Many years ago a teacher told me that you could steam out a dent in a piece of wood (one where the wood fibers had been compressed, not a where they had been removed) using a wet rag and an iron.
from Apartment Therapy
How To Fix Dents in Wooden Floors & Furniture (With an Iron!) Apartment Therapy…
how to fix dents in wooden floors and furniture with an iron
from Creative Culinary - Food & Cocktail Recipes - Denver, Colorado
Wood Butter - A Recipe for Your Utensils!
Wood butter for your wooden items.