Good, the "i" in Klahanie makes things difficult doesn't it; makes something seem out of place.
I believe with the leaf, you are trying to make the tooth look like an apple? I have never understood why an apple is associated with dentistry.
The tooth in #27 & #26 looks too much like a heart and I don't like the "k" on the tooth. The tooth on #24 seems too 3D and polished for the flatness of the words. Like the concepts of #24, 25, 26, 27