Cases reported "Tooth, Unerupted"

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1/70. Radiographic localization of unerupted maxillary anterior teeth using the vertical tube shift technique: the history and application of the method with some case reports.

    The preferred means of radiographic localization is the parallax method introduced by Clark in 1910. He used 2 periapical radiographs and shifted the tube in the horizontal plane. In 1952, Richards appreciated that a vertical tube shift could also be carried out. No major changes then occurred in the technique until Keur, in australia, in 1986 replaced the periapical radiographs with occlusal radiographs. This modification enables a greater tube movement and therefore a greater shift of the image of the impacted tooth; it also ensures that the whole of the tooth is captured on the radiograph. For the vertical tube shift, Keur introduced the use of a rotational panoramic radiograph with an occlusal radiograph. In 1987, Southall and Gravely discussed this vertical tube shift combination in the English dental literature, and it is now the preferred combination of radiographs for localizing impacted maxillary anterior teeth. Jacobs introduced this method to the American literature in 1999, but it has yet to gain acceptance in the continental European literature. Jacobs recommended, when using this combination, to routinely increase the vertical angulation for the occlusal radiograph by 10 degrees to achieve a greater image shift. Four case reports are presented in this article. Three have photographs taken at surgical exposure to illustrate how the position of the impacted tooth can be accurately predicted by appropriate interpretation of the radiographs.
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2/70. Piggyback archwires.

    Commonly, clinicians' principal tool in the alignment phase of orthodontic mechanotherapy is the nickel-titanium wire. During the course of orthodontic treatment, however, there are times when some segments of the dental arch require flexible wires, while the rest would benefit from rigid wires. In this report, we describe a technique where both of these needs are satisfied simultaneously. Specifically, a segment of nickel-titanium wire is piggybacked onto a stainless steel wire in regions where flexibility is desired. This method eliminates the problems associated with the activation, de-activation forces created along a continuous archwire and might be more economical. Clinical pictures illustrate the point.
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3