| 歯 | は | tooth; teeth; tooth (of a comb, saw, etc.); cog | n5 |
| 歯車 | はぐるま | gear; cogwheel; cog (in an organization, company, etc.); cog in the machine | n2 |
| 前歯 | まえば | front tooth; foretooth; incisor | |
| 歯科 | しか | dentistry | |
| 歯ぎしり | はぎしり | involuntary nocturnal tooth grinding; bruxism; grinding one's teeth out of anger or vexation | n1 |
| 奥歯 | おくば | back tooth; molar | |
| 歯痒い | はがゆい | (feeling) impatient; irritated; irritating; frustrated | |
| 羊歯 | しだ | fern (esp. species Gleichenia japonica); fernery | |
| 歯がゆい | はがゆい | (feeling) impatient; irritated; irritating; frustrated | |
| 仮歯 | かし | false tooth | n5 |
| 歯切れ | はぎれ | feel when biting; manner of enunciation | |
| 歯医者 | はいしゃ | dentist | n4 |
| 虫歯 | むしば | tooth decay; decayed tooth; dental cavity; dental caries | n3 |
| 歯並 | はなみ | row of teeth; set of teeth; dentition | n4 |
| 歯牙 | しが | teeth; teeth and tusks | |
| 金歯 | きんば | gold tooth | |
| 鋸歯 | きょし | teeth of a saw; saw teeth; serration; serration (of a leaf) | |
| 歯噛み | はがみ | grinding of the teeth; involuntary nocturnal tooth grinding; bruxism; grinding one's teeth out of anger or vexation | |
| 歯痛 | しつう | toothache | |
| 歯磨 | はみがき | dental brushing; brushing one's teeth; dentifrice; toothpaste | n3 |
| 歯ブラシ | はブラシ | toothbrush | n1 |
| 歯朶 | しだ | fern (esp. species Gleichenia japonica); fernery | |
| 入歯 | いれば | false tooth; denture | |
| 歯ぐき | はぐき | gums; gingiva | |
| 歯ごたえ | はごたえ | chewiness; firmness; feel of food while being chewed; challenge (e.g. work, book) | |
| 年歯 | としは | age; years (old) | |
| 歯科医師 | しかいし | dentist | |
| 歯磨き | はみがき | dental brushing; brushing one's teeth; dentifrice; toothpaste | n3 |
| 歯茎 | はぐき | gums; gingiva | |
| 犬歯 | けんし | eyetooth; cuspid; canine (tooth); dogtooth | n1 |
| 歯齦 | しぎん | gums; gingiva | |
| 義歯 | ぎし | artificial tooth | |
| 糸切歯 | いときりば | canine tooth | |
| 齲歯 | むしば | tooth decay; decayed tooth; dental cavity; dental caries | n3 |
| 朴歯 | ほおば | geta supports made out of magnolia wood; geta with these supports | |
| お歯黒 | おはぐろ | tooth blackening; tooth-blackening dye | |
| 歯止め | はどめ | brake; drag; skid; pawl | n1 |
| 歯軋り | はぎしり | involuntary nocturnal tooth grinding; bruxism; grinding one's teeth out of anger or vexation | n1 |
| 歯形 | はがた | impression of the teeth; tooth mold (mould); tooth mark; teeth marks | |
| 歯する | よわいする | to associate (with); to join the company of; to stand alongside (as an equal) | |
| 遊星歯車 | ゆうせいはぐるま | planetary gear; planetary wheel | |
| 入れ歯 | いれば | false tooth; denture | |
| 歯並び | はならび | row of teeth; set of teeth; dentition | |
| 歯みがき | はみがき | dental brushing; brushing one's teeth; dentifrice; toothpaste | n3 |
| 抜歯 | ばっし | tooth extraction | |
| 皓歯 | こうし | pearly white teeth | n2 |
| 臼歯 | きゅうし | molar (tooth); grinder; premolar | n2 |
| 乳歯 | にゅうし | baby tooth; milk tooth; first set of teeth | n3 |
| むし歯 | むしば | tooth decay; decayed tooth; dental cavity; dental caries | n3 |
| 八重歯 | やえば | double tooth; protruding tooth (like a fang); high canine | |
| 切歯扼腕 | せっしやくわん | being enraged (indignant, impatient); gnashing the teeth and clenching the arms on the breast (in anger or regret) | |
