A Supernumerary Tooth Fused to the Facial Surface of a Maxillary Permanent Central Incisor: Case Report

Kim, Euiseong; Jou, Yi-Tai

doi:10.1097/00004770-200001000-00012

Cited by 25 publications

(26 citation statements)

References 7 publications

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“…The incidence of fusion in permanent supernumerary teeth is 0.1% and it generally involves maxillary anterior teeth, just as the case presented here (8). Unilateral incidence is about 0.5% in primary dentition and 0.1% in permanent dentition (7,9).…”

Section: Discussionsupporting

confidence: 52%

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The challenges of treating a fused tooth

et al. 2012

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This paper describes and discusses the multidisciplinary treatment involving a permanent maxillary lateral incisor fused to a supernumerary tooth, both presenting pulp necrosis and periapical lesion. A 15-year-old male patient sought treatment complaining of pain, swelling and mobility on the maxillary right lateral incisor. After clinical and radiographic examination, root canal preparation was performed according to the crown-down technique and a calcium hydroxide dressing was placed for 15 days. The patient returned and the definitive endodontic filling was done with thermomechanical compaction of gutta-percha and sealer. After 18 months, clinical and radiographic examinations were carried out and no pain or swelling was reported. Two years after endodontic treatment, the patient returned for periodontal and cosmetic treatments. Nine months later, a cone-beam computed tomography (CBCT) revealed that the previously detected periodontal defect and periapical lesion were persistent. Apical endodontic surgery was indicated. The supernumerary tooth was removed, the communicating distal surface was filled and the surgical site received bioactive glass and demineralized bovine organic bone. The pathological tissue was submitted to histopathological examination and the diagnosis was periapical cyst. One year after the apical endodontic surgery, CBCT showed bone formation at maxillary lateral incisor apical area. Two years after the surgery, the restoration was replaced due to aesthetic reasons and periapical radiograph showed success after 5 years of treatment. A correct diagnosis and establishment of an adequate treatment plan resulted in a successful management of the case.

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Section: Discussionsupporting

confidence: 52%

“…Inappropriate root canal cleaning and shaping of a fused tooth plays an important role in endodontic treatment failure, due to presence of root canals with different morphologies (9,(15)(16)(17). Therefore, endodontic failure might occur, even with the use of calcium hydroxide dressing.…”

Section: Discussionmentioning

confidence: 99%

The challenges of treating a fused tooth

et al. 2012

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“…In this case, the number of teeth is normal and differentiation from gemination is difficult or impossible. Concerning treatment, an exact differentiation between fusion and gemination may not be critically important (11). In the present case, a tooth gemination of a maxillary lateral incisor has been described because of the midroot connection between the two root canals.…”

Section: Discussionmentioning

confidence: 71%

Nonsurgical Endodontic Retreatment of Geminated Teeth: A Case Report

Yücel

Güler

2006

Journal of Endodontics

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“…The communication between the pulp chambers and/or root canal systems of fused or geminated teeth is a known fact (7,8). Treatment planning for surgical exposure should be considered when performing sectioning of the malformed tooth.…”

Section: Discussionmentioning

confidence: 99%