OMC Obstruction: contraindication for sinus lift?

Last Updated March 15, 2018

I am a planning sinus lift procedure with a lateral window approach. The CT scan demonstrates a thickened sinus mucosa. The patient was referred to an ENT. The findings were an OMC [osteomeatal complex] obstruction and thickening of the sinus mucosa (4-5 mm) – posed no problem for drainage. My question: is an obstructed OMC a contraindication for a sinus lift procedure with a lateral window approach? According to the ENT, this does not pose a problem.


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