If you have a filling  with a crack then the best option is to go for the crown as the crown will hold the tooth together and it will be durable. if you opt for composite, though it is cheap and less time consuming but it is not durable and chances are there that the tooth fractures further . So go for crown. If you want to know more about the cracked tooth syndrome then you can visit the following link on our website.......http://www.identalhub.com/articlecategory-cracked-tooth-56.aspx