歯並び（はならび、hanarabi）
- alignment of teeth

The Japanese word 歯並び (はならび, *hanarabi*) refers to the alignment or arrangement of teeth. It describes how the teeth are positioned in the mouth, and whether they are straight, crooked, crowded, or properly spaced. It's a compound word, combining 歯 (*ha*), meaning "tooth," and 並び (*narabi*), meaning "arrangement," "line," or "row." 歯並び is a critical aspect of oral health, aesthetics, and overall well-being.

⚫︎彼女の歯並びはとても綺麗です。 Translation: Her teeth alignment is very beautiful. ⚫︎矯正で歯並びを改善したいです。 Translation: I want to improve my teeth alignment through orthodontics. ⚫︎子供の歯並びが心配です。 Translation: I am worried about my child's teeth alignment.

You use 歯並び when discussing the way teeth are positioned. It is commonly used in conversations with dentists, orthodontists, or when talking about dental health and appearance. You can use it to describe good or bad teeth alignment.

歯並び is typically written in kanji and hiragana: 歯並び. The 歯 is written with kanji, and 並び is written in hiragana. The okurigana (the suffix hiragana) for 並び is always び.

There aren't many direct synonyms for 歯並び that convey the same level of specificity. You might use more general terms, depending on the context. However, a close synonym that refers to the process of improving the teeth arrangement is 歯列矯正 (*shiretsu kyousei*), which means "orthodontics."

There is no direct antonym for 歯並び. However, words or phrases used to describe poor teeth alignment would be related: ⚫︎ 乱れた歯並び (*midareta hanarabi*) - Crooked teeth alignment ⚫︎ 叢生 (*soushusei*) - Crowded teeth ⚫︎ 不正咬合 (*fuseikougou*) - Malocclusion (bad bite) These phrases describe undesirable teeth alignment.

歯の健康のためには、良い歯並びが大切です。 ・Translation: Good teeth alignment is important for oral health. ・Explanation: This sentence emphasizes the importance of proper teeth alignment for maintaining healthy teeth and gums.

私は子供の頃に歯並びが悪くて、矯正治療を受けました。 ・Translation: When I was a child, my teeth alignment was bad, and I had orthodontic treatment. ・Explanation: This sentence describes personal experience with orthodontic treatment to correct poor teeth alignment.

The word 歯並び is a straightforward compound of 歯 (*ha*) and 並び (*narabi*). 歯 (*ha*) has been a part of the Japanese vocabulary for a very long time, and 並び (*narabi*) which means "arrangement" or "line," is also a common word in Japanese. The combination of the two reflects the concept of the arrangement of teeth, a core concept in oral health.