11/38. Case report--Scanora imaging of an unusual unerupted tooth located entirely below the inferior dental canal.We present an unusual case of an unerupted tooth located beneath the inferior dental canal (IDC) seen as an incidental finding on a dental panoramic radiograph (DPR). An unerupted premolar was identified on the DPR lying horizontally and located entirely below the inferior dental canal in the first and second molar region. The crown was distally orientated and was somewhat demineralised. As this unerupted tooth appeared to have an intimate relationship with the inferior dental canal, which in turn had a close relationship with the distal roots of the lower left first molar, this relationship was investigated further. Spiral tomography using Soredex's Scanora unit was used to obtain three contiguous 2 mm thick cross-sectional images of the area, which showed the separation of the inferior dental canal from both the first molar tooth above and the unerupted premolar. This case highlights the role of Scanora cross-sectional imaging in establishing accurately the relationship between teeth and the inferior dental canal and to document the unusual position of this unerupted tooth.- - - - - - - - - - ranking = 1keywords = root (Clic here for more details about this article) |
12/38. Rough hypoplastic amelogenesis imperfecta with follicular hyperplasia.This report documents a unique case of rough hypoplastic amelogenesis imperfecta with apparent anterior oligodontia and multiple anomalies of the associated mesenchymally derived tissues. Multiple unerupted teeth showed hypercementosis, distorted roots with aberrant dentin formation, and marked follicular hyperplasia. The hyperplastic follicles had a complex histopathologic appearance that recapitulated some features of the WHO-type odontogenic fibroma. The features of these teeth, the nature of the associated follicular lesions, and their relationship to the unerupted teeth are discussed.- - - - - - - - - - ranking = 1keywords = root (Clic here for more details about this article) |
13/38. Radiographic examination of dentigerous cysts in the transitional dentition.OBJECTIVES: To examine radiographically the relationship between the deciduous tooth and dentigerous cyst of the permanent successor during the transitional dentition. methods: From a retrospective review of all patients who visited our institution from April 1988 to August 2001, 70 patients under 16 years of age who had histologically confirmed dentigerous cysts that had developed from the central incisor to the second premolar were identified. These 70 patients were investigated using panoramic and periapical radiographs. RESULTS: In most cases (54 cases; 77.1%) the cyst was in the premolar region. Of the 54 premolars with dentigerous cysts, the overlying deciduous tooth had already been lost in 7 cases. Of the 47 remaining premolars with associated deciduous tooth, 35 (74.5%) had bone resorption of the periapical or bifurcation region, or irregular resorption of the associated deciduous tooth. Of the remaining 12 deciduous teeth with no periapical lesions, 9 had been treated with root canal therapy. Thus, 44 of these 47 cases (93.6%) had the possibility of inflammation at the deciduous tooth associated with the dentigerous cyst. Evidence from one case in the present study suggesting the process by which cyst development occurs is also given. CONCLUSION: Inflammatory change at the apex of the deciduous tooth may bring on a dentigerous cyst of the permanent successor.- - - - - - - - - - ranking = 1keywords = root (Clic here for more details about this article) |
14/38. Pulp canal obliteration in an unerupted permanent incisor following trauma to its primary predecessor: a case report.Trauma to a primary tooth may result in damage to the underlying developing permanent tooth bud because of the close proximity between the root of the primary tooth and its permanent successor. We report an unusual case where injury to the primary dentition resulted in pulp canal obliteration (PCO) of a permanent maxillary central incisor prior to its eruption. The other permanent maxillary central incisor was diagnosed as malformed because of trauma to the primary dentition at an earlier age. The occurrences of PCO or crown malformation dose not routinely disrupt the eruption of those teeth. Periodic assessment is required to determine the need for endodontic intervention.- - - - - - - - - - ranking = 1keywords = root (Clic here for more details about this article) |
15/38. Aberrant root formation: review of root genesis and three case reports.The mechanism of root formation and tooth eruption is a complex process which is not fully understood. Prior to a tooth emerging into the oral cavity, root genesis is initiated by derivatives of the enamel organ. The dental follicle mediates an eruption pathway allowing for movement of the developing tooth in a coronal direction. As the tooth moves towards the oral cavity, root formation occurs passively in the resulting space. Failure of the enamel organ and dental follicle to properly coordinate may result in complications in the eruption process. This clinical report presents 3 cases of isolated, unerupted teeth with dysmorphology of the roots. The process of root development and tooth eruption is also briefly reviewed.- - - - - - - - - - ranking = 13keywords = root (Clic here for more details about this article) |
