Journal of Korean Dental Science

Korean Academy of Dental Science (대한치의학회)
권호 표지

Factors Associated with the Stability of Two-part Mini-implants for Intermaxillary Fixation

  • Kim, Seong-Hun (Department of Orthodontics, Catholic University of Korea) ;
  • Seo, Woon-Kyung (Department of Orthodontics, Catholic University of Korea) ;
  • Lee, Won (Department of Orthodontics, Catholic University of Korea) ;
  • Kim, In-Soo (Department of Oral and Maxillofacial Surgery, Dentistry Section, Catholic University of Korea, Uijongbu St Mary's Hospital) ;
  • Chung, Kyu-Rhim (Korean Society of Speedy Orthodontics) ;
  • Kook, Yoon-Ah (Department of Orthodontics, Catholic University of Korea, Seoul St Mary's Hospital)
  • Received : 2009.08.05
  • Accepted : 2009.09.16
  • Published : 2009.12.30
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Abstract

Two component orthodontic C-implants have been introduced as intermaxillary fixation (IMF) screws in cases of periodontal problems with bone loss, severely damaged teeth, or short roots. This retrospective research sought to investigate the complications and risk factors associated with the failure of two-part C-implants for IMF cases and to show the possible indications compared to one-component mini-implants. The study sample consisted of 46 randomly selected patients who had a total of 203 implants. Pearson chi-square tests of independence were used to test for associations among categorical variables. At least 19 of the total 203 implants failed (9.3%). There was no significant difference in implant failure due to gender, oral hygiene, and placement, although a significant difference due to soft tissue characteristics and root contact was observed. The two-component design of the mini-implant is reliable for difficult IMF cases. Note, however, that the factors influencing implant failure were found to be age, root damage, and condition of soft tissues.

Keywords

References

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