The most common and most likely answer to this crossword clue is the 5 letter word MOLAR
M
O
L
A
R
More clues leading to the result MOLAR
- Minutes before oral, damaged back tooth
- Damage surrounding short old tooth
- Doctor, one avoiding study of something in dentistry
- Second half of larger tooth
- It grinds, moving only left and right at first
- Tooth damage has initially occasioned large filling
- Relating to large masses may be called wisdom
- Back biter?
- Good to swap hands used for grinding
- Moral degeneration in the mouth
Buddy explains!

The straight part
We know that "tooth" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tooth = molar.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MOLAR mean?
MOLAR noun- A back tooth having a broad surface used for grinding one's food.
- Of or relating to the molar teeth, or to grinding.
- A unit of concentration equal to one mole per litre.
- Of, relating to, or being a solution containing one mole of solute per litre of solution.
- Of or relating to a complete body of matter as distinct from its molecular or atomic constituents.