxillary KaVo teeth, a plaque substitute was applied. The evaluated tooth surfaces were divided into two areas. Cleaning was performed with an AirFloss Ultra with two (A-2) or four (A-4) sprays or an I-Prox P for two (I-2) or four (I-4) seconds. Images before and after cleaning were digitally subtracted, and the percentage of fully cleaned surfaces was determined (Adobe Photoshop CS5, ImageJ). Statistical analysis was performed by ANOVA and post hoc tests with Bonferroni correction (SPSS 25, p < 0.05). The mean values of total cleaning efficacy were 26.87% for I-2, 43.73% for I-4, 34.93%, for A-2 and 56.78% for A-4. The efficacy was significantly higher for A-4 than for A-2, I-4, and I-2. There were significant differences between the four groups. Repeated cleaning led to an improved result. Within the study limitations, the AirFloss Ultra with four sprays proved to be more efficient than the sulcus brush I-Prox P for cleaning.
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Affiliation(s)
- Hanna Boes
- Department of Operative and Preventive Dentistry, Faculty of Health, Witten/Herdecke University, Alfred-Herrhausen-Str. 50, 58455, Witten, Germany.
| | - Sören Brüstle
- Department of Operative and Preventive Dentistry, Faculty of Health, Witten/Herdecke University, Alfred-Herrhausen-Str. 50, 58455, Witten, Germany
| | - Gholamreza Danesh
- Department of Orthodontics, Faculty of Health, Witten/Herdecke University, Witten, Germany
| | - Stefan Zimmer
- Department of Operative and Preventive Dentistry, Faculty of Health, Witten/Herdecke University, Alfred-Herrhausen-Str. 50, 58455, Witten, Germany
| | - Mozhgan Bizhang
- Department of Operative and Preventive Dentistry, Faculty of Health, Witten/Herdecke University, Alfred-Herrhausen-Str. 50, 58455, Witten, Germany
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Nomura Y, Ishii Y, Chiba Y, Suzuki S, Suzuki A, Suzuki S, Morita K, Tanabe J, Yamakawa K, Ishiwata Y, Ishikawa M, Sogabe K, Kakuta E, Okada A, Otsuka R, Hanada N. Does Last Year's Cost Predict the Present Cost? An Application of Machine Leaning for the Japanese Area-Basis Public Health Insurance Database. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18020565. [PMID: 33445431 PMCID: PMC7827468 DOI: 10.3390/ijerph18020565] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/15/2020] [Accepted: 01/07/2021] [Indexed: 12/21/2022]
Abstract
The increasing healthcare cost imposes a large economic burden for the Japanese government. Predicting the healthcare cost may be a useful tool for policy making. A database of the area-basis public health insurance of one city was analyzed to predict the medical healthcare cost by the dental healthcare cost with a machine learning strategy. The 30,340 subjects who had continued registration of the area-basis public health insurance of Ebina city during April 2017 to September 2018 were analyzed. The sum of the healthcare cost was JPY 13,548,831,930. The per capita healthcare cost was JPY 446,567. The proportion of medical healthcare cost, medication cost, and dental healthcare cost was 78%, 15%, and 7%, respectively. By the results of the neural network model, the medical healthcare cost proportionally depended on the medical healthcare cost of the previous year. The dental healthcare cost of the previous year had a reducing effect on the medical healthcare cost. However, the effect was very small. Oral health may be a risk for chronic diseases. However, when evaluated by the healthcare cost, its effect was very small during the observation period.
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Affiliation(s)
- Yoshiaki Nomura
- Department of Translational Research, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan; (M.I.); (K.S.); (R.O.); (N.H.)
- Correspondence:
| | - Yoshimasa Ishii
- Ebina Dental Association, Kanagawa 243-0421, Japan; (Y.I.); (Y.C.); (S.S.); (A.S.); (S.S.); (K.M.); (J.T.); (K.Y.); (Y.I.)
| | - Yota Chiba
- Ebina Dental Association, Kanagawa 243-0421, Japan; (Y.I.); (Y.C.); (S.S.); (A.S.); (S.S.); (K.M.); (J.T.); (K.Y.); (Y.I.)
| | - Shunsuke Suzuki
- Ebina Dental Association, Kanagawa 243-0421, Japan; (Y.I.); (Y.C.); (S.S.); (A.S.); (S.S.); (K.M.); (J.T.); (K.Y.); (Y.I.)
