'straight teeth' is correct and usable in written English.
You can use it to describe someone's teeth, especially in a clinical or dental context. For example, "The patient has very straight teeth, suggesting a good overall oral hygiene."
He had small straight teeth.
They still intend to pay for straight teeth.
Healthy, straight teeth don't come easily to those growing up without economic privilege.
The links are pin-connected, flat steel plates with straight teeth.
"With fluoride and orthodontia, kids have straight teeth with little decay," Dr. Neary said.
"Orthodontia is really so you have nice, straight teeth," said Ms. Dietel, chief compliance officer for WageWorks.
Not perfectly straight, or the result of braces, but better — he had naturally nearly perfectly straight teeth.
You're not going to make 'The Conformist.' " HE smiled, baring a set of big, straight teeth, then stared out the window for a long moment.
He found that traditional diets produced physical perfection, with a wide bone structure and straight teeth, no orthodontists needed, while those who abandoned the food they had evolved with for processed foods were afflicted with disease and crooked teeth.
Based on the geometric analysis, the mathematical model of this new tooth profile is presented, leading to a presentation of a helical tooth profile and a comparative study between the three-lobe helical tooth and a conventional straight tooth.
Those characters are the straight dentary, fine and straight tooth serrations, tibia longer than the femur, presence of trochanteric shelf, and fourth trochanter placed proximally on the shaft of the femur, among others.