| 出歯 | でば | protruding tooth; overbite | |
| 歯根 | しこん | root of a tooth | |
| 歯肉 | しにく | gums; gingiva | |
| 歯磨き粉 | はみがきこ | tooth powder; toothpaste | |
| 門歯 | もんし | incisor | |
| 出っ歯 | でっぱ | protruding tooth; overbite; bucktooth | |
| 明眸皓歯 | めいぼうこうし | starry eyes and beautiful white teeth (said of beautiful women) | |
| 歯音 | しおん | dental; dental consonant; dental sound | |
| 歯入れ | はいれ | repairing clogs | |
| 歯科医 | しかい | dentist | n3 |
| 歯学 | しがく | dentistry | |
| 歯列 | しれつ | row of teeth | |
| 歯間 | しかん | space between the teeth; interdental space | |
| 歯学部 | しがくぶ | faculty of dentistry; school of dentistry; dental school | |
| 継ぎ歯 | つぎば | capped tooth; (dental) crown | |
| 歯冠 | しかん | crown of a tooth | |
| 歯応え | はごたえ | chewiness; firmness; feel of food while being chewed; challenge (e.g. work, book) | |
| 歯科医院 | しかいいん | dental clinic; dental surgery | |
| 糸切り歯 | いときりば | canine tooth | |
| 出歯亀 | でばがめ | voyeur; Peeping Tom | |
| 永久歯 | えいきゅうし | permanent tooth | |
| 歯石 | しせき | tartar; calculus | |
| 大臼歯 | だいきゅうし | molar | |
| 太陽歯車 | たいようはぐるま | sun gear; sun wheel | |
| 歯槽 | しそう | (dental) alveolus; tooth socket | n2 |
| 人工歯 | じんこうし | artificial tooth; fake teeth | |
| 反っ歯 | そっぱ | prominent front teeth; buckteeth; projecting teeth | |
| 歯ならび | はならび | row of teeth; set of teeth; dentition | |
| 矯正歯科 | きょうせいしか | orthodontics | |
| 歯科衛生士 | しかえいせいし | dental hygienist | |
| 東京医科歯科大学 | とうきょういかしかだいがく | Tokyo Medical and Dental University | |
| 歯舌 | しぜつ | radula | |
| 歯科用 | しかよう | dental use | |
| 唇歯輔車 | しんしほしゃ | mutual dependence | |
| 歯垢 | しこう | (dental) plaque | n1 |
| 歯型 | はがた | impression of the teeth; tooth mold (mould); tooth mark; teeth marks | |
| 鬼歯 | おにば | protruding tooth (like a fang) | |
| 歯磨剤 | しまざい | dentifrice; toothpaste; toothpowder | |
| 歯肉炎 | しにくえん | gingivitis | |
| 歯面 | しめん | surface of a tooth | n1 |
| 反歯 | そっぱ | prominent front teeth; buckteeth; projecting teeth | |
| 歯髄 | しずい | pulp (of a tooth); dental pulp | |
| そっ歯 | そっぱ | prominent front teeth; buckteeth; projecting teeth | |
| 前臼歯 | ぜんきゅうし | premolar | |
| 小臼歯 | しょうきゅうし | premolar | |
| 歯磨粉 | はみがきこ | tooth powder; toothpaste | |
| 味噌っ歯 | みそっぱ | decayed (baby) tooth | |
| 審美歯科 | しんびしか | cosmetic dentistry; aesthetic dentistry; esthetic dentistry | |
| 歯向かう | はむかう | to strike back at; to bite back; to turn on; to rise against | |
| 切歯 | せっし | incisor (esp. in humans); grinding one's teeth; bruxism; gnashing of teeth | |
| 智歯 | ちし | wisdom tooth | |
| 傘歯車 | かさはぐるま | bevel gear | |
| 歯科医師法 | しかいしほう | Dental Practitioners Act | |
| 日本歯科大学 | にっぽんしかだいがく | Nippon Dental University | |
| 知歯 | ちし | wisdom tooth | |
| 銀歯 | ぎんば | silver-capped tooth | |
| 平歯車 | ひらはぐるま | spur gear | |
| 後臼歯 | こうきゅうし | molar | |
| 雄羊歯 | おしだ | thick-stemmed wood fern (Dryopteris crassirhizoma) | |
| 歯科大学 | しかだいがく | dental college; dental university | |
| 九州歯科大学 | きゅうしゅうしかだいがく | Kyushu Dental University | |
| 東京歯科大学 | とうきょうしかだいがく | Tokyo Dental College | |
| 神奈川歯科大学 | かながわしかだいがく | Kanagawa Dental University | |
