Histopathology of radiolucent furcation lesions associated with pulpotomy-treated primary molars

Pediatric dentistry (Impact Factor: 0.56). 01/1989; 10(4):291-4.
Source: PubMed


The purpose of this project was to characterize the histopa- thology of radiolucent furcation lesions associated with pri- mary molars which had received pulpotomy treatment. Twenty-four pulpotomy-treated primary molars which displayed radiolucent lesions in the root furcation suggesting unsuccessful outcome were extracted. Pretreatment radio- graphs were available for 6 teeth and none had evidence of a furcation radiolucency. These 6 teeth were treated with a standard formocresol pulpotomy and restored. The pretreat- men t condition and the pulpotomy procedure employed for the remaining 18 teeth is unknown. If a lesion remained attached to the root, it was transferred to 10% neutral buffered for- malin. The sockets were gently curetted and the tissue trans- ferred to fixative. Specimens were processed and stained for microscopic examination. Histological examination of the lesions revealed granulo- matous, chronic proliferative, and acute inflammation and epithelium. Three specimens were diagnosed as furcation granulomas. Stratified squamous epithelium was observed in 21 specimens which were diagnosed as either a furcation granuloma with epithelium or a furcation cyst if an epithelial- lined lumen was present. Pulpotomy-treated primary molars should receive peri- odic postoperative radiographic examination and be extracted if a furcation lesion develops.

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