Sometimes a beautiful smile takes work that is a bit more involved. If you notice strain when biting down, pain during chewing, or difficulty in speaking due to misaligned or missing teeth, bridges might be the right option for you. HUH? They work by literally bridging the gaps between missing teeth, closing spaces with durable, injury-resistant, realistic-looking artificial teeth. Because they are semi-permanent, bridges can be removed only by a dentist but are long lasting and strong.