| 歯状 | しじょう | dentation; tooth shape | n3 |
| 歯質 | ししつ | dentin; dentine | n1 |
| 差歯 | さしば | post crown; dowel crown; false tooth; "tooth" on a geta clog | |
| 歯黒 | はぐろ | tooth blackening | |
| 継歯 | つぎば | capped tooth; (dental) crown | |
| 埋伏歯 | まいふくし | impacted tooth | |
| 小羊歯 | こしだ | Old World forked fern (Dicranopteris linearis) | |
| 差し歯 | さしば | post crown; dowel crown; false tooth; "tooth" on a geta clog | |
| 歯固め | はがため | tooth hardening toy (for infants); teether; teething ring; tooth hardening meal | |
| 歯槽骨 | しそうこつ | alveolar bone | |
| 玉羊歯 | たましだ | tuberous sword fern (Nephrolepis cordifolia) | |
| 歯槽膿漏 | しそうのうろう | periodontitis; pyorrhea; pyorrhoea; pyorrhea alveolaris | |
| 歯科医学 | しかいがく | dental medicine; dentistry | |
| 大阪歯科大学 | おおさかしかだいがく | Osaka Dental University | |
| 松本歯科大学 | まつもとしかだいがく | Matsumoto Dental University | |
| 歯が立たない | はがたたない | unable to compete with; not able to make a dent in (e.g. a problem); not able to get a solid hit in (e.g. in a fight); hard to chew | |
| う歯 | うし | carious tooth; decayed tooth | n5 |
| 務歯 | むし | zipper teeth; zip teeth | n4 |
| 歯なみ | はなみ | row of teeth; set of teeth; dentition | n4 |
| 歯並み | はなみ | row of teeth; set of teeth; dentition | n4 |
| 序歯 | じょし | arranging seats by seniority | n3 |
| 断歯 | だんし | teeth clipping; grinding down teeth | n3 |
| 歯偏 | はへん | kanji "tooth" radical at left | n2 |
| 削歯 | さくし | teeth clipping; teeth filing | n1 |
| 唇歯 | しんし | lips and teeth; mutually dependent relation | n1 |
| 成歯 | せいし | permanent tooth | n1 |
| 換歯 | かんし | replacement of lost teeth | n1 |
| 生歯 | せいし | teething; cutting teeth; dentition | n1 |
| 陶歯 | とうし | porcelain tooth | n1 |
| 歯刷子 | はブラシ | toothbrush | n1 |
| 歯軌条 | しきじょう | cog rail | n1 |
| 上歯 | うわば | upper teeth | |
| 下歯 | したば | lower teeth | |
| 中歯 | ちゅうば | medium height geta | |
| 櫛歯 | くしば | comb teeth | |
| 歯元 | はもと | root (of a tooth); dedendum | |
| 歯周 | ししゅう | periodontal; parodontal | |
| 歯固 | はがため | tooth hardening toy (for infants); teether; teething ring; tooth hardening meal | |
| 歯塩 | はじお | dental calculus; tartar | |
| 歯屎 | はくそ | (dental) plaque | |
| 歯滓 | はかす | (dental) plaque | |
| 歯糞 | はくそ | (dental) plaque | |
| 歯芽 | しが | tooth germ | |
| 歯釜 | はがま | broad-brimmed cooking pot for rice | |
| 歯骨 | しこつ | dentary bone; dentary | |
| 歯鯨 | はくじら | toothed whale; odontocete | |
| 歯鰹 | はがつお | striped bonito (Sarda orientalis); Mexican bonito | |
| 添歯 | そいば | double tooth; protruding tooth (like a fang) | |
| 青歯 | あおば | Bluetooth (variety of short-range wireless LAN) | |
| 高歯 | たかば | clogs with high supports | |
| 齧歯 | げっし | rodent | |
| ギザ歯 | ぎざば | jagged teeth | |
| 一本歯 | いっぽんば | tall geta with a single tooth | |
| 乱杭歯 | らんぐいば | uneven teeth | |
| 乳犬歯 | にゅうけんし | deciduous cuspid; deciduous canine tooth | |
| 出歯る | でばる | to behave perversely; to (sexually) assault a woman | |
| 出歯鼠 | でばねずみ | African mole rat (any rodent of family Bathyergidae) | |
| 剣歯虎 | けんしこ | saber-toothed tiger (sabre) | |
| 医歯薬 | いしやく | medical, dental and pharmacological | |
| 同歯性 | どうしせい | homodont | |
| 咽頭歯 | いんとうし | pharyngeal tooth; pharyngeal teeth | |
