Knowledge

Incisor

Source 📝

313: 325: 349: 337: 486: 43: 31: 445:
Nweeia, Martin; Eichmiller, Frederick C.; Hauschka, Peter V.; Tyler, Ethan; Mead, James G.; Potter, Charles W.; Angnatsiak, David P.; Richard, Pierre R.; et al. (30 March 2012). "Vestigial Tooth Anatomy and Tusk Nomenclature for Monodon Monoceros".
228:. Typically, the mandibular central incisors erupt first, followed by the maxillary central incisors, the mandibular lateral incisors and finally the maxillary laterals. The rest of the primary dentition erupts after the incisors. 259:) were once considered rodents, but are distinguished by having six—one small pair, called "peg teeth", is located directly behind the most anterior pair. Incisors are used to bite off tough foods, such as red meat. 116: 312: 301:
grow throughout life and are worn by gnawing. In humans, the incisors serve to cut off pieces of food, as well as in the grip of other food items.
92: 518: 235:, the incisors are also the first permanent teeth to erupt, following the same order as the primary teeth, among themselves. 408: 804: 111: 511: 735: 709: 704: 546: 205: 199: 730: 648: 622: 617: 490: 193: 187: 643: 348: 75: 913: 756: 225: 852: 842: 751: 669: 504: 380: 336: 123: 99: 87: 664: 541: 8: 875: 324: 297:, where it is a canine that develops into a straight and twisted tusk). The incisors of 220:. Young children may have from zero to eight incisors depending on the stage of their 797: 714: 463: 434:(8 ed.). Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. 627: 455: 888: 591: 564: 217: 213: 80: 862: 827: 792: 775: 527: 221: 907: 784: 584: 370: 400: 183:
normally have eight incisors, two of each type. The types of incisors are:
104: 35:
Permanent teeth of the right half of the lower dental arch, seen from above.
847: 817: 761: 674: 574: 467: 365: 278: 556: 232: 163:
below. Humans have a total of eight (two on each side, top and bottom).
822: 282: 265:(cows, bulls, etc.) have none on top but a total of six on the bottom. 156: 129: 459: 256: 248: 168: 688: 579: 375: 286: 216:(primary teeth) also have eight incisors, named the same way as in 160: 601: 496: 294: 244: 164: 243:
Among other animals, the number varies from species to species.
857: 485: 298: 262: 252: 152: 444: 180: 148: 63: 251:
have none. Cats, dogs, foxes, pigs, and horses have twelve.
290: 277:, the incisors are small; biting off meat is done with the 42: 30: 274: 47:
The permanent teeth of a human, viewed from the right.
208:(lower jaw, beside the mandibular central incisor) 196:(upper jaw, beside the maxillary central incisor) 905: 289:, the upper incisors are modified into curved 202:(lower jaw, closest to the center of the lips) 190:(upper jaw, closest to the center of the lips) 512: 519: 505: 318:Arrangement of incisors in an adult human. 41: 29: 906: 429: 500: 783: 304: 13: 526: 411:from the original on 29 April 2018 14: 925: 478: 484: 354:Base of skull. Inferior surface. 347: 335: 323: 311: 238: 438: 423: 393: 255:have four. Rabbits and hares ( 1: 386: 342:Left maxilla. Outer surface. 212:Children with a full set of 174: 7: 359: 268: 16:Front teeth of most mammals 10: 930: 547:Universal Numbering System 206:mandibular lateral incisor 200:mandibular central incisor 155:. They are located in the 147:, "to cut") are the front 884: 871: 838: 813: 774: 744: 723: 697: 687: 657: 636: 610: 600: 555: 534: 194:maxillary lateral incisor 188:maxillary central incisor 122: 110: 98: 86: 74: 62: 57: 52: 40: 28: 23: 432:Woelfel's dental anatomy 853:Dental-enamel junction 843:Cementoenamel junction 805:Zuckerkandl's tubercle 381:Shovel-shaped incisors 124:Anatomical terminology 542:Glossary of dentistry 448:The Anatomical Record 493:at Wikimedia Commons 430:Scheid, RC. (2012). 330:Mouth (oral cavity) 901: 900: 897: 896: 798:Cusp of Carabelli 770: 769: 683: 682: 489:Media related to 305:Additional images 247:have 18, whereas 226:tooth development 167:have 18, whereas 159:above and on the 138: 137: 133: 921: 781: 780: 695: 694: 608: 607: 521: 514: 507: 498: 497: 488: 472: 471: 460:10.1002/ar.22449 454:(6): 1006–1016. 