- Genetic diversity of the tet(M) gene in tetracycline-resistant oral streptococci
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Jeong D, Lee SY
- KMID: 2517483
- Oral Biol Res.
- 2021 Jun;45(2):75-81.
- doi: 10.21851/obr.45.02.202106.75
Tetracycline resistance occurs at a high frequency among clinical isolates of both gram-positive and gram-negative bacteria. The mechanism and genetics of tetracycline resistance have not been extensively studied in streptococci,... -
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- Identification and characterization of a hemagglutinin gene from Prevotella intermedia
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Lee SW, Okamoto M, Leung KP
- KMID: 2517484
- Oral Biol Res.
- 2021 Jun;45(2):82-89.
- doi: 10.21851/obr.45.02.202106.82
In this study, we describe the cloning of a gene encoding hemagglutinin from Prevotella intermedia to characterize hemagglutinin function and elucidate its possible role in the infectious process mediated by... -
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- Characterization of the hemin-binding property of Porphyromonas endodontalis
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Kim EJ, Lee SY
- KMID: 2517482
- Oral Biol Res.
- 2021 Jun;45(2):66-74.
- doi: 10.21851/obr.45.02.202106.66
Porphyromonas endodontalis, found in the root canal of teeth, requires iron for growth. However, the mechanism of iron uptake in P. endodontalis remains unclear. The ability of bacteria to utilize... -
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- Students’ perceptions of the impact of video lectures with embedded quiz questions on e-learning in dentistry
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Lee WP, Song JH
- KMID: 2517481
- Oral Biol Res.
- 2021 Jun;45(2):59-65.
- doi: 10.21851/obr.45.02.202106.59
During the COVID-19 pandemic, e-learning has become more prevalent in dental education. In this study, we investigated the effectiveness of video lectures with embedded quiz questions. A questionnaire survey was... -
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- Controlled releasing properties of gelatin nanofabric device containing chlorhexidine
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Park DU, Um HS, Chang BS, Lee SY, Yoo KY, Choi WY, Lee JK
- KMID: 2517485
- Oral Biol Res.
- 2021 Jun;45(2):90-98.
- doi: 10.21851/obr.45.02.202106.90
We aimed to evaluate the degradation and antimicrobial activity of novel chlorhexidine-containing gelatin nanofabric devices and their cytotoxicity in animals. The electro-spun device with a size of 3×4×0.4 mm 3... -
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- Effect of erbium-doped yttrium-aluminum-garnet laser on surface characteristics and biocompatibility of resorbable blast media titanium
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Uhm SW, Lee IS, Kim BH, Kim YJ
- KMID: 2517480
- Oral Biol Res.
- 2021 Jun;45(2):49-58.
- doi: 10.21851/obr.45.02.202106.49
Er:YAG laser irradiation can modify the surface characteristics of titanium surface. This study aimed to evaluate the influence of Er:YAG laser irradiation on mechanical, chemical, and biological characteristics of resorbable... -
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