No: If the antibiotic was caused by a flare-up post root canal, then it should be fine. However, if the infection was caused by bacteria that may still be in the tooth, or a missed canal, the infection can come back. If the tooth is not restored properly with a permanent filling, the infection can come back.
For other people with similar names, see Sarah Allen (disambiguation). Sara Allen is an American songwriter best known for her work with the duo Hall & Oates. Though never married, she was in a long-time relationship with Daryl Hall until 2001. She contributed to many of the duo's hit singles, including Private Eyes, I Can't Go for That (No Can Do) and Maneater.
Sara Paretsky, (born June 8, 1947, Ames, Iowa, U.S.), American mystery writer known for her popular series of novels featuring V.I. Warshawski, a female private investigator. Her books are set in and around Chicago.