Deciduous and permanent canines

[Akam ahz]

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Hello,

I’m a first year dental student, and I am having an exam tomorrow in which we will be asked to identify some natural teeth, and know which exactly is the tooth we are looking at.

I am confused how to differentiate between natural deciduous canines and permanent canines, especially upper ones. Because I don’t think that they differ a lot in natural.

I there any tips?

N.B. The teeth are natural and extracted. We are not gonna identify them looking to mouths of people.

Thanks in advance!

 

[PreDentTechySon]

That’s a tough one to determine. Are they going to be side by side? Because if that’s the case I would just go based on size.

The only thing I could find at first glance is the primary canines have a larger mesial cusp ridge than a distal cusp ridge whereas the permanent canines are the opposite.

 

[schmoob]

Try looking at color maybe as well. Permanent dentition is generally more yellow due to the increased dentin thickness

 

[Akam ahz]

That’s a tough one to determine. Are they going to be side by side?

Try looking at color maybe as well. Permanent dentition is generally more yellow due to the increased dentin thickness

Unfortunately, we are going to identify only one tooth, and we are not allowed to look at another tooth to compare between them.

Do you have another idea?

 

[lemoncurry]

is it a picture of a tooth or an actual tooth that you can hold? adult canines are pretty dang long. the crown of the baby tooth is proportionally shorter than the adult, IMO. It has an appearance, in my opinion, that it was "squished" between your fingers along the long axis.