The most common and most likely answer to this crossword clue is the 7 letter word DENTIST
D
E
N
T
I
S
T
More clues leading to the result DENTIST
- One filling small cavities over time?
- One fills some of the time at work
- Bash first for canine expert
- Professional looking down in the mouth?
- Extractor fan’s last in test I’d devised
- Cavity is treated initially by a health professional
- One with responsibility for bridge incident is testing spans
- Needing doctor? About time it’s inserted for Jock 7)
- He looks down in the mouth
- A number of people possibly sit and tend to shift about
Buddy explains!

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 DENTIST mean?
DENTIST noun- A medical doctor who specializes in dentistry.