| 唇歯音 | しんしおん | labiodental; labiodental consonant | |
| 小歯朶 | こしだ | Old World forked fern (Dicranopteris linearis) | |
| 幻歯痛 | げんしつう | phantom tooth pain | |
| 御歯黒 | おはぐろ | tooth blackening; tooth-blackening dye | |
| 扇歯鯨 | おうぎはくじら | Stejneger's beaked whale (Mesoplodon stejnegeri) | |
| 斑状歯 | はんじょうし | mottled teeth; mottled enamel; fluorosis | |
| 日歯連 | にっしれん | Japan Dentists Federation (abbr) | |
| 架工歯 | かこうし | pontic | |
| 梁歯目 | りょうしもく | Docodonta | |
| 歯かす | はかす | (dental) plaque | |
| 歯がみ | はがみ | grinding of the teeth; involuntary nocturnal tooth grinding; bruxism; grinding one's teeth out of anger or vexation | |
| 歯くそ | はくそ | (dental) plaque | |
| 歯の根 | はのね | root of a tooth; fang | |
| 歯切り | はぎり | gnashing the teeth; gear cutting | |
| 歯切盤 | はぎりばん | gear cutting machine | |
| 歯列弓 | しれつきゅう | dental arch | |
| 歯向う | はむかう | to strike back at; to bite back; to turn on; to rise against | |
| 歯周炎 | ししゅうえん | periodontitis | |
| 歯周病 | ししゅうびょう | periodontal disease; gum disease | |
| 歯嚙み | はがみ | grinding of the teeth; involuntary nocturnal tooth grinding; bruxism; grinding one's teeth out of anger or vexation | |
| 歯抜け | はぬけ | having missing teeth; toothlessness | |
| 歯擦音 | しさつおん | sibilant; sibilant consonant | |
| 歯根膜 | しこんまく | periodontal membrane; periodontal ligament | |
| 歯槽炎 | しそうえん | alveolitis | |
| 歯牙状 | しがじょう | dentation | |
| 歯牙腫 | しがしゅ | odontoma | |
| 歯神経 | ししんけい | dental nerve | |
| 歯科学 | しかがく | dentistry | |
| 歯肉溝 | しにくこう | gingival sulcus | |
| 歯育て | はそだて | dental health (in babies and young children) | |
| 歯脱け | はぬけ | having missing teeth; toothlessness | |
| 歯膜炎 | しまくえん | periodontitis | |
| 歯茎音 | はぐきおん | alveolar consonant | |
| 歯触り | はざわり | texture (e.g. chewiness, hardness, crispiness, crunchiness, etc.) of food | |
| 歯髄炎 | しずいえん | pulpitis | |
| 歯髄腔 | しずいこう | pulp cavity | |
| 歯齦炎 | しぎんえん | gingivitis | |
| 水歯磨 | みずはみがき | mouthwash | |
| 海羊歯 | うみしだ | feather star (Comatulida spp.); comatulid; Comanthus japonica (species of feather star) | |
| 添い歯 | そいば | double tooth; protruding tooth (like a fang) | |
| 煉歯磨 | ねりはみがき | toothpaste | |
| 獣歯類 | じゅうしるい | Theriodontia; theriodonts | |
| 異歯性 | いしせい | heterodont | |
| 異歯類 | いしるい | anomodonts | |
| 瘤歯鯨 | こぶはくじら | Blainville's beaked whale (Mesoplodon densirostris); dense-beaked whale | |
| 知恵歯 | ちえば | wisdom tooth | |
| 穂羊歯 | ほしだ | Thelypteris acuminata (species of fern) | |
| 竜の歯 | りゅうのは | dragon's teeth | |
| 筬羊歯 | おさしだ | Blechnum amabile (species of hard fern) | |
| 紅羊歯 | べにしだ | autumn fern (Dryopteris erythrosora); Japanese shield fern; Japanese wood fern; copper shield fern | |
| 紐歯鯨 | ひもはくじら | strap-toothed whale (Mesoplodon layardii); Layard's beaked whale | |
| 練歯磨 | ねりはみがき | toothpaste | |
| 肉歯目 | にくしもく | Creodonta; extinct order of mammals | |
| 舌歯音 | ぜっしおん | linguadental consonant | |
| 蝋義歯 | ろうぎし | trial denture; wax denture | |
| 裂肉歯 | れつにくし | carnassial; carnassial tooth | |
| 貧歯類 | ひんしるい | edentates (i.e. anteaters, sloths, armadillos) | |
| 重歯目 | じゅうしもく | Lagomorpha; order of rabbits, hares and pikas | |
| 鎖歯車 | くさりはぐるま | sprocket wheel | |
