Knowledge (XXG)

Concrescence

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If the cemental union between affected teeth is slight, the teeth may separate during extraction of one of the teeth and may never be noticed. If the union is large or firm, the planned extraction of one of the teeth may inadvertently result in the removal of its mate. A clinician’s awareness of the
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The postinflammatory pattern frequently involves carious molars in which the root ends (apices) overlie the roots of impacted third molars, most common with the distally angulated third molars. The resultant large pulpal exposure often permits pulpal drainage, leading to a resolution of a portion of
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The exact cause of concrescence is unknown. However, it may develop during root formation (true/primary concrescence) or after root formation (acquired/secondary concrescence). Factors that may cause concrescence include injuries (trauma), crowding of teeth, inflammation, or infection. Concrescence
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Post-inflammatory concrescence must be kept in mind whenever extraction is planned for non-vital teeth with apices that overlie the roots of an adjacent tooth. Significant difficulties with extraction can be experienced during removal of a tooth that is unexpectedly joined to its neighbor.
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taken at different angles can aid in the detection of concrescence, since the condition may be misdiagnosed as radiographic overlap of superimposed teeth. Radiographically, teeth appear joined together with the absence of periodontal ligament or interdental bone between them. Cone beam computed
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examination of extracted teeth is necessary to confirm the diagnosis and distinguishing concrescence from differential diagnoses of gemination or fusion by observing lack of dentinal confluence between fused teeth.
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should be considered to prevent further periodontal destruction leading to tooth loss. However, a consequence of extraction is that the conjoined tooth also must often be removed.
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overlying the roots of at least two teeth fuse together without the involvement of dentin. Usually, two teeth are involved with the upper second and third
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Gunduz, K; Sumer, M; Sumer, A P; Gunhan, O (2006). "Concrescence of a mandibular third molar and a supernumerary fourth molar: Report of a rare case".
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being most commonly fused together. The prevalence ranges 0.04–0.8% in permanent teeth, with the incidence being highest in the posterior maxilla.
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Delanora, Leonardo Alan; Simon, Maria Eloise de Sá; Rodriguez, Eder Alberto Sigua; Faverani, Leonardo Perez; Pavan, Angelo Jose (10 August 2020).
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Clinically, concrescence is difficult to diagnose due to lack of involvement of tooth enamel resulting in a tooth crown that appears normal.
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Possible gum disease (localized periodontal destruction due to aetiological factors, e.g. funnel development leading to plaque accumulation)
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If the condition is not affecting the patient, no treatment is needed. Concrescence teeth could be reshaped and replaced with full
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Surgical separation often is required to complete the procedure without loss of a significant portion of the surrounding bone.
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characteristics of this odontogenic anomaly may help avert adverse outcomes in the treatment of concrescent teeth.
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tomography (CBCT) may assist in diagnosis and treatment planning, but cannot provide a definitive diagnosis.
687: 656: 430:. Chichester, West Sussex Oxford Ames, Iowa: Wiley-Blackwell, A John Wiley & Sons, Ltd., Publication. 615: 489: 630: 275: 506: 661: 542: 431: 380: 267: 137: 133: 27: 718: 697: 605: 591: 370: 360: 318: 259: 227: 179: 723: 596: 89: 402: 136:. If the teeth are having recurrent problems, are non-restorable, or are painful, tooth 666: 375: 348: 76: 40: 494: 738: 671: 538: 60: 279: 646: 625: 610: 586: 120: 303: 183: 620: 565: 115: 600: 560: 479: 172:
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology
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appears to have no particular predisposition for age, gender, or ethnicity.
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Cavities (caries) due to predisposition from crowded teeth and misalignment.
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Neville, Brad W.; Damm, Douglas D.; Allen, Carl M.; Chi, Angela C. (2019),
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Problems with tooth positioning causing cheek biting and traumatic ulcers.
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Romito, Laura M. (March 2004). "Concrescence: report of a rare case".
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Dental concrescence between a 2M (erupted) and a higher 3M (retained)
