Why don’t we have room for wisdom teeth?

Wisdom teeth or third molars usually appear, or try to, in our late teens.  The majority of us do not seem to have sufficient room for them to erupt into proper position and alignment.  Genetics plays a role in this.  The genes for the size of your teeth is on a completely different chromosome than the gene for jaw bone size.  Depending on what your parents have and the combination of these chromosomes you inherit, you may or may not have a mismatch in tooth size vs. jaw size.

For some there is plenty of room and they line themselves up with the other teeth.  For others there may be barely enough room and they only partially erupt through the bone and gums (partially impacted).  These can be difficult to maintain and may produce gum problems.  For still other people with even less room, these teeth may stay completely buried under the bone (total impaction) and often we can just leave them alone.


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s