A: All praise be to Allah Alone, and peace and blessings be upon His Messenger, and his family and Companions.
Your wudu' or Ghusl is valid even if there are some food particles left between your teeth. However, it is better to remove them. (Part No. 5; Page No. 235) May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.