dilaceration


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dilaceration

 [di-las″er-a´shun]
a tearing apart, as of a cataract. In dentistry, an abnormal angulation or curve in the root or crown of a formed tooth.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

di·lac·er·a·tion

(dī-las'er-ā'shŭn),
Displacement of some portion of a developing tooth, which is then further developed in its new relation, resulting in a tooth with sharply angulated root(s).
[L. di-lacero, pp. laceratus, to tear in pieces, fr. lacer, mangled]
Farlex Partner Medical Dictionary © Farlex 2012

di·lac·er·a·tion

(dī-las'ĕr-ā'shŭn)
Displacement of some portion of a developing tooth, which is then further developed in its new relation, so that its root or crown is sharply angulated.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

di·lac·er·a·tion

(dī-las'ĕr-ā'shŭn)
Displacement of some portion of a developing tooth, which is then further developed in its new relation.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
For the analysis of clinical and radiographic sequelae in permanent teeth, the following clinical signs were considered: discoloration of the crown, hypoplastic enamel, crown dilaceration; Radiographic signs: root dilaceration, odontoma, root duplication, incomplete root development, permanent tooth malposition, eruption disturbances.
The frequency of other anomalies was as follows: molar-incisor hypomineralization 0.25%, turner hypoplasia 0.1%, fluorosis 0.1%, odontoma 0.1%, fusion 0.09%, gemination 0.06%, amelogenesis imperfecta 0.05%, dens invaginatus 0.03%, talon cusp 0.02%, taurodontism 0.02%, macrodontia 0.02%, dentinogenesis imperfecta 0.02%, dilaceration 0.02%, ectopic eruption 0.01% and microdontia 0.01%.
The criteria for recognizing root dilaceration vary in the literature.
Cone beam computed tomography, labial access cavity preparation, maxillary lateral incisor, root canal treatment, root dilaceration.
Dilaceration of a central incisor Patient 4 a 12 year old girl was referred after extraction of a midline supernumerary tooth followed by exposure and traction of the central incisor which failed to induce eruption (Figure 4a).
* Dilaceration describes a tooth whose root and crown display a bend or angulation.
Trauma Trauma during tooth development may cause severe enamel hypoplasia or dilaceration of the teeth.
Crown dilaceration in permanent teeth is a rare malformation representing 3% of the total dento-alveolar injuries.