The self clean option just heats at high temperature. It's the same thing. Why are you trying to make life difficult?
Sometimes you'll get a poster here saying that ovens super high heat. That's because back in the day, they were made of brick or clay, which absorb smells and tastes. A modern enamel-lined oven isn't absorbent. Clean off visible dirt, set to the highest heat (we do 2 hours) and you're good to go.