Can sinus problem cause filiform papillae?

Yes, sinus problems can potentially contribute to the development of filiform papillae. Conditions like sinusitis can lead to post-nasal drip, which may irritate the throat and tongue, resulting in changes to the papillae. Additionally, inflammation and irritation from sinus issues can affect the oral environment, promoting conditions that lead to the elongation or alteration of filiform papillae. However, other factors such as poor oral hygiene or nutritional deficiencies are more common causes.