| 齧歯目 | げっしもく | Rodentia (order comprising the rodents) | |
| 齧歯類 | げっしるい | rodents | |
| 龍の歯 | りゅうのは | dragon's teeth | |
| げっ歯目 | げっしもく | Rodentia (order comprising the rodents) | |
| げっ歯類 | げっしるい | rodents | |
| みそっ歯 | みそっぱ | decayed (baby) tooth | |
| ゲッ歯類 | げっしるい | rodents | |
| 三錐歯目 | さんすいしもく | Triconodonta; Eutriconodonta; order of early mammals | |
| 両面羊歯 | りょうめんしだ | upside-down fern (Arachniodes standishii) | |
| 人工歯根 | じんこうしこん | artificial tooth root; dental implant | |
| 六歳臼歯 | ろくさいきゅうし | six-year molar | |
| 出歯かめ | でばがめ | voyeur; Peeping Tom | |
| 出歯ガメ | でばがめ | voyeur; Peeping Tom | |
| 出歯雀鯛 | デバスズメダイ | blue green damselfish (Chromis viridis); blue-green chromis | |
| 医歯薬学 | いしやくがく | (study of) medicine, dentistry and pharmacology | |
| 医科歯科 | いかしか | medical and dental college | |
| 南扇歯鯨 | みなみおうぎはくじら | Gray's beaked whale (Mesoplodon grayi) | |
| 古異歯類 | こいしるい | Paleoheterodonta (subclass of bivalve molluscs) | |
| 多丘歯目 | たきゅうしもく | Multituberculata (extinct order of rodent-like mammals) | |
| 孔雀羊歯 | くじゃくしだ | northern maidenhair (Adiantum pedatum) | |
| 差動歯車 | さどうはぐるま | differential gear | |
| 数歯巨頭 | かずはごんどう | melon-headed whale (Peponocephala electra); many-toothed blackfish; electra dolphin | |
| 斜歯歯車 | はすばはぐるま | helical gear | |
| 木生羊歯 | もくせいシダ | tree fern | |
| 朱唇皓歯 | しゅしんこうし | red lips and pearly white teeth (said of beautiful women) | |
| 架工義歯 | かこうぎし | bridge; bridgework | |
| 歯がうく | はがうく | to have one's teeth set on edge; to become annoyed; to get loose teeth | |
| 歯が浮く | はがうく | to have one's teeth set on edge; to become annoyed; to get loose teeth | |
| 歯が立つ | はがたつ | to be within one's capabilities; to be easy to chew | |
| 歯ざわり | はざわり | texture (e.g. chewiness, hardness, crispiness, crunchiness, etc.) of food | |
| 歯の妖精 | はのようせい | tooth fairy | |
| 歯を抜く | はをぬく | to pull teeth out; to extract a tooth | |
| 歯を磨く | はをみがく | to brush one's teeth | |
| 歯内療法 | しないりょうほう | endodontic treatment; endodontic therapy | |
| 歯切り盤 | はぎりばん | gear cutting machine | |
| 歯列矯正 | しれつきょうせい | orthodontia; orthodontics | |
| 歯根膜炎 | しこんまくえん | periodontitis | |
| 歯歯茎音 | ししけいおん | denti-alveolar consonant | |
| 歯牙疾患 | しがしっかん | dental disease | |
| 歯磨き剤 | はみがきざい | dentifrice; toothpaste | |
| 歯磨楊子 | はみがきようじ | toothbrush | |
| 歯磨楊枝 | はみがきようじ | toothbrush | |
| 歯科医術 | しかいじゅつ | dentistry | |
| 歯科検診 | しかけんしん | dental exam; dental checkup | |
| 歯科病院 | しかびょういん | dental hospital | |
| 水歯磨き | みずはみがき | mouthwash | |
| 海羊歯目 | ウミシダもく | Comatulida (order of crinoids); feather stars | |
| 煉り歯磨 | ねりはみがき | toothpaste | |
| 異歯亜目 | いしあもく | Anomodontia (suborder of therapsids) | |
| 異歯亜綱 | いしあこう | Heterodonta (subclass of bivalve molluscs, including the clams and cockles) | |
| 皺歯海豚 | しわはいるか | rough-toothed dolphin (Steno bredanensis) | |
| 筋性歯痛 | きんせいしつう | muscular toothache | |
| 箱根羊歯 | はこねしだ | Adiantum monochlamys (species of maidenhair fern) | |
| 総入れ歯 | そういれば | full dentures (e.g. no real teeth left) | |
| 練り歯磨 | ねりはみがき | toothpaste | |
| 練歯磨き | ねりはみがき | toothpaste | |
| 羊歯植物 | シダしょくぶつ | pteridophyte (any plant of division Pteridophyta, incl. ferns and fern allies) | |
