tooth

gappy

The little boy grinned widely, showing off his gappy teeth before they grew in properly.

prominent, sticking-out

My little brother has prominent front teeth that he'll probably grow into.

crooked, jagged

My son's jagged teeth finally straightened out after he got braces.

misshapen

The dentist examined my misshapen teeth and recommended braces to straighten them.

needle-sharp, razor-sharp, sharp

The shark's needle-sharp teeth could slice through the boat's wooden hull.

baby, milk

My daughter lost her first milk tooth when she was five years old.

have out

My daughter had a tooth out last week and the dentist gave her a sticker.

lose

My son lost a tooth while eating an apple at school yesterday.

bare, reveal, show

When she laughed, she showed her teeth in a wide, genuine smile.

clamp, clench, grit

She gritted her teeth and pushed through the painful workout without complaining.

clamp sth between/in

She clamped the pencil between her teeth while she searched for her notebook.

sink

The dog sank its teeth into the rubber toy and shook it vigorously.

cut

My daughter was very uncomfortable when she cut her first tooth last month.

be/come through

Sarah's baby molars came through last month, so she can finally eat harder foods.

chatter

My teeth chattered nervously as I waited to hear if I got the job.

flash, gleam, glint, shine

When he laughed, his white teeth gleamed in the sunlight.

mark

The dog's teeth marks were visible on the wooden table leg.

against the/your ~

The metal fork scraped against my tooth while I was chewing.

between the/your ~

He held a pen between his teeth while he searched for his notebook on the desk.

in the/your ~

She had a piece of spinach in her tooth all through the meeting.

through the/your ~

He was so angry that he could barely speak through his teeth during the argument.