16/38. Treatment of severe pre-eruptive intracoronal resorption of a permanent second molar.Pre-eruptive intracoronal resorption is a lesion often located within the dentin, adjacent to the dentin-enamel junction, in the occlusal aspect of the crown. As the lesions resemble caries, they are often referred as "pre-eruptive caries." The purpose of this case report was to describe the diagnosis and treatment of a permanent molar with pre-eruptive intracoronal resorption and to elaborate on possible associated clinical problems. After surgical exposure of the unerupted tooth, the tooth structure in the resorbed area was removed and the tooth was restored with glass-ionomer material. Three months after the treatment, partial pulpotomy had been performed and the restoration was replaced by amalgam. Elaboration on possible associated clinical problems is provided.- - - - - - - - - - ranking = 65.74685881311keywords = caries (Clic here for more details about this article) |
17/38. A case of an unerupted maxillary central incisor for indirect trauma localized horizontally on the anterior nasal spine.The present paper emphasizes the importance of early diagnosis of retarded eruption because of trauma and the plan for the surgical management of impacted teeth. The permanent incisor was localized horizontally on the nasal spine and the roots seemed to be in a retarded stage of formation beside of contralateral tooth. The treatment plan consisted in the valuation of the necessity of space to move the impacted incisor in the normal position and the biomechanical approach for the anchorage.- - - - - - - - - - ranking = 1keywords = root (Clic here for more details about this article) |
18/38. Complications of pediatric denture misuse: a case report.The multiple loss of primary molars due to caries or other reasons in the primary or mixed dentition can lead to severe mutilation of the developing dentition. It is advisable to construct a removable appliance to maintain the relationship of the remaining teeth and to guide the eruption of the developing teeth in order to prevent the child from developing psychological and speech problems. However, parental and patient cooperation are imperative if the pediatric patient is to exercise the necessary care to maintain the denture in a clean and healthy condition. This case report identifies the complications that can arise from the uncontrolled misuse of a pediatric denture. It is concluded that as well as the parents, the pediatric dentists play an important role in the follow-up of the young patients for whom pediatric dentures are constructed. Additionally, patients should be re-called for check-up visits or instructed to refer to the dental clinics in 6-month intervals. Brochures that inform the patients and their parents about the application and care of pediatric dentures and space maintainers should be given.- - - - - - - - - - ranking = 32.873429406555keywords = caries (Clic here for more details about this article) |
19/38. Supernumerary teeth and mental retardation: the importance of early surgical intervention.AIM: This paper reported a rare case of hyperdontia in a child of 10 years who revealed a mixed dentition and a light mental retardation. MATERIALS AND methods: The therapeutic approach has been based on interdisciplinary cooperation between the pediatric dentist, orthodontist and oral surgeon. TC-Dentascan, with a panoramic and occlusal radiographs revealed the presence of two supernumerary teeth in the premaxillary region and clinical examination showed an abnormality of dentoalveolar complex. Both impacted supernumerary teeth were extracted under general anesthesia. Clinical examination revealed that they appeared two premolars in shape with fully formed crowns and partly formed roots. RESULTS: Three months after the extraction of supernumerary teeth there was a spontaneous eruption of permanent central incisors and left lateral incisor. CONCLUSION: The authors emphasized the importance of removal of supernumerary teeth to eliminate the cause of a delayed eruption of permanent teeth.- - - - - - - - - - ranking = 1keywords = root (Clic here for more details about this article) |
20/38. Parry-Romberg syndrome: a report of the dental findings in a child followed up for 9 years.INTRODUCTION: The incidence of Parry-Romberg syndrome (PRS) is very rare. CASE REPORT: A case report is presented highlighting the main dental aspects that include delayed eruption, root resorption, dilacerations, and a reduction in the height and width of the ramus and body of the mandible on the affected side.- - - - - - - - - - ranking = 1keywords = root (Clic here for more details about this article) |
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