Journal of Oral Science Research ›› 2020, Vol. 36 ›› Issue (7): 683-687.DOI: 10.13701/j.cnki.kqyxyj.2020.07.017

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Effect of Crown-root Ratio of Short Implants on Bone Remodeling:a 5-year Clinical Observation

XIA Xun, HU Changqi, HUANG Jiangqin, GUO Shuigen, WEI Hongwu*   

  1. Department of Stomatology, The Fourth Affiliated Hospital of Nanchang University, Nanchang 330000, China
  • Received:2019-09-11 Online:2020-07-28 Published:2020-07-24

Abstract: Objective:To observe the effects of increased crown-to-root ratios on bone remodeling of short implants. Methods:27 patients with a total of 69 Bicon short implants in the posterior region from January 2011 to June 2013 were enrolled in the study. The relationship between marginal bone loss (MBL), peri-implant bone grey-scale value (GSV), and crown-to-implant ratio (CIR) was analyzed using imaging data. Results:The 69 Bicon implants enrolled in the study had a functional load of (65 ± 9) months with a success rate of 94.2%. Grouped by CIR, no significant correlation was found between MBL, ΔGSV and CIR (P>0.05). There were only two implants with cracking of the porcelain, and the mechanical complications were not significant different (P>0.05). Conclusion:CIR of Bicon short implant has no significant effect on MBL and △GSV, and alveolar bone has sufficient ability to cope with greater stress stimulation. Higher CIR does not lead to more mechanical complications and implant failure.

Key words: Bicon, short implant, crown-to-implant ratio, imaging characteristics