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Hasegawa Y, Minakuchi H, Nishimura M, Nishio K, Yoshioka F, Ishii T, Watanabe T, Nishiyama Y, Sato Y, Yoshida K, Sta Maria MT, Iinuma T, Matsuka Y. Effect of soft denture liners on complete denture treatments: A systematic review. J Prosthodont Res 2024:JPR_D_23_00067. [PMID: 38382972 DOI: 10.2186/jpr.jpr_d_23_00067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
PURPOSE This systematic review examined the effectiveness of soft denture relining (SDR) materials. STUDY SELECTION A comprehensive search of MEDLINE, Cochrane Library, and ICHUSHI was conducted up to July 26, 2020. Target outcomes were patient satisfaction, oral health-related quality of life (OHRQOL), masticatory ability (MA), denture functional duration, residual ridge resorption (RRR), and microbial contamination. An organization specializing in literature searches performed the reference searches, and two reviewers independently selected the literature sources, extracted the data, and assessed the risk of bias. The reviewers resolved any disagreements concerning the assortment of literature sources through discussion. SDR included acrylic- and silicone-based materials, which were evaluated separately. RESULTS Reviewers selected 7, 5, 11, 1, 4, and 6 studies to assess patient satisfaction, OHRQOL, MA, functional duration, RRR, and microbial contamination, respectively. The results confirmed that SDR improved patient satisfaction, OHRQOL, MA, and RRR. However, the functional duration of SDR material is shorter than that of hard denture relining (HDR) or acrylic resin material. Furthermore, SDR material is more susceptible to microbial contamination in the long term. The risk of bias for the included studies tended to be high because of specific issues (difficulty in blinding SDR versus HDR). CONCLUSIONS For patients who wear complete dentures, SDR often provides beneficial outcomes such as pain reduction and recovery from MA. However, caution should be exercised regarding their use owing to insufficient functional duration and the possibility of microbial contamination during long-term use.
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Affiliation(s)
- Yoko Hasegawa
- Division of Comprehensive Prosthodontics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Hajime Minakuchi
- Department of Oral Rehabilitation and Regenerative Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Masahiro Nishimura
- Department of Oral and Maxillofacial Prosthodontics, Kagoshima University Graduate School of Medical and Dental Science, Kagoshima, Japan
| | - Kensuke Nishio
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - Fumi Yoshioka
- Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Tomohiro Ishii
- Department of Removable Prosthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Japan
| | - Takafumi Watanabe
- Division of Occlusion & Maxillofacial Reconstruction, Department of Oral Function, Kyushu Dental University, Kitakyushu, Japan
| | - Yuichiro Nishiyama
- Department of Removal Prosthodontics, Tsurumi University School of Dental Medicine, Yokohama, Japan
| | - Yusuke Sato
- Department of Geriatric Dentistry School of Dentistry, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kazuhiro Yoshida
- Department of Prosthetic Dentistry, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Ma Therese Sta Maria
- Division of Comprehensive Prosthodontics, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
- Department of Prosthodontics, College of Dentistry, Manila Central University, Caloocan, Philippines
| | - Toshimitsu Iinuma
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - Yoshizo Matsuka
- Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
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Kimoto K, Kimoto S, Hoshi N, Sato Y, Yoneyama Y, Takebe J, Ichikawa T, Murata H, Nishimura M, Minakuchi S, Kawai Y. Clinical efficacy of mandibular complete dentures with a resilient liner: study protocol for a multicenter randomized controlled trial. Trials 2022; 23:738. [PMID: 36056410 PMCID: PMC9438343 DOI: 10.1186/s13063-022-06657-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 08/13/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND During restoration of poorly fitting complete dentures (CDs) in edentulous patients, liners are used to reconstruct the concave surfaces of CDs with a new base material. These relining materials are classified into resilient liners (RLs) and non-resilient liners (NRLs), but the clinical effects of these liners and their selection criteria remain unclear. The purpose of this study is to evaluate the clinical efficacy of relining mandibular CDs using RL and NRL and to conduct a follow-up study. METHODS The study is currently being conducted at eight centers, and a parallel-group randomized controlled trial (RCT) is underway. One hundred thirty-two edentulous patients with poorly fitting mandibular CDs will be assigned to two groups based on whether they will receive RL or NRL. Participants will have an RL or NRL applied for relining their CDs using an indirect method of dynamic impressions. Data will be recorded at 1 week and 3, 6, and 12 months after denture delivery. The primary outcome will be assessment of the patients' general satisfaction by using a 100-mm visual analog scale (VAS). Secondary outcomes will be measured as patient-reported outcomes, including food intake status and oral hygiene-related quality of life. Masticatory performance and the number of sore spots on the oral mucosa will also be recorded. Comparisons between the two groups and within-subject comparisons of pre- and post-intervention measurements will be conducted. DISCUSSION For dentists and prosthetic researchers in Japan, this RCT will provide information on the clinical efficacy of RL materials in comparison to RNL in CD wearers. The new evidence regarding the use of RL materials in an aging population will also be useful to dentists in other countries in their routine clinical practice. TRIAL REGISTRATION This clinical trial has been registered at the University Hospital Medical Information Network (UMIN) Center (UMIN000041950).
