noun
row of teeth; dental arch
Technical term used in dentistry and anatomy; in everyday language, 歯並び (はならび) is more common for tooth alignment.
歯列矯正は歯列の並びを整える治療です。
Orthodontic treatment is a therapy to align the row of teeth.
歯列弓の形は人によって異なる。
The shape of the dental arch varies from person to person.