A Hollywood smile can define your jaw, brighten and align your teeth and give your mouth youthful movement. Yes, as we age our jaw tends to move differently too! In addition to considering a Hollywood smile because your jaw-line is no longer well defined, your teeth have ‘shifted’ and your face looks generally older – reasons can also include any or a combination of the following: teeth stained by medications and antibiotics such as tetracycline, chipped, broken and crooked teeth, spaced teeth, misshapen teeth, discoloured teeth, or even the renewal of old and deteriorated dental work.