The beauty of a dining table is reflected in the condition of its finish. Many commercial wood cleaners will remove dust and grime while not harming your wood, but
Effects
Commercial bleach is a corrosive agent. It changes the chemistry of the wood and adds a greenish or yellow cast to the finish. Veneers present a specific problem when they come into contact with bleach -- the undiluted bleach seeps through to the glue and corrodes it, causing warping and lifting of the finish.
Warning
Commercial wood products can't fix all finish problems with your dining table. Uneven tones can be a challenge to correct. If you have first tried the products designed for furniture with poor results, diluted, never undiluted, bleach may help. This should only be used as a last resort, as you risk further damage to the wood.
Prevention/Solution
To safely clean