Possible Clues:

• Change the essence of
• Change character of versatile Durante by removal of all but tip of schnozzle
• Change character of ace wearing false teeth
• Contaminate false teeth with article becoming embedded
• EU 26 to bring about a property change
• Just get the character out of it for a change (8)
• Spoil a set outside
• Extract the essence from article in singular fixture
• Change the inherent character of
• Change properties of article, clamping set of teeth round