| 茶筅羊歯 | ちゃせんしだ | maidenhair spleenwort (Asplenium trichomanes) | |
| 蓬莱羊歯 | ほうらいしだ | Southern maidenhair fern (Adiantum capillus-veneris); black maidenhair fern; Venus hair fern | |
| 虫食い歯 | むしくいば | decayed tooth | |
| 蚰蜒羊歯 | げじげじしだ | Japanese beech fern (Thelypteris decursive-pinnata) | |
| 裸出歯鼠 | はだかでばねずみ | naked mole rat (Heterocephalus glaber) | |
| 輔車唇歯 | ほしゃしんし | mutual dependence | |
| 銀杏歯鯨 | いちょうはくじら | ginkgo-toothed beaked whale (Mesoplodon ginkgodens) | |
| 齧歯動物 | げっしどうぶつ | gnawing animal; rodent | |
| げっ歯動物 | げっしどうぶつ | gnawing animal; rodent | |
| ねり歯磨き | ねりはみがき | toothpaste | |
| 三手篦羊歯 | みつでへらしだ | Java fern (Microsorum pteropus) | |
| 全部床義歯 | ぜんぶしょうぎし | complete denture | |
| 十文字羊歯 | じゅうもんじしだ | Polystichum tripteron (species of the wood fern family) | |
| 子持ち羊歯 | こもちしだ | crested Oriental chain fern (Woodwardia orientalis) | |
| 局部床義歯 | きょくぶしょうぎし | partial denture | |
| 御歯黒蜻蛉 | おはぐろとんぼ | Calopteryx atrata (species of damselfly) | |
| 歯が抜ける | はがぬける | to lose a tooth; to lose one's teeth | |
| 歯みがき粉 | はみがきこ | tooth powder; toothpaste | |
| 歯をみがく | はをみがく | to brush one's teeth | |
| 歯を立てる | はをたてる | to bite; to sink one's teeth into; to nip | |
| 歯を食縛る | はをくいしばる | to bear up in tragedy; to stand pain well; to hold one's temper; to put up (with something) | |
| 歯並蓑笠子 | はなみのかさご | red lionfish (Pterois volitans) | |
| 歯付ベルト | はつきベルト | toothed belt | |
| 歯内治療学 | しないちりょうがく | endodontolgoy; endodontics | |
| 歯内療法学 | しないりょうほうがく | endodontology; endodontics | |
| 歯切れいい | はぎれよい | crisp; staccato; piquant; clear | |
| 歯切れよい | はぎれよい | crisp; staccato; piquant; clear | |
| 歯切れ良い | はぎれよい | crisp; staccato; piquant; clear | |
| 歯列矯正器 | しれつきょうせいき | (orthodontic) braces | |
| 歯周治療学 | ししゅうちりょうがく | periodontics | |
| 歯根管治療 | しこんかんちりょう | root canal treatment; root canal therapy | |
| 歯牙矯正術 | しがきょうせいじゅつ | orthodontia | |
| 歯磨き楊子 | はみがきようじ | toothbrush | |
| 歯磨き楊枝 | はみがきようじ | toothbrush | |
| 歯科実験室 | しかじっけんしつ | dental laboratory | |
| 歯科技工士 | しかぎこうし | dental technician | |
| 歯科矯正学 | しかきょうせいがく | orthodontics; orthodontia | |
| 歯茎口蓋音 | しけいこうがいおん | alveopalatal consonant | |
| 歯車が狂う | はぐるまがくるう | to go wrong; to go awry; to go off track; to go out of whack | |
| 歯間ブラシ | しかんブラシ | interdental brush | |
| 湯ノ峰羊歯 | ゆのみねしだ | bat's wing fern (Histiopteris incisa); water fern | |
| 煉り歯磨き | ねりはみがき | toothpaste | |
| 矯正歯科医 | きょうせいしかい | orthodontist | |
| 練り歯磨き | ねりはみがき | toothpaste | |
| 虎の尾羊歯 | とらのおしだ | Asplenium incisum (species of spleenwort) | |
| 部分入れ歯 | ぶぶんいれば | partial denture | |
| 鱓の歯軋り | ごまめのはぎしり | feeble anger (that one cannot act on because one is powerless); the clenching teeth of a dried sardine | |
| ウォーム歯車 | ウォームはぐるま | worm gear | |
| ウオーム歯車 | ウォームはぐるま | worm gear | |
| ペリン扇歯鯨 | ペリンおうぎはくじら | Perrin's beaked whale (Mesoplodon perrini) | |
| 入れ歯洗浄剤 | いればせんじょうざい | denture cleanser | |
| 国際歯科連盟 | こくさいしかれんめい | Federation Dentaire Internationale | |
| 大歯団扇海老 | おおばうちわえび | smooth fan lobster (Ibacus novemdentatus) | |
| 太平洋扇歯鯨 | たいへいようおうぎはくじら | Andrews' beaked whale (Mesoplodon bowdoini) | |
