Fig.3: Lower occlusal view (mirror image) shows rotation of L5s (black lines).

Note LL5 has two lingual cusps, whereas LR5 one.

It will be nice for any one of my assistants to make these two types of L5 temporary crown!

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Xin Wei, DDS, PhD, MS 1st edition 08/24/2013, last revision 08/25/2013