Patents Assigned to NANTO SEIMITSU CO., LTD.
  • Patent number: 9549791
    Abstract: To obtain improved bio-affinity and high bone attachment in an implant body, a method of manufacture for the implant body, and a dental implant. The implant body is fixed in a contact configuration to bone, and includes the base material formed from zirconia, and a surface layer formed on the surface of the base material and having a lower hardness than the base material. Therefore, in addition to having superior mechanical strength due to the zirconia base material, the soft and flexible surface layer functions as a buffer layer to mitigate the difference in the degree of hardness between the bone and the base material, and therefore the soft surface further improves the bone adhesion characteristics.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: January 24, 2017
    Assignee: Nanto Seimitsu Co., Ltd.
    Inventor: Teruo Ishiwata
  • Publication number: 20140227663
    Abstract: To obtain improved bio-affinity and high bone attachment in an implant body, a method of manufacture for the implant body, and a dental implant. The implant body is fixed in a contact configuration to bone, and includes the base material formed from zirconia, and a surface layer formed on the surface of the base material and having a lower hardness than the base material. Therefore, in addition to having superior mechanical strength due to the zirconia base material, the soft and flexible surface layer functions as a buffer layer to mitigate the difference in the degree of hardness between the bone and the base material, and therefore the soft surface further improves the bone adhesion characteristics.
    Type: Application
    Filed: April 17, 2014
    Publication date: August 14, 2014
    Applicant: NANTO SEIMITSU CO., LTD.
    Inventor: Teruo Ishiwata
  • Publication number: 20110136078
    Abstract: To obtain improved bio-affinity and high bone attachment in an implant body, a method of manufacture for the implant body, and a dental implant. The implant body is fixed in a contact configuration to bone, and includes the base material formed from zirconia, and a surface layer formed on the surface of the base material and having a lower hardness than the base material. Therefore, in addition to having superior mechanical strength due to the zirconia base material, the soft and flexible surface layer functions as a buffer layer to mitigate the difference in the degree of hardness between the bone and the base material, and therefore the soft surface further improves the bone adhesion characteristics.
    Type: Application
    Filed: May 29, 2009
    Publication date: June 9, 2011
    Applicant: NANTO SEIMITSU CO., LTD.
    Inventor: Teruo Ishiwata