| 差動歯車装置 | さどうはぐるまそうち | differential gear | |
| 新西蘭扇歯鯨 | ニュージーランドおうぎはくじら | Hector's beaked whale (Mesoplodon hectori) | |
| 東京医歯大学 | とうきょういしだいがく | Tōkyōishi University | |
| 歯がたたない | はがたたない | unable to compete with; not able to make a dent in (e.g. a problem); not able to get a solid hit in (e.g. in a fight); hard to chew | |
| 歯に絹着せぬ | はにきぬきせぬ | outspoken; forthright; frank; direct | |
| 歯に衣きせぬ | はにきぬきせぬ | outspoken; forthright; frank; direct | |
| 歯に衣着せぬ | はにきぬきせぬ | outspoken; forthright; frank; direct | |
| 歯を食い縛る | はをくいしばる | to bear up in tragedy; to stand pain well; to hold one's temper; to put up (with something) | |
| 歯切れがいい | はぎれがいい | crisp; staccato; piquant; clear | |
| 歯切れがよい | はぎれがいい | crisp; staccato; piquant; clear | |
| 歯切れが悪い | はぎれがわるい | inarticulate; not making oneself quite clear; slurring one's words; evasive | |
| 歯切れが良い | はぎれがいい | crisp; staccato; piquant; clear | |
| 歯切れのいい | はぎれのよい | crisp; staccato; piquant; clear | |
| 歯切れのよい | はぎれのよい | crisp; staccato; piquant; clear | |
| 歯切れの悪い | はぎれのわるい | inarticulate; not making oneself quite clear; slurring one's words; evasive | |
| 歯切れの良い | はぎれのよい | crisp; staccato; piquant; clear | |
| 歯周ポケット | ししゅうポケット | periodontal pocket | |
| 歯科衛生士法 | しかえいせいしほう | Dental Hygienists Act | |
| 福岡歯科大学 | ふくおかしかだいがく | Fukuoka Dental College | |
| 米国歯科学会 | べいこくしかがっかい | American College of Dentists; ACD | |
| 遊星歯車装置 | ゆうせいはぐるまそうち | planetary gear; epicyclic gear | |
| 電動歯ブラシ | でんどうはブラシ | electric toothbrush | |
| ごまめの歯軋り | ごまめのはぎしり | feeble anger (that one cannot act on because one is powerless); the clenching teeth of a dried sardine | |
| ハッブス扇歯鯨 | ハッブスおうぎはくじら | Hubb's beaked whale (Mesoplodon carlshubbi) | |
| ピグミー扇歯鯨 | ピグミーおうぎはくじら | pygmy beaked whale (Mesoplodon peruvianus); Peruvian beaked whale; lesser beaked whale | |
| 日本歯科医学会 | にっぽんしかいがっかい | Japanese Association for Dental Science | |
| 歯にきぬ着せぬ | はにきぬきせぬ | outspoken; forthright; frank; direct | |
| 歯に絹を着せぬ | はにきぬをきせぬ | outspoken; forthright; frank; direct | |
| 歯に絹着せない | はにきぬきせない | outspoken; forthright; frank; direct | |
| 歯に衣きせない | はにきぬきせない | outspoken; forthright; frank; direct | |
| 歯に衣をきせぬ | はにきぬをきせぬ | outspoken; forthright; frank; direct | |
| 歯に衣を着せぬ | はにきぬをきせぬ | outspoken; forthright; frank; direct | |
| 歯に衣着せない | はにきぬきせない | outspoken; forthright; frank; direct | |
| 歯の浮くような | はのうくような | set one's teeth on edge | |
| 歯をくいしばる | はをくいしばる | to bear up in tragedy; to stand pain well; to hold one's temper; to put up (with something) | |
| 歯を食いしばる | はをくいしばる | to bear up in tragedy; to stand pain well; to hold one's temper; to put up (with something) | |
| 歯内療法専門医 | しないりょうほうせんもんい | endodontist; root-canal specialist | |
| 歯止めをかける | はどめをかける | to curb; to halt; to apply brakes; to put an end to | |
| 歯止めを掛ける | はどめをかける | to curb; to halt; to apply brakes; to put an end to | |
| 歯茎側面弾き音 | はぐきそくめんはじきおん | alveolar lateral flap | |
| 歯茎側面接近音 | しけいそくめんせっきんおん | alveolar lateral approximant; clear l | |
| 歯車がかみ合う | はぐるまがかみあう | to mesh (of gears); to be in sync (of people, organizations, etc.) | |
