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Quintessence Int 50 (2019), No. 6     24. May 2019
Quintessence Int 50 (2019), No. 6  (24.05.2019)

Page 494-502, doi:10.3290/j.qi.a42479, PubMed:31086855


Decision criteria influencing the therapeutic approach to invasive cervical resorption: a case series
Ehlinger, Claire / Ginies, Estelle / Bornert, Fabien / Bahi-Gross, Sophie / Schmittbuhl, Matthieu / Minoux, Maryline
Invasive cervical resorption (ICR) is a dental lesion starting in the cervical region and involving the loss of dental hard tissue as a result of odontoclastic action. Due to its localization and invasive pattern, this process represents a challenging clinical situation. When feasible, the major aim of an ICR treatment is to completely remove the pathologic tissue (specifically at the entry point of the lesion) and to seal the resulting defect, without compromising tooth rehabilitation. In this context, choosing how to access the resorptive lacuna is essential. Two main options have been described in the literature: an external approach, requiring the surgical exposure of the resorptive lacuna, and an internal approach, taking advantage of the endodontic access cavity. However, there are no guidelines that indicate which approach to choose for the treatment of an ICR. This article is based on four clinical cases. It aims to provide specific clinical and radiologic features that should be considered in order to take the most appropriate decision, when choosing between the internal and the external approaches. It is proposed to base the therapeutic strategy on the accessibility and the size of the portal of entry of the lesion. When the entry point is wide, its extension along the root must also be taken into account. Other important parameters are the circumferential and vertical extents of the lesion in the radicular dentin. Although it is not a determining factor, the pulpal involvement of the lesion can also be considered.

Keywords: case series, decision-making process, external approach, internal approach, invasive cervical resorption