Zobrazeno 1 - 10
of 177
pro vyhledávání: '"Kee-Yeon Kum"'
Publikováno v:
Journal of Dental Sciences, Vol 19, Iss 2, Pp 837-845 (2024)
Background/purpose: Apical root resection pattern affects the stress distribution behavior in the apical region of the resected tooth. The purpose of the study was to compare the biomechanical responses of resected teeth between endodontic microsurge
Externí odkaz:
https://doaj.org/article/14f7e7a2739b4753a3545e2c9f23933c
Autor:
Liming Wang, Wenxiang Li, Yeon-Jee Yoo, Shin Hye Chung, Soram Oh, Hiran Perinpanayagam, Kee-Yeon Kum, Yu Gu
Publikováno v:
BMC Oral Health, Vol 21, Iss 1, Pp 1-9 (2021)
Abstract Background To investigate the efficacy of a nickel-titanium (NiTi) file with an automated computerized numerical control (CNC) system for root canal shaping. Methods The movement of the automated device and the insertion angle were investiga
Externí odkaz:
https://doaj.org/article/2e4df0865b314533baf7344d3e4af828
Publikováno v:
Journal of Dental Sciences, Vol 16, Iss 1, Pp 540-543 (2021)
People with disabilities are challenged managing their oral hygiene and more often burdened with oral diseases. They often require immediate dental treatment for severe pain and greater precautions are needed to cope with COVID-19. The potential for
Externí odkaz:
https://doaj.org/article/90eaf119537c413e963d1423e8116036
Autor:
Soram Oh, Kee-Yeon Kum, Hyun-Jung Kim, Su-Young Moon, Hyeon-Cheol Kim, Antonis Chaniotis, Hiran Perinpanayagam, Eugenio Pedullá, Seok Woo Chang
Publikováno v:
Journal of Dental Sciences, Vol 15, Iss 4, Pp 472-478 (2020)
Background/purpose: Several single-file systems manufactured using different heat treatment and operated by different kinematics have been released. This study compared the bending resistance and cyclic fatigue resistance of three NiTi files, and exa
Externí odkaz:
https://doaj.org/article/ec794132ff684099bc951e5f7f0a9a81
Autor:
Soo-Hyuk Lee, Soram Oh, Adel Saeed Al-Ghamdi, Ayman Omar Mandorah, Kee-Yeon Kum, Seok Woo Chang
Publikováno v:
Bioinorganic Chemistry and Applications, Vol 2020 (2020)
The objective of root canal obturation is to achieve a fluid-tight seal. Recently, GuttaFlow bioseal (GB), a root canal sealer composed of polydimethylsiloxane, gutta-percha particles, and bioactive glass ceramics, has been developed, to enhance the
Externí odkaz:
https://doaj.org/article/57727c01021d415d92c2af6a54c5794d
Autor:
Soram Oh, Su-Young Moon, Antonis Chaniotis, Eugenio Pedullá, Adel Saeed Al-Ghamdi, Fawzi Ali Al-Ghamdi, Ayman Omar Mandorah, Hiran Perinpanayagam, Kee-Yeon Kum, Ove A. Peters, Seok Woo Chang
Publikováno v:
Applied Sciences, Vol 11, Iss 16, p 7694 (2021)
Coronal preflaring NiTi files should possess proper hardness, resistance to fracture and flexibility. This study compared the bending resistance and cyclic fatigue resistance of three orifice preflaring NiTi files. HyFlex EDM Orifice opener (#25/12),
Externí odkaz:
https://doaj.org/article/99624aad09004664a419a5304762064e
Publikováno v:
Applied Sciences, Vol 11, Iss 15, p 6836 (2021)
This study investigated if non-thermal atmospheric pressure plasma (NTAPP) treatment of root dentin surfaces promotes human dental pulp stem cell (hDPSCs) adhesion. Freshly extracted human single-rooted teeth (n = 36) were decoronated and cut (first
Externí odkaz:
https://doaj.org/article/b439226c913d4c7ab94936260ee14003
Publikováno v:
BMC Oral Health, Vol 17, Iss 1, Pp 1-8 (2017)
Abstract Background Although many studies have compared the properties of ultrasonic scaling instruments, it remains controversial as to which is most suitable for implant scaling. This study evaluated the safety and efficiency of novel metallic ultr
Externí odkaz:
https://doaj.org/article/7652677c8a7d4093bacd9e16181dcd17
Various heat-treated nickel–titanium rotary instruments evaluated in S-shaped simulated resin canals
Autor:
Yu Gu, Kee-Yeon Kum, Hiran Perinpanayagam, Christine Kim, Daniel Jaewon Kum, Sang-Min Lim, Seok-Woo Chang, Seung-Ho Baek, Qiang Zhu, Yeon-Jee Yoo
Publikováno v:
Journal of Dental Sciences, Vol 12, Iss 1, Pp 14-20 (2017)
Background/purpose: Heat treatment of nickel–titanium (NiTi) alloy produces a better arrangement of the crystal structure, thereby leading to increased flexibility and improved fatigue resistance or plastic behavior. This study aimed to assess the
Externí odkaz:
https://doaj.org/article/883ae00d366a43e7910804cae61bbfbc
Autor:
Sang-Min Lim, Ki-Bum Ahn, Christine Kim, Jong-Won Kum,, Hiran Perinpanayagam, Yu Gu, Yeon-Jee Yoo, Seok Woo Chang, Seung Hyun Han, Won-Jun Shon, Seung-Ho Baek, Qiang Zhu, Kee-Yeon Kum
Publikováno v:
Restorative Dentistry & Endodontics, Vol 41, Iss 2, Pp 91-97 (2016)
Objectives The purpose of this ex vivo study was to compare the antifungal activity of a synthetic peptide consisting of 15 amino acids at the C-terminus of human β-defensin 3 (HBD3-C15) with calcium hydroxide (CH) and Nystatin (Nys) against Candid
Externí odkaz:
https://doaj.org/article/bfcce885e06a487faa0fabe395624d18