Maxillofac Plast Reconstr Surg.  2017 Nov;39(11):35. 10.1186/s40902-017-0133-1.

Treatment of dental implant displacement into the maxillary sinus

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, School of Dentistry, Dental Science Research Institute, Chonnam National University, 77, Yongbong-ro, Buk-gu, Gwangju, 500-757 Republic of Korea. hkoh@jnu.ac.kr

Abstract

BACKGROUND
Displacement of dental implants into the maxillary sinus is rare, but it primarily occurs in patients with severe pneumatization of the maxillary sinus and/or deficiency of the alveolar process. Some complications such as the infection of the paranasal sinuses and formation of the oroantral fistula can be followed by the displacement of a dental implant. Therefore, the displaced implant has to be removed immediately with surgical intervention show and another plan for rehabilitation should be considered. MAIN BODY: The conventional procedure for the removal of a displaced implant from the maxillary sinus involves sinus bone grafting and new implant placement performed in two or more steps with a significant time gap in between. Simplification of these surgical procedures can decrease the treatment duration and patient discomfort.
CONCLUSIONS
In this review, we discuss the anatomical characteristics of the maxillary sinus and the complications associated with implant displacement into the sinus.

Keyword

Dental implant displacement; Maxillary sinus; Simultaneous treatment

MeSH Terms

Alveolar Process
Bone Transplantation
Dental Implants*
Humans
Maxillary Sinus*
Oroantral Fistula
Paranasal Sinuses
Rehabilitation
Dental Implants
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