Dental crowns are a reliable, versatile restoration that can restore both the function and appearance of damaged teeth. However, if you have a porcelain fused to metal crown, you may have noticed a dark line developing amidst your pearly whites. While this is a common cosmetic issue for this type of dental crown, it can be corrected with the latest dental materials and technology. Read on to learn what’s causing that black line around your dental crown and what you can do to restore your beautiful smile!