| 歯車が噛み合う | はぐるまがかみあう | to mesh (of gears); to be in sync (of people, organizations, etc.) | |
| インプラント義歯 | インプラントぎし | dental implant; implant denture | |
| サイクロイド歯車 | サイクロイドはぐるま | cycloidal gear teeth | |
| バハモンド扇歯鯨 | バハモンドおうぎはくじら | spade-toothed whale (Mesoplodon traversii); Bahamonde's beaked whale | |
| ヨーロッパ扇歯鯨 | ヨーロッパおうぎはくじら | Sowerby's beaked whale (Mesoplodon bidens); North Atlantic beaked whale; North Sea beaked whale | |
| 奥歯に物が挟まる | おくばにものがはさまる | to beat around the bush; to not speak frankly; to talk in a roundabout way | |
| 尼崎歯科専門学校 | あまがさきしかせんもんがっこう | Amagasaki Dental College; ADC | |
| 日本小児歯科学会 | にっぽんしょうにしかがっかい | Japanese Society of Pediatric Dentistry; JSPD | |
| 日本歯科保存学会 | にっぽんしかほぞんがっかい | Japanese Society of Conservative Dentistry | |
| 日本歯科医師連盟 | にっぽんしかいしれんめい | Japan Dentists Federation | |
| 日本歯科審美学会 | にっぽんしかしんびがっかい | Japan Academy of Esthetic Dentistry | |
| 日本歯科麻酔学会 | にっぽんしかますいがっかい | Japanese Dental Society of Anesthesiology | |
| 日本矯正歯科学会 | にっぽんきょうせいしかがっかい | Japanese Orthodontic Society; JOS | |
| 日本補綴歯科学会 | にっぽんほていしかがっかい | Japan Prosthodontic Society | |
| 東アメリカ扇歯鯨 | ひがしアメリカおうぎはくじら | Gervais' beaked whale (Mesoplodon europaeus); Antillian beaked whale; Gulf Stream beaked whale; European beaked whale | |
| 歯に絹を着せない | はにきぬをきせない | outspoken; forthright; frank; direct | |
| 歯に衣をきせない | はにきぬをきせない | outspoken; forthright; frank; direct | |
| 歯に衣を着せない | はにきぬをきせない | outspoken; forthright; frank; direct | |
| 歯の根が合わない | はのねがあわない | shivering with cold or fear | |
| 歯牙にもかけない | しがにもかけない | taking no notice of; paying no attention to | |
| 歯牙にも掛けない | しがにもかけない | taking no notice of; paying no attention to | |
| 歯科インプラント | しかインプラント | dental implant | |
| 歯茎側面はじき音 | はぐきそくめんはじきおん | alveolar lateral flap | |
| インボリュート歯車 | インボリュートはぐるま | involute gear | |
| 奥歯にものが挟まる | おくばにものがはさまる | to beat around the bush; to not speak frankly; to talk in a roundabout way | |
| 日本歯科専門医機構 | にほんしかせんもんいきこう | Japanese Dental Specialty Board | |
| 櫛の歯が抜けたよう | くしのはがぬけたよう | missing important things here and there; full of gaps | |
| 櫛の歯が欠けたよう | くしのはがかけたよう | missing important things here and there; full of gaps; as if the teeth of a comb were missing | |
| 歯止めがかからない | はどめがかからない | unstoppable (of something bad) | |
| 歯車がかみ合わない | はぐるまがかみあわない | not meshing (of people, organizations, etc.); not seeing eye to eye | |
| 歯車が噛み合わない | はぐるまがかみあわない | not meshing (of people, organizations, etc.); not seeing eye to eye | |
| 総合歯科医療研究所 | そうごうしかいりょうけんきゅうじょ | Japan Institute of Advanced Dentistry; JIAD | |
| 日本私立歯科大学協会 | にっぽんしりつしかだいがくきょうかい | Japanese Association of Private Dental Schools | |
| 東京歯科大学短期大学 | とうきょうしかだいがくたんきだいがく | Tokyo Dental College Junior College | |
| 東京歯科衛生専門学校 | とうきょうしかえいせいせんもんがっこう | Tokyo Dental Hygiene | |
| 東邦歯科医療専門学校 | とうほうしかいりょうせんもんがっこう | Toho Dental College | |
| 歯科医師国家資格試験 | しかいしこっかしかくしけん | National Dentistry Examination | |
| 目には目を歯には歯を | めにはめをはにははを | an eye for an eye and a tooth for a tooth | |
| 日本歯科人間ドック学会 | にっぽんしかにんげんドックがっかい | Japan Academy of Dental Human Dock | |
| 日本歯科大学東京短期大学 | にほんしかだいがくとうきょうたんきだいがく | The Nippon Dental University College at Tokyo | |