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Na LI, Gang WU, Hua YAO, Ruikang TANG, Xinhua GU, Chengwei TU
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Ryan Jin Young KIM, Joo Hee SHIN
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Tomoe KANAZAWA, Ryosuke MURAYAMA, Tetsuya FURUICHI, Arisa IMAI, Shunichi SUDA, Hiroyasu KUROKAWA, Toshiki TAKAMIZAWA, Masashi MIYAZAKI
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Soley ARSLAN, Yahya Orcun ZORBA, Mustafa Altay ATALAY, Suat ÖZCAN, Sezer DEMIRBUGA, Kansad PALA, Duygu PERCIN, Fusun OZER
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Dimitrios DIONYSOPOULOS, Eugenia KOLINIOTOU-KOUMPIA, Maria HELVATZOGLOU-ANTONIADES, Nikolaos KOTSANOS
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Hiroshi INOUE, Lan LAN, Zhengjian KE, Yang YAN, Feng ZHENG, Dan MAO, Seiji GODA
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Andrea Corrado PROFETA
Dental Materials Journal
2020
Volume 39
Issue 6
1103
Published: November 27, 2020
Released on J-STAGE: December 03, 2020
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Mojtaba MAHMOUDI, Alireza SAIDI, Saied Abdolreza GANDJALIKHAN NASSAB, Maryam Alsadat HASHEMIPOUR
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Su-Hyeon KIM, Tack-Oon OH, Ju-Young KIM, Chun-Woong PARK, Seung-Ho BAEK, Eun-Seok PARK
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Kanitsak BOONANANTANASARN, Kajohnkiart JANEBODIN, Prapan SUPPAKPATANA, Tawepong ARAYAPISIT, Jit-aree RODSUTTHI, Panjit CHUNHABUNDIT, Surintorn BOONANUNTANASARN, Wanida SRIPAIROJTHIKOON
JOURNAL
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Sonia SANTANDER, Clara ALCAINE, Jaber LYAHYAI, Maria Angeles PÉREZ, Clementina RODELLAR, Manuel DOBLARÉ, Ignacio OCHOA
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Azusa YAMANAKA, Atsushi MINE, Mariko MATSUMOTO, Ryosuke HAGINO, Masahiro YUMITATE, Shintaro BAN, Masaya ISHIDA, Jiro MIURA, Bart VAN MEERBEEK, Hirofumi YATANI
Dental Materials Journal
2021
Volume 40
Issue 5
1290
Published: September 25, 2021
Released on J-STAGE: September 30, 2021
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Yong-Rok SUH, Jin-Soo AHN, Sung-Won JU, Kwang-Mahn KIM
Dental Materials Journal
2018
Volume 37
Issue 6
1023
Published: November 27, 2018
Released on J-STAGE: November 30, 2018
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Kosuke NAKAJIMA, Satoru MATSUNAGA, Toshiyuki MORIOKA, Takayoshi NAKANO, Shinichi ABE, Yoshitaka FURUYA, Yasutomo YAJIMA
Dental Materials Journal
2020
Volume 39
Issue 4
670-677
Published: July 30, 2020
Released on J-STAGE: August 02, 2020
Advance online publication: February 07, 2020
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The aim of this study was clarify the effects of reducing various functional pressures essential for the maintenance of bone homeostasis. Femoral bone mineral density (BMD) and biological apatite (BAp) crystallite alignment were measured in conventionally reared and hindlimb-unloaded mice. The femur was divided into 10 equal segments perpendicular to the longitudinal axis of the bone and measurements were performed on the cortical bone in the five segments closest to the midpoint of the femur. Significantly lower BMD and BAp alignment in the longitudinal (Z-axis) direction were observed in the hindlimb-unloaded group. The present findings suggest that unloading by tail suspension significantly decreases not only mouse femoral bone mass but also BAp crystallite alignment, although minimal uniaxial preferential alignment is retained.
