Hypoplastic and Hypomineralised Teeth

The term "hypoplastic" means less quantity of enamel, and the term "hypomineralised" means less mineralised tissue. Basically this involves a tooth which is less mineralised therefore more porous. A hypoplastic tooth has reduced amount of enamel so the surface may be rough. Your child may have teeth which have developed in this manner.

The most common teeth to be affected are the second primary molars which erupt at the age of 2½ years or in the permanent dentition the first permanent molars which erupt at age 6.

Download the fact sheet below to find out more:

Hypomineralised/Hypoplastic Teeth [PDF 183kb]

Case Study

Hypomineralised enamel can affect anterior incisors in some children. The images below take you through the procedure, step by step:

This 11 year old boy was becoming self conscious of the appearance of his front discoloured tooth; as he was getting some teasing.

Step 1:

Step 2:

Step 3:

Step 4:

Final Result:

The tooth was anaesthetised, and rubber dam placed to keep it dry during the placement of the restoration.

The restoration has been built up in six layers to create a good aesthetic result.



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