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Venugopal, Sanjay; Smitha, BV; Saurabh, Sprithyani (2013).
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the intrabony pathosis. Cemental repair then occurs.
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May cause fracture of the tuberosity or floor of the
452: 711: 680: 639: 574: 549: 456: 245: 243: 26: 21: 407:Color Atlas of Oral and Maxillofacial Diseases 522: 8: 353:Journal of Indian Society of Periodontology 529: 515: 507: 453: 349:"Paramolar concrescence and periodontitis" 51:is an uncommon developmental condition of 18: 374: 364: 322: 231: 165: 163: 161: 157: 209: 207: 205: 203: 201: 199: 197: 195: 193: 7: 428:Pathology of the hard dental tissues 396: 394: 302:Fernandes, A; Sar Dessai, G (1999). 75:Involved teeth may have difficulty 14: 220:Research, Society and Development 1: 745:Developmental tooth pathology 184:10.1016/j.tripleo.2003.10.015 409:, Elsevier, pp. 367–410 79:or may not erupt completely. 761: 226:(9): e41996893–e41996893. 693:Dentinogenesis imperfecta 703:Regional odontodysplasia 652:Regional odontodysplasia 426:Schuurs, Albert (2013). 366:10.4103/0972-124X.115647 324:10.4103/0970-7212.347464 688:Amelogenesis imperfecta 264:10.1038/sj.bdj.4813191 252:British Dental Journal 233:10.33448/rsd-v9i9.6893 45: 43: 657:Turner's hypoplasia 631:Supernumerary roots 67:Signs and symptoms 46: 732: 731: 662:Enamel hypoplasia 543:tooth abnormality 504: 503: 38: 37: 16:Medical condition 752: 719:Dental fluorosis 698:Dentin dysplasia 681:Other hereditary 606:Dens invaginatus 531: 524: 517: 508: 454: 442: 441: 423: 417: 416: 415: 414: 403:"Bone Pathology" 398: 389: 388: 378: 368: 344: 329: 328: 326: 308: 299: 284: 283: 247: 238: 237: 235: 211: 188: 187: 167: 19: 760: 759: 755: 754: 753: 751: 750: 749: 735: 734: 733: 728: 724:Tooth impaction 707: 676: 635: 597:Dens evaginatus 570: 545: 535: 505: 500: 499: 465: 451: 446: 445: 438: 425: 424: 420: 412: 410: 400: 399: 392: 346: 345: 332: 306: 301: 300: 287: 249: 248: 241: 213: 212: 191: 169: 168: 159: 154: 130: 112: 99: 90:maxillary sinus 69: 17: 12: 11: 5: 758: 756: 748: 747: 737: 736: 730: 729: 727: 726: 721: 715: 713: 709: 708: 706: 705: 700: 695: 690: 684: 682: 678: 677: 675: 674: 669: 667:Ectopic enamel 664: 659: 654: 649: 643: 641: 637: 636: 634: 633: 628: 623: 618: 613: 608: 603: 594: 589: 584: 578: 576: 575:Shape and size 572: 571: 569: 568: 563: 553: 551: 547: 546: 537:Developmental 536: 534: 533: 526: 519: 511: 502: 501: 498: 497: 482: 466: 461: 460: 458: 457:Classification 450: 449:External links 447: 444: 443: 436: 418: 390: 330: 285: 239: 189: 178:(3): 325–327. 156: 155: 153: 150: 129: 126: 111: 108: 98: 95: 94: 93: 86: 83: 80: 73: 68: 65: 36: 35: 30: 24: 23: 15: 13: 10: 9: 6: 4: 3: 2: 757: 746: 743: 742: 740: 725: 722: 720: 717: 716: 714: 710: 704: 701: 699: 696: 694: 691: 689: 686: 685: 683: 679: 673: 672:Ectopic tooth 670: 668: 665: 663: 660: 658: 655: 653: 650: 648: 645: 644: 642: 638: 632: 629: 627: 624: 622: 619: 617: 614: 612: 609: 607: 604: 602: 598: 595: 593: 590: 588: 585: 583: 580: 579: 577: 573: 567: 564: 562: 558: 555: 554: 552: 548: 544: 540: 539:tooth disease 532: 527: 525: 520: 518: 513: 512: 509: 496: 492: 491: 487: 483: 481: 477: 476: 472: 468: 467: 464: 459: 455: 448: 439: 437:9781405153652 433: 429: 422: 419: 408: 404: 397: 395: 391: 386: 382: 377: 372: 367: 362: 358: 354: 350: 343: 341: 339: 337: 335: 331: 325: 320: 316: 312: 311:Endodontology 305: 298: 296: 294: 292: 290: 286: 281: 277: 273: 269: 265: 261: 257: 253: 246: 244: 240: 234: 229: 225: 221: 217: 210: 208: 206: 204: 202: 200: 198: 196: 194: 190: 185: 181: 177: 173: 166: 164: 162: 158: 151: 149: 145: 141: 139: 135: 127: 125: 122: 117: 109: 107: 103: 96: 91: 87: 84: 81: 78: 74: 71: 70: 66: 64: 62: 58: 54: 50: 42: 34: 31: 29: 25: 20: 647:Dilaceration 626:Taurodontism 611:Enamel pearl 582:Concrescence 581: 484: 469: 427: 421: 411:, retrieved 406: 359:(3): 383–6. 356: 352: 314: 310: 258:(3): 141–2. 255: 251: 223: 219: 175: 171: 146: 142: 131: 121:Histological 113: 104: 100: 49:Concrescence 48: 47: 22:Concrescence 621:Microdontia 616:Macrodontia 566:Hyperdontia 317:(2): 65–6. 116:Radiographs 601:Talon cusp 592:Gemination 561:Hypodontia 413:2023-12-20 152:References 138:extraction 55:where the 640:Formation 557:Anodontia 128:Treatment 110:Diagnosis 33:Dentistry 28:Specialty 739:Category 550:Quantity 385:24049342 280:20376985 272:16474352 77:erupting 57:cementum 376:3768192 587:Fusion 434:  383:  373:  278:  270:  134:crowns 61:molars 712:Other 495:520.2 480:K00.2 307:(PDF) 276:S2CID 97:Cause 53:teeth 490:9-CM 432:ISBN 381:PMID 268:PMID 486:ICD 471:ICD 371:PMC 361:doi 319:doi 260:doi 256:200 228:doi 180:doi 741:: 493:: 478:: 475:10 405:, 393:^ 379:. 369:. 357:17 355:. 351:. 333:^ 315:11 313:. 309:. 288:^ 274:. 266:. 254:. 242:^ 222:. 218:. 192:^ 176:97 174:. 160:^ 599:/ 559:/ 541:/ 530:e 523:t 516:v 488:- 473:- 463:D 440:. 387:. 363:: 327:. 321:: 282:. 262:: 236:. 230:: 224:9 186:. 182:: 92:.

Index

Specialty
Dentistry

teeth
cementum
molars
erupting
maxillary sinus
Radiographs
Histological
crowns
extraction



doi
10.1016/j.tripleo.2003.10.015









"Can concrescence diagnosis be obtained merely by clinical and imaging examination? from clinical case to histology"
doi
10.33448/rsd-v9i9.6893

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