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.

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]

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.

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.
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).
An evaluation of the incidence and amount of apical root resorption and dilaceration occurring in orthodontically treated teeth, having incompletely formed roots at the beginning of Begg treatment.
* 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.
Contract notice: Aroports de paris - charles de gaulle - maintenance and small work stations refueling, Dilaceration, Deicing and potassium formate .