Case report of an internal granuloma investigated by light and scanning electron microscopy

Abstract

There is no doubt that the main reason for an internal grauloma is a traumatic event. The trauma may be physical or chemical as in the case of caries or coronal pulpectomy. In most of the cases it is diagnosed by hazard or, when in case of fracture or mobility, extraction is the only therapy to be performed. If diagnosed in time root canal treatment may be adequate.In the presented case no single specific event could be determined being the cause of this large internal granuloma extending from the coronal third of the root canal to the whole crown just leaving an eggshell of enamel that fractured and mimicked mobility of the whole tooth to the patient finally causing him to attend the clinic. As the patient presented severe aggressive periodontitis and mobility of all teeth it first was assumed that periodontitis was the ethiological reason in this case. Due to secondary trauma the front teeth were labially positioned thus probably being exposed to traumatic insults more frequently. Clinically the upper right medial incisor appeared discoloured darkly not showing the typical pink spot. Without any force the coronal part of the right medial incisor could be removed manually and the root was extracted using a periostal extractor. As it was not suitable to leave the patient with a missing tooth in the front the wound was sutured and as a temporary solution the tooth was reconstructed with composite intraorally and fixed to the neighbour teeth adhesively. The histopathology of the internal granuloma and the crown was investigated.

Radiological and Histopathological Features of Internal Tooth Resorption

“…However, the apical half of the pulp exhibited relatively normal organized soft tissue. These observations are in line with previous studies and demonstrate that the histological appearance of the pulp with IR is similar to that of irreversible pulp inflammation (3,5).…”

Contrast enhancement of biological nanoporous materials with zinc oxide infiltration for electron and X-ray nanoscale microscopy

“…any further sub-surface analysis of the sample is no longer possible. In spite of this limitation papers concerned with imaging with electron microscopy still use metal coating to cover the surface of interest 2 , 3 .…”

Reparative regeneration of periodontal tissues – results of experimental studies

“…аучно-технический прогресс способствует расширению возможностей для малоинвазивных стоматологических вмешательств, включая работу с дентальным микроскопом, одноэтапную дентальную имплантацию и устранение рецессии десны [5,6,9,10]. исследование ответной реакции комплекса тканей пародонта на механическое повреждение представляет несомненный интерес как для патофизиологов, так и для практикующих стоматологов [1,2].…”