不ふ正せい咬こう合ごう

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Meanings

1

noun

malocclusion

dentistry

Dental term for misalignment of teeth or incorrect relation between the dental arches.

不negative, non-, bad

正correct, justice, righteous

咬bite, gnaw, chew

合fit, suit, join

歯し列れつ矯きょう正せい
歯列矯正 refers to orthodontic treatment to correct misaligned teeth, while 不正咬合 is the condition of misalignment itself.

Compound of 不正 (incorrect, improper) and 咬合 (occlusion, bite). The term is a direct medical compound used in dentistry.