Japanese Journal of MaxilloFacial Implants
Online ISSN : 2433-5509
Print ISSN : 1347-894X
ISSN-L : 1347-894X
Severe medical complications relating dental implant surgery
―The second investigative report in Japan―
Shin USUDAHiromasa KAWANATakao KATOHirofumi KIDOJunichi SATOMichio SHIKIMORIHideshi SEKINETetsu TAKAHASHIToshiharu FUJIIYasutomo YAJIMAKan-ichi SETO
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2017 Volume 16 Issue 2 Pages 89-100

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Abstract

  Background: Serious medical complications related to implant surgery is indicated to be a social problem. Here we report our experience of administering a questionnaire survey among members of Japanese Academy of Maxillofacial Implants comparing the results with those of a previous survey conducted from January 2009 to the end of December 2011.

  Methods: Questionnaires on severe medical trouble related to implant surgery during the 3-year period from January 1, 2012 to the end of December 2014 were sent to 118 facilities approved by the Society and the results were collected and analyzed.

  Results: The response rate was 89.0%, and the total number of occurrences in 3 years was 360 cases. The main occurrence was maxillary sinusitis (73 cases; 20.3%), followed by inferior alveolar nerve injury (68 cases; 18.9%), migration of the implant into the maxillary sinus (67 cases; 18.6%), psychosomatic disorder (45 cases; 12.5%), and mental nerve injury (33 cases; 9.2%).

  Conclusion: The number of cases of medical trouble decreased from 471 in the previous survey to 360 in the present survey. The top five items in the present survey were the same as those in the previous survey but in a different order.

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© 2017 Japanese Academy of Maxillofacial Implants
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