Bilateral Fusion of Mandibular Second Molars with Supernumerary Teeth: Case Report
Braz Dent J (2002) 13(2): 137-141
Bilateral fusion
ISSN 0103-6440
137
Bilateral Fusion of Mandibular Second Molars with
Supernumerary Teeth: Case Report
Eduardo NUNES 1
Ivaldo Gomes de MORAES 2
Paulo Márcio de Oliveira NOVAES 3
Simone Maria Galvão de SOUSA4
1 Department
of Endodontics, Pontificial Catholic University, Belo Horizonte, MG, Brazil
2 Department of Endodontics, Bauru Dental School, Bauru, SP, Brazil
4 Department
3 Private Endodontic Practice, Belo Horizonte, MG, Brazil of Oral Pathology, Faculty of Dentistry, University of Sacred Heart, Bauru, SP, Brazil
Fusion is a developmental anomaly characterized by the union of two adjacent teeth. In this article we report a rare case of bilateral fusion of permanent mandibular second molars with supernumerary teeth. The rarity with which this entity appears, along with its complex characteristics, often make it difficult to treat. The endodontic management of one tooth is described, as well as the successful treatment of a periradicular lesion.
Key Words: dental anomaly, fusion, supernumerary tooth, endodontic treatment.
INTRODUCTION
Fusion is commonly identified as the union of two distinct dental sprouts which occurs in any stage of the dental organ. They are joined by the dentine; pulp chambers and canals may be linked or separated depending on the developmental stage when the union occurs. This process involves epithelial and mesenchymal germ layers resulting in irregular tooth morphology
(1). Moreover, the number of teeth in the dental arch is less than normal. A review of the literature reveals great difficulty in correctly differentiating fusion and gemination. For a differential diagnosis between these anomalies, the dentist must carry out a highly judicious radiographic and clinical examination.
The aetiology of fusion is still unknown, but the influence of pressure or physical forces producing close contact between two developing teeth has been reported
Bilateral fusion
ISSN 0103-6440
137
Bilateral Fusion of Mandibular Second Molars with
Supernumerary Teeth: Case Report
Eduardo NUNES 1
Ivaldo Gomes de MORAES 2
Paulo Márcio de Oliveira NOVAES 3
Simone Maria Galvão de SOUSA4
1 Department
of Endodontics, Pontificial Catholic University, Belo Horizonte, MG, Brazil
2 Department of Endodontics, Bauru Dental School, Bauru, SP, Brazil
4 Department
3 Private Endodontic Practice, Belo Horizonte, MG, Brazil of Oral Pathology, Faculty of Dentistry, University of Sacred Heart, Bauru, SP, Brazil
Fusion is a developmental anomaly characterized by the union of two adjacent teeth. In this article we report a rare case of bilateral fusion of permanent mandibular second molars with supernumerary teeth. The rarity with which this entity appears, along with its complex characteristics, often make it difficult to treat. The endodontic management of one tooth is described, as well as the successful treatment of a periradicular lesion.
Key Words: dental anomaly, fusion, supernumerary tooth, endodontic treatment.
INTRODUCTION
Fusion is commonly identified as the union of two distinct dental sprouts which occurs in any stage of the dental organ. They are joined by the dentine; pulp chambers and canals may be linked or separated depending on the developmental stage when the union occurs. This process involves epithelial and mesenchymal germ layers resulting in irregular tooth morphology
(1). Moreover, the number of teeth in the dental arch is less than normal. A review of the literature reveals great difficulty in correctly differentiating fusion and gemination. For a differential diagnosis between these anomalies, the dentist must carry out a highly judicious radiographic and clinical examination.
The aetiology of fusion is still unknown, but the influence of pressure or physical forces producing close contact between two developing teeth has been reported
References: Philadelphia: WB Saunders Company, 1983. Accepted March 25, 2002 Braz Dent J 13(2) 2002