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Wei ZOU, Guang HONG, Yukiko YAMAZAKI, Kazuma TAKASE, Toru OGAWA, Jumpei WASHIO, Nobuhiro TAKAHASHI, Keiichi SASAKI
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Shintaro FUKASAWA, Hiroshi CHUREI, Ruman Uddin CHOWDHURY, Takahiro SHIRAKO, Sharika SHAHRIN, Abhishekhi SHRESTHA, Takahiro WADA, Motohiro UO, Hidekazu TAKAHASHI, Toshiaki UENO
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The purposes of this study were to examine the shock absorption capability of addition-cured silicone denture relining materials and the bonding strength of addition-cured silicone denture relining materials and a commercial mouthguard material to determine its applicability to mouthguard adjustment. Two addition-cured silicone denture relining materials were selected as test materials. The impact test was applied by a free-falling steel ball. On the other hand, bonding strength was determined by a delamination test. After prepared surface treatments using acrylic resin on MG sheet surface, 2 types of addition-cured silicone denture relining materials were glued to MG surface. The peak intensity, the time to peak intensity from the onset of the transmitted force and bonding strength were statistically analyzed using ANOVA and Tukey’s honest significant difference post hoc test (p<0.05). These results suggest that the silicone denture relining materials could be clinically applicable as a mouthguard adjustment material.
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Jorge PERDIGÃO, Ana M. PINTO, Regina C.C. MONTEIRO, Francisco M. BRAZ FERNANDES, Pedro LARANJEIRA, João P. VEIGA
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Tomotaro NIHEI, Katsura OHASHI, Masayuki HATTORI, Satoshi IMAZATO
Dental Materials Journal
2020
Volume 39
Issue 1
9-11
Published: January 30, 2020
Released on J-STAGE: January 31, 2020
Advance online publication: September 11, 2019
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The demand for titanium and titanium alloys in dentistry is high. A surveillance survey regarding the clinical and laboratory uses of titanium/titanium alloys in Japan was conducted in this study. The alloys used for casting demonstrated a decreasing tendency in quantity, whereas the use of non-casting titanium alloys increase in the market. This increasing trend is reflected the popularity of CAD/CAM devices. In Japan, the processing technologies of titanium alloys have been improved; therefore, the application of titanium and titanium alloys to dental procedures covered by the insurance is clearly worth considering.
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Tomotaro NIHEI, Chikahiro OHKUBO, Yuichiro NISHIYAMA, Yuji TSUBOTA, Hiroyasu KOIZUMI, Toshio MASEKI, Masashi MIYAZAKI
Dental Materials Journal
2020
Volume 39
Issue 4
531-533
Published: July 30, 2020
Released on J-STAGE: August 02, 2020
Advance online publication: May 16, 2020
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Computer-aided design and manufacturing (CAD/CAM) resin-produced restorations were approved by a health insurance system in Japan from the year 2014. In this study, we investigated the use of CAD/CAM resin blocks in Japan since 2014, and the clinical use of adhesive systems for CAD/CAM resin-produced restorations in dentistry. Our findings indicated a rise in the clinical application of these products; however, some studies have reported instances of debonding and fracture of the restorations. CAD/CAM resin blocks were implemented in the health insurance system in Japan as an alternative for alloys due to the continuous rise in the prices of gold and palladium. Thus, in order to reduce the number of failures in CAD/CAM resin-produced restorations due to debonding and fracture, the integration of these restorations with the tooth structures is of utmost importance.
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Mitsunobu KAWASHIMA, Atsushi MINE, Satoshi YAMAGUCHI, Satoshi IMAZATO
Dental Materials Journal
2021
Volume 40
Issue 4
1063-1067
Published: July 25, 2021
Released on J-STAGE: July 31, 2021
Advance online publication: April 20, 2021
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The aim of this study was to develop a new method to evaluate the consistency of resin cements by modeling the operation of setting a crown. First, the weight of the resin cements and the inner surface area of the crown were measured to configure the conditions for consistency evaluation using a model abutment tooth and a model crown. As the evaluation method, a 200 mm2 contact surface area of a glass plate was placed on top of 30.0 mg of resin cement paste, and a pressure of 10.0 N was applied to the glass plate. When the paste was spread over the entire bottom surface of the glass plate, it was designated a “Pass”. A “Pass” result was obtained for all resin cements tested and a “Fail” result for all resin composites, indicating the usefulness of the new method for assessing cement flowability when setting a crown.
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