How can i fix front teeth that flare out?

Multiple reasons: A tooth can flare out due to gum infection, decay or underlying agent having xray and dental exam will help diagnose the problem.

Flared teeth: There'd are lot's of reasons for flared teeth including, but not limited to malocclusion, gum disease, pernicious habits, etc. Call an Orthodontic Specialist for an Initial Examination (usually free) to determine the cause of the tooth malpositions and the palate of remedies available to you.