442: 436: 435: 427: 421: 420: 418: 416: 397: 351: 339: 327: 315: 151:present in most 130:edit on Wikidata 127: 45: 33: 21: 20: 929: 928: 924: 923: 922: 920: 919: 918: 904: 903: 902: 893: 889:Dental alveolus 880: 867: 834: 809: 766: 740: 736:Second premolar 719: 710:Lateral incisor 705:Central incisor 679: 653: 649:Second premolar 632: 623:Lateral incisor 618:Central incisor 596: 551: 530: 525: 481: 476: 475: 443: 439: 428: 424: 414: 412: 399: 398: 394: 389: 362: 355: 352: 343: 340: 331: 328: 319: 316: 307: 271: 241: 231:Apart from the 218:permanent teeth 214:deciduous teeth 177: 134: 48: 36: 17: 12: 11: 5: 927: 917: 916: 914:Types of teeth 899: 898: 895: 894: 892: 891: 885: 882: 881: 879: 878: 872: 869: 868: 866: 865: 863:Dental papilla 860: 855: 850: 845: 839: 836: 835: 833: 832: 831: 830: 828:Apical foramen 820: 814: 811: 810: 808: 807: 802: 801: 800: 789: 787: 778: 772: 771: 768: 767: 765: 764: 759: 754: 748: 746: 742: 741: 739: 738: 733: 731:First premolar 727: 725: 721: 720: 718: 717: 712: 707: 701: 699: 692: 685: 684: 681: 680: 678: 677: 672: 667: 661: 659: 655: 654: 652: 651: 646: 644:First premolar 640: 638: 634: 633: 631: 630: 625: 620: 614: 612: 605: 598: 597: 595: 594: 589: 588: 587: 582: 577: 572: 561: 559: 553: 552: 550: 549: 544: 538: 536: 532: 531: 528:Dental anatomy 524: 523: 516: 509: 501: 495: 494: 480: 479:External links 477: 474: 473: 437: 422: 405:dentalcare.com 391: 390: 388: 385: 384: 383: 378: 373: 368: 361: 358: 357: 356: 353: 346: 344: 341: 334: 332: 329: 322: 320: 317: 310: 306: 303: 270: 267: 240: 237: 222:tooth eruption 210: 209: 203: 197: 191: 176: 173: 136: 135: 126: 120: 119: 114: 108: 107: 102: 96: 95: 90: 84: 83: 78: 72: 71: 69:dens incisivus 66: 60: 59: 55: 54: 50: 49: 46: 38: 37: 34: 26: 25: 15: 9: 6: 4: 3: 2: 926: 915: 912: 911: 909: 890: 887: 886: 883: 877: 874: 873: 870: 864: 861: 859: 856: 854: 851: 849: 846: 844: 841: 840: 837: 829: 826: 825: 824: 821: 819: 816: 815: 812: 806: 803: 799: 796: 795: 794: 791: 790: 788: 786: 782: 779: 777: 773: 763: 760: 758: 755: 753: 750: 749: 747: 743: 737: 734: 732: 729: 728: 726: 722: 716: 713: 711: 708: 706: 703: 702: 700: 696: 693: 690: 686: 676: 673: 671: 668: 666: 663: 662: 660: 656: 650: 647: 645: 642: 641: 639: 635: 629: 626: 624: 621: 619: 616: 615: 613: 609: 606: 603: 599: 593: 590: 586: 583: 581: 578: 576: 573: 571: 568: 567: 566: 563: 562: 560: 558: 554: 548: 545: 543: 540: 539: 537: 533: 529: 522: 517: 515: 510: 508: 503: 502: 499: 492: 487: 483: 482: 469: 465: 461: 457: 453: 449: 441: 433: 426: 410: 406: 402: 396: 392: 382: 379: 377: 374: 372: 369: 367: 364: 363: 350: 345: 338: 333: 326: 321: 314: 309: 308: 302: 300: 296: 293:(unlike with 292: 288: 284: 280: 276: 266: 264: 260: 258: 254: 250: 246: 239:Other animals 236: 234: 229: 227: 223: 219: 215: 207: 204: 201: 198: 195: 192: 189: 186: 185: 184: 182: 172: 170: 166: 162: 158: 154: 150: 146: 142: 131: 125: 121: 118: 115: 113: 109: 106: 103: 101: 97: 94: 91: 89: 85: 82: 79: 77: 73: 70: 67: 65: 61: 56: 51: 44: 39: 32: 27: 22: 19: 757:Second molar 670:Second molar 569: 535:Nomenclature 451: 447: 440: 431: 425: 413:. Retrieved 404: 395: 366:Canine tooth 272: 261: 242: 233:first molars 230: 211: 178: 144: 143:(from Latin 140: 139: 93:A05.1.03.004 68: 18: 762:Third molar 752:First molar 675:Third molar 665:First molar 283:carnassials 171:have none. 58:Identifiers 823:Root canal 689:Mandibular 401:"Archives" 387:References 257:lagomorphs 249:armadillos 169:armadillos 157:premaxilla 602:Maxillary 592:Deciduous 565:Permanent 287:elephants 175:Structure 908:Category 724:Premolar 637:Premolar 580:premolar 491:Incisors 468:22467529 415:29 April 409:Archived 376:Premolar 360:See also 295:narwhals 281:and the 269:Function 245:Opossums 165:Opossums 161:mandible 145:incidere 141:Incisors 876:Mamelon 698:Incisor 611:Incisor 570:incisor 299:rodents 279:canines 253:Rodents 153:mammals 81:D007180 53:Details 24:Incisor 858:Dentin 848:Enamel 715:Canine 628:Canine 575:canine 466:  263:Cattle 181:humans 179:Adult 785:Crown 776:Parts 745:Molar 691:teeth 658:Molar 604:teeth 585:molar 557:Teeth 371:Molar 291:tusks 285:. In 149:teeth 128:[ 117:12823 64:Latin 818:Pulp 793:Cusp 464:PMID 417:2018 275:cats 224:and 88:TA98 76:MeSH 456:doi 452:295 273:In 112:FMA 105:906 100:TA2 910:: 462:. 450:. 407:. 403:. 520:e 513:t 506:v 470:. 458:: 419:. 132:]

Index



Latin
MeSH
D007180
TA98
A05.1.03.004
TA2
906
FMA
12823
Anatomical terminology
edit on Wikidata
teeth
mammals
premaxilla
mandible
Opossums
armadillos
humans
maxillary central incisor
maxillary lateral incisor
mandibular central incisor
mandibular lateral incisor
deciduous teeth
permanent teeth
tooth eruption
tooth development
first molars
Opossums

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.