Brushing your teeth at night especially before sleeping & after eating is more important comparing with morning. Because saliva decreases during sleep by 8/1 & mouth self-cleaning decreases, therefore Leftovers & mouth dryness causes of tooth decay. Read more
When a tooth becomes severely damaged, broken, cracked, or decayed, a simple filling may no longer be enough. When the tooth needs to be dramatically reshaped or reconstructed, a dentist may need to use a dental crowns which is a permanent covering that fits over a tooth.
A crown is used to entirely cover a damaged tooth. Besides strengthening a damaged tooth, a crown can be used to improve its appearance, shape or alignment.
Dental Crown may be needed in the following situations: