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  Zanko J Med Sci:  Apr. 2017; 21 (1): 1536-1539

Intentional penetration of dental implants into the maxillary sinus: a retrospective study

Omed Ikram Shihab*

* Department of Oral and Maxillofacial Surgery, College of Dentistry, Hawler Medical University, Erbil, Iraq.

doi.org/10.15218/zjms.2017.001


Abstract

Background and objective: Perforation of the maxillary sinus by a dental implant is an issue of concern by many dental implant clinicians. This study aimed to assess the success rate and consequences of dental implants emerging into the maxillary sinus.

Methods: The maxillary sinus was intentionally perforated for dental implant placement in 35 patients with reduced posterior maxillary bone height (4 mm or more). A total of 70 implants engaged bicortically and emerged into the sinus. Nineteen female and 16 male patients were involved in the study. The patients were followed up for sinus complications and dental implant success.

Results: From the total, only two implants were failed; one during gingival former placement and the other after loading by one year. No patient presented with sinusitis clinically and radiographically. Three patients developed epistaxis just on the day of surgery and became well after on.

Conclusion: Within the limits of this study, dental implant emergence into healthy maxillary sinus is considered a safe and successful procedure.

Keywords: Dental implant; Maxillary sinus; Complications.


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