This condition is commonly bilateral and termed root convergence or dilaceration and is described by the presence and degree of the radiographic findings. It results from a malformation resulting in absence of a proper anatomical contact between the furcation of the tooth and the marginal bone and gingiva.

Dilacerated roots are roots that bend at sharp angles, which can make extracting them in their entirety difficult (Figures 7 and 8). Dilacerated roots can curve toward the caudal or rostral aspect of the mouth.

Figure 7. Fused and dilacerated roots. Figure 7A shows fused roots at the left mandibular second molar tooth in a 5-year-old dog. Figure 7B shows dilacerated roots at the left mandibular first molar tooth in another 5-year-old dog.

Prevalence of dilaceration (subclassified to root curvature and apical hook based on severity) in canines and adjacent teeth was determined in CBCT records. The root length of maxillary impacted canines was measured for further morphologic evaluations. Results: Impacted canines had a signicantly higher prevalence fi

This research aimed to analyze the prevalence of root dilaceration in buccally impacted canines (BICs) and palatally impacted canines (PICs) with their adjacent teeth based on a retrospective cone-beam computed tomography (CBCT) investigation.