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Thanks for putting up your question on Just Answer.
Sinus pain generally intensifies while bending down, rather than when lying down flat. It is also likely that this could be an abscess from one of your front teeth. Have you ever experienced an injury to those teeth in the past?
Also, is it possible for you to upload a photo of that area here?
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Alternatively, you can just use an external photo sharing site like www.imgur.com and copy-paste the URL of the image here.
Im sorry but your photos are completely out of focus, to be of any diagnostic use. Can you take another one please?
No that doesn't look like a sinus infection. You need to have the front teeth X rayed to rule out or rule in their involvement.
Hope this answers your question. Feel free to contact me again for more information.
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