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Improved stress analyses of dental systems implant by homogenization technique / 대한치주과학회지
The Journal of the Korean Academy of Periodontology ; : 263-290, 1997.
Article in Korean | WPRIM | ID: wpr-15757
ABSTRACT
Homogenization technique is employed to investigate the series of stress analyses of mandible for three different types of dental implants. This technique helps to make proper material model of bone and analyze such a non homogeneous structure at the level of individual microstructural unit. The stress analyses with homogenization technique show much higher stress level in the sponge bone, compared to those of conventional FEM. It also manifested that even a minor lateral force results in crucial stresses in the dental implant system and that the macroscale model should take the shape and size after real mandible to produce reasonable solution in the analyses of dental implant systems. The shapes of dental implants simulated in this study are rectangularcross-sectioned type, hemi-sphere rooted type, and wedge type implant. The stress states of mandible with hemisphere rooted type implant and wedge type implant show similar levels, while those with sectioned rectangular implant results in higher stresses. It is suggested that the distance between the implant tip and cortical bone be kept far enough to prevent stress concentrations in the mandible.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Porifera / Dental Implants / Mandible Language: Korean Journal: The Journal of the Korean Academy of Periodontology Year: 1997 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Porifera / Dental Implants / Mandible Language: Korean Journal: The Journal of the Korean Academy of Periodontology Year: 1997 Type: Article