| | - Akira Suzuki
- Ebina Dental Association, Kanagawa 243-0421, Japan; (Y.I.); (Y.C.); (S.S.); (A.S.); (S.S.); (K.M.); (J.T.); (K.Y.); (Y.I.)
| | - Senichi Suzuki
- Ebina Dental Association, Kanagawa 243-0421, Japan; (Y.I.); (Y.C.); (S.S.); (A.S.); (S.S.); (K.M.); (J.T.); (K.Y.); (Y.I.)
| | - Kenji Morita
- Ebina Dental Association, Kanagawa 243-0421, Japan; (Y.I.); (Y.C.); (S.S.); (A.S.); (S.S.); (K.M.); (J.T.); (K.Y.); (Y.I.)
| | - Joji Tanabe
- Ebina Dental Association, Kanagawa 243-0421, Japan; (Y.I.); (Y.C.); (S.S.); (A.S.); (S.S.); (K.M.); (J.T.); (K.Y.); (Y.I.)
| | - Koji Yamakawa
- Ebina Dental Association, Kanagawa 243-0421, Japan; (Y.I.); (Y.C.); (S.S.); (A.S.); (S.S.); (K.M.); (J.T.); (K.Y.); (Y.I.)
| | - Yasuo Ishiwata
- Ebina Dental Association, Kanagawa 243-0421, Japan; (Y.I.); (Y.C.); (S.S.); (A.S.); (S.S.); (K.M.); (J.T.); (K.Y.); (Y.I.)
| | - Meu Ishikawa
- Department of Translational Research, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan; (M.I.); (K.S.); (R.O.); (N.H.)
| | - Kaoru Sogabe
- Department of Translational Research, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan; (M.I.); (K.S.); (R.O.); (N.H.)
| | - Erika Kakuta
- Department of Oral Microbiology, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan;
| | - Ayako Okada
- Department of Operative Dentistry, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan;
| | - Ryoko Otsuka
- Department of Translational Research, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan; (M.I.); (K.S.); (R.O.); (N.H.)
| | - Nobuhiro Hanada
- Department of Translational Research, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan; (M.I.); (K.S.); (R.O.); (N.H.)
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Nomura Y, Otsuka R, Wint WY, Okada A, Hasegawa R, Hanada N. Tooth-Level Analysis of Dental Caries in Primary Dentition in Myanmar Children. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17207613. [PMID: 33086651 PMCID: PMC7589262 DOI: 10.3390/ijerph17207613] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 10/12/2020] [Accepted: 10/14/2020] [Indexed: 02/07/2023]
Abstract
In developing countries, the prevalence of dental caries in children remains high, which means that implementing a simple and convenient classification is critical. The classification needs to be evidence-based and needs to reflect tooth-level information. In this study, the prevalence of dental caries in the primary dentition of 352 Myanmar school children at the ages of 5, 6, and 7 was analyzed at the tooth level to clarify the underlying data structure of the patterns of dental caries in the population. Ninety-three percent of subjects had caries in primary dentition and the mean number of decayed teeth in primary dentition was 7.54 ± 4.82. Based on the item response theory analysis, mixed-effect modeling, and Bayesian network analysis, we proposed the following classification: Group 1: No dental caries; Group 2: Dental caries in molar teeth or dental caries in maxillary anterior teeth; Group 3: Dental caries in both molar and maxillary anterior teeth; Group 4: Dental carries in mandibular anterior teeth. Dental caries (dmft) in the groups was different between groups. The results of characteristics of tooth-level information and classification presented in this study may be a useful instrument for the analysis of the data of dental caries prevalence in primary dentition.
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Affiliation(s)
- Yoshiaki Nomura
- Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan; (R.O.); (W.Y.W.); (R.H.); (N.H.)
- Correspondence:
| | - Ryoko Otsuka
- Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan; (R.O.); (W.Y.W.); (R.H.); (N.H.)
| | - Wit Yee Wint
- Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan; (R.O.); (W.Y.W.); (R.H.); (N.H.)
| | - Ayako Okada
- Department of Operative Dentistry, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan;
| | - Ryo Hasegawa
- Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan; (R.O.); (W.Y.W.); (R.H.); (N.H.)
| | - Nobuhiro Hanada
- Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan; (R.O.); (W.Y.W.); (R.H.); (N.H.)
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