Metal Free Crowns- No Black Lines
| If you have a dental crown, this article is for you. In the old days of dentistry, there were only a few types of crown. Namely: 1. Metal crowns 2. Gold crowns 3. Porcelain bonded to metal crowns |
Metal and Gold CrownsNow metal and gold crowns have their place, but they do not look like teeth! Porcelain bonded to metal crowns were devised to overcome this problem and still provide adequate strength. Over the years, these have proven to be a great success on the whole. However, they still contain metal and all too often a black line would appear around the gum line due to gum recession (ever heard of the term 'long in the tooth'? |
Metal Free CrownsAt Progressive Dentistry, we aim to use metal free crowns wherever possible. There are a number of metal free crowns now available which have certain indications for the area required. For example, |
Zirconia CrownsZirconia crowns are extremely strong and durable with compressive strengths of 900MPa. These are excellent at the back of the mouth. |
Empress E max CrownsEmpress E max crowns are highly aesthetic and are our choice for front teeth. Have a look at some photos: |