Zilberman U, Milevski I, Yegorov D, Smith P. A 3000 year old case of an unusual dental lesion: pre-eruptive intracoronal resorption. Arch Oral Biol. 2019; 97:97-101 https://doi.org/10.1016/j.archoralbio.2018.10.015
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Pre-eruptive intracoronal resorption (PEIR) is a rare condition usually detected incidentally on radiographs. The radiographic appearance resembles dental caries; however, the aetiology is not fully understood. The prognosis of affected teeth is highly variable, and management may involve input from multiple specialties.
CPD/Clinical Relevance: The present report describes the clinical management of PEIR-affected molars in two family members and discusses the alternatives for treatment.
Article
Pre-eruptive intracoronal resorption (PEIR) of the teeth is often detected incidentally on radiographs, and primarily affects the mandibular first premolar and second and third molars.1 It is usually detected during the mixed dentition phase when crown formation is complete. However, PEIR has also been reported to occur in the primary dentition.2,3
Radiographically, PEIR appears very similar to dental caries as a well-defined radiolucent area within coronal dentine adjacent to the enamel-dentine junction.4 In earlier studies, this condition was referred to using the now discounted terms of ‘pre-eruptive caries’ and ‘intra-follicular caries’.5 Clinically, affected teeth often have an intact enamel structure,6 which may be misdiagnosed as occult caries when the teeth erupt. In advanced stages, the crown may have the characteristic ‘pink’ appearance of resorption.7 The majority of cases are usually asymptomatic; however, lesions can sometimes involve the pulp and cause pain, swelling and cellulitis.3
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