Proper dental care is critical to protect your oral health from serious problems. Tooth decay is one issue that can arise from poor oral hygiene. If left untreated, it can cause severe damage to your teeth. Luckily, dental fillings are one solution to preserve a healthy smile by restoring cavities, repairing cracks, and filling small holes caused by decay. Read on to learn which signs alert you of teeth that may require dental fillings and how to choose the best type for your pearly whites.