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Affiliation(s)
- Katsuhiko Kimoto
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan. .,Department of Fixed Prosthodontics, Kanagawa Dental University, 82 Inaoka-cho, Yokosuka, Kanagawa, 238-8580, Japan.
| | - Suguru Kimoto
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Department of Gerodontology and Home Care Dentistry School of Dentistry, Aichi Gakuin University, 2-11 Suemoritouri Chikusaku, Nagoya, Aichi, 464-8651, Japan
| | - Noriyuki Hoshi
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Department of Fixed Prosthodontics, Kanagawa Dental University, 82 Inaoka-cho, Yokosuka, Kanagawa, 238-8580, Japan
| | - Yusuke Sato
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo, 113-8549, Japan
| | - Yoshikazu Yoneyama
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan
| | - Jun Takebe
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Naogya, Aichi, 464-8651, Japan
| | - Tetsuo Ichikawa
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Department of Prosthodontics and Oral Rehabilitaion, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15 Kuramoto, Tokushima, 770-8504, Japan
| | - Hiroshi Murata
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Department of Prosthetic Dentistry, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Masahiro Nishimura
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Department of Oral and Maxillofacial Prosthodontics, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1, Sakuragaoka, Kagoshima, 890-8544, Japan
| | - Shunsuke Minakuchi
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo, 113-8549, Japan
| | - Yasuhiko Kawai
- Administration Office of the Denture Care Society, Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan.,Department of Removable Prosthodontics and Geriatric Oral Health, Nihon University School of Dentistry at Matsudo, 2-870-1 Sakaecho-nishi, Matsudo, Chiba, 271-8587, Japan
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Usman MA, Fagoroye OK, Ajayi TO. Evaluation of hybrid solvents featuring choline chloride-based deep eutectic solvents and ethanol as extractants for the liquid-liquid extraction of benzene from n-hexane: towards a green and sustainable paradigm. Appl Petrochem Res 2021; 11:335-351. [PMID: 34603906 PMCID: PMC8475862 DOI: 10.1007/s13203-021-00282-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 09/20/2021] [Indexed: 11/30/2022] Open
Abstract
Deep eutectic solvents (DESs) have high viscosities, but known to be mitigated by addition of suitable co-solvent. The effect of such co-solvent on the extraction efficiency of the hybrid solvent is hardly known. This study examined the effect of ethanol on three choline chloride-based DESs (glyceline, reline, and ethaline) by mixing each in turn with ethanol in various volume proportions. The hybrid solvents were evaluated for the extraction of benzene from n-hexane. Pseudo-ternary liquid–liquid equilibrium data were obtained using the refractive index method at 303 K and 1 atm for the systems, n-hexane (1) + benzene (2) + hybrid solvent (glyceline/ethanol, ethaline/ethanol, reline/ethanol) (3), and used to evaluate distribution coefficient (D) and selectivity (S). Furthermore, the physicochemical properties of the hybrid solvents were also determined. The results indicate increase in selectivity with increasing ethanol addition up to 50% and decrease with further addition. All hybrid solvents with 50% ethanol outperform sulfolane and are suitable replacement for same as green and sustainable extractant for aromatics from aliphatics. The glyceline + 50% ethanol emerged the overall best with 49.73% elevation in selectivity and 41.15% reduction in viscosity relative to the neat glyceline. The finding of this study is expected to fillip the drive for paradigm shift in petrochemical industries.
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Affiliation(s)
- Mohammed Awwalu Usman
- Sustainable Process Technology Group, Process Systems Engineering Cluster, Department of Chemical and Petroleum Engineering, University of Lagos, Akoka, Yaba, 101017 Lagos Nigeria
| | - Olumide Kayode Fagoroye
- Sustainable Process Technology Group, Process Systems Engineering Cluster, Department of Chemical and Petroleum Engineering, University of Lagos, Akoka, Yaba, 101017 Lagos Nigeria
| | - Toluwalase Olufunmilayo Ajayi
- Sustainable Process Technology Group, Process Systems Engineering Cluster, Department of Chemical and Petroleum Engineering, University of Lagos, Akoka, Yaba, 101017 Lagos Nigeria
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Bezerra-Neto JR, Bezerra LL, Sousa NG, Dos Santos LPM, Marinho ES, Monteiro NKV, Correia AN, de Lima-Neto P. Molecular approach about the effect of water on the electrochemical behaviour of Ag + ions in urea-choline chloride-water mixture. J Mol Model 2020; 26:339. [PMID: 33179132 DOI: 10.1007/s00894-020-04587-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 10/25/2020] [Indexed: 01/29/2023]
Abstract
The water influence on electrochemical behaviour of Ag+ ions in urea and choline chloride mixture was investigated by cyclic voltammetry technique, while the molecular insights about the investigated systems were obtained from molecular dynamic (MD) simulation. The water content was variated from 0 up to 10% (v/v). Cyclic voltammetry technique showed that the peak potential for Ag+/Ag redox couples shifted in direction to more positive potentials with the gradual increase of water content in solution, indicating that the addition of water electrocatalyses the kinetics of the reduction of Ag+ ions. The MD simulations demonstrated that water molecules do not interact strongly with Ag+ ions but induce a small reduction in the number of urea molecules around of the ion and that the water molecules adjust to free spaces in the mixture.
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Affiliation(s)
- João R Bezerra-Neto
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE, 60440-900, Brazil
| | - Lucas L Bezerra
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE, 60440-900, Brazil
| | - Natalia G Sousa
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE, 60440-900, Brazil
| | - Luis P M Dos Santos
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE, 60440-900, Brazil
| | - Emmanuel S Marinho
- Departamento de Química/FAFIDAM, Universidade Estadual do Ceará, Limoeiro do Norte, CE, 62930-000, Brazil
| | - Norberto K V Monteiro
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE, 60440-900, Brazil
| | - Adriana N Correia
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE, 60440-900, Brazil
| | - Pedro de Lima-Neto
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE, 60440-900, Brazil.
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