Your dutch oven manual is the best place to look when determining how to clean a dutch oven. Generally, both enameled cast iron dutch ovens and seasoned dutch ovens are better off hand washed. Frequent dishwashing can dull the enamel coating on an enameled dutch oven, and traditional, seasoned dutch ovens can’t be cleaned with soap or soaked in water.
Instead, wash an enameled dutch oven with warm soapy water using nylon pads or scrapers to remove food, rather than metal pads or utensils that may scratch and chip. Soap can ruin a seasoned dutch oven and immersion in water can lead to rust. To clean a traditional dutch oven, boil water with baking soda sprinkled in to help loosen food before scraping, then rinse thoroughly and dry immediately.