Idiopathic internal resorption in primary canines and molars – Case report

Takahiro Kitamura, Masatoshi Otsugu, Marin Ochiai, Maika Kadono, Aya Muranaka, Kazuhiko Nakano

Pediatric Dental Journal　Vol. 33　No. 1　p. 69-73　2023/04　Research paper (scientific journal)

Clinical characteristics of children and guardians possessing CBP-positive Streptococcus mutans strains: a cross-sectional study.

Masatoshi Otsugu, Yusuke Mikasa, Takahiro Kitamura, Yuto Suehiro, Saaya Matayoshi, Ryota Nomura, Kazuhiko Nakano

Scientific reports　Vol. 12　No. 1　p. 17510-17510　2022/10/20　Research paper (scientific journal)

Evaluation of the collagen-binding properties and virulence of killed Streptococcus mutans in a silkworm model.

Yuto Suehiro, Ryota Nomura, Saaya Matayoshi, Masatoshi Otsugu, Naoki Iwashita, Kazuhiko Nakano

Scientific reports　Vol. 12　No. 1　p. 2800-2800　2022/02/18　Research paper (scientific journal)

Relationship between Dental Occlusion and Maximum Tongue Pressure in Preschool Children Aged 4-6 Years.

Yumi Sasaki, Masatoshi Otsugu, Hidekazu Sasaki, Naho Fujikawa, Rena Okawa, Takafumi Kato, Kazuhiko Nakano

Children (Basel, Switzerland)　Vol. 9　No. 2　2022/01/22　Research paper (scientific journal)

Oral management with mouthguards during the mixed dentition period: A case report.

Masatoshi Otsugu, Yuto Suehiro, Issei Hanaoka, Rena Okawa, Kazuhiko Nakano

Dental traumatology : official publication of International Association for Dental Traumatology　Vol. 37　No. 3　p. 531-536　2021/06

Mouthguards for a childhood hypophosphatasia patient to protect periodontal tissue of immature permanent teeth - Case report

Tamami Kadota, Rena Okawa, Masatoshi Otsugu, Jumpei Ohata, Issei Hanaoka, Kazuhiko Nakano

PEDIATRIC DENTAL JOURNAL　Vol. 31　No. 1　p. 117-122　2021/04　Research paper (scientific journal)

Inhibitory effects of flavedo, albedo, fruits, and leaves of Citrus unshiu extracts on Streptococcus mutans.

Ryota Nomura, Jumpei Ohata, Masatoshi Otsugu, Rena Okawa, Shuhei Naka, Michiyo Matsumoto-Nakano, Kazuhiko Nakano

Archives of oral biology　Vol. 124　p. 105056-105056　2021/01/23　Research paper (scientific journal)

Analysis of difficulty detecting bleeding on colored mouthguards: Is it truly more difficult to detect bleeding on a red mouthguard？

Shimosato T, Otsugu M

International Journal of Sports Dentistry　Vol. 14　No. 1　p. 7-15　2021

Potential involvement of Streptococcus mutans possessing collagen binding protein Cnm in infective endocarditis.

Ryota Nomura, Masatoshi Otsugu, Masakazu Hamada, Saaya Matayoshi, Noboru Teramoto, Naoki Iwashita, Shuhei Naka, Michiyo Matsumoto-Nakano, Kazuhiko Nakano

Scientific reports　Vol. 10　No. 1　p. 19118-19118　2020/11/05　Research paper (scientific journal)

Contribution of Severe Dental Caries Induced by Streptococcus mutans to the Pathogenicity of Infective Endocarditis

Ryota Nomura, Saaya Matayoshi, Masatoshi Otsugu, Takahiro Kitamura, Noboru Teramoto, Kazuhiko Nakano

Infection and Immunity　Vol. 88　No. 7　2020/04/20　Research paper (scientific journal)

A Study of the Differentiation of Wearing Various Color Mouthguards-Is It Really Difficult to Differentiate When Wearing a White Mouthguard?-

下里武巳, 大継將寿

スポーツ歯学　Vol. 23　No. 2　p. 44-51　2020/02

Specific strains of Streptococcus mutans, a pathogen of dental caries, in the tonsils, are associated with IgA nephropathy

Seigo Ito, Taro Misaki, Shuhei Naka, Kaoruko Wato, Yasuyuki Nagasawa, Ryota Nomura, Masatoshi Otsugu, Michiyo Matsumoto-Nakano, Kazuhiko Nakano, Hiroo Kumagai, Naoki Oshima

Scientific Reports　Vol. 9　No. 1　p. 20130-20130　2019/12　Research paper (scientific journal)

Ameloblastic fibro-odontoma in mandibular region: A case report.

Otsugu M, Okawa R, Nomura R, Nakano K

PEDIATRIC DENTAL JOURNAL　Vol. 29　p. 37-41　2019/04　Research paper (scientific journal)

Contribution of Reaction of Streptococcus mutans Cell Surface Structure to Blood Components in Pathogenesis of Infective Endocarditis

OTSUGU Masatoshi

The Japanese Journal of Pediatric Dentistry　Vol. 57　No. 1　p. 15-22　2019/02/25

Contribution of Streptococcus mutans strains with collagenbinding proteins in the presence of serum to the pathogenesis of infective endocarditis

Masatoshi Otsugu, Ryota Nomura, Saaya Matayoshi, Noboru Teramoto, Kazuhiko Nakano

Infection and Immunity　Vol. 85　No. 12　p. 00401-00417　2017　Research paper (scientific journal)

The in vivo Inhibition of Oral Biofilm Accumulation and Streptococcus mutans by Ceramic Water

Ryota Nomura, Risa Yoneyama, Shuhei Naka, Masatoshi Otsugu, Yuko Ogaya, Rina Hatakeyama, Yumiko Morita, Jumpei Maruo, Michiyo Matsumoto-Nakano, Osamu Yamada, Kazuhiko Nakano

CARIES RESEARCH　Vol. 51　No. 1　p. 58-67　2017　Research paper (scientific journal)

Contribution of the Interaction of Streptococcus mutans Serotype k Strains with Fibrinogen to the Pathogenicity of Infective Endocarditis

Ryota Nomura, Masatoshi Otsugu, Shuhei Naka, Noboru Teramoto, Ayuchi Kojima, Yoshinori Muranaka, Michiyo Matsumoto-Nakano, Takashi Ooshima, Kazuhiko Nakano

INFECTION AND IMMUNITY　Vol. 82　No. 12　p. 5223-5234　2014/12　Research paper (scientific journal)

Potential high virulence for infective endocarditis in Streptococcus mutans strains with collagen-binding proteins but lacking PA expression

R. Nomura, S. Naka, H. Nemoto, M. Otsugu, S. Nakamura, T. Ooshima, K. Nakano

Archives of Oral Biology　Vol. 58　No. 11　p. 1627-1634　2013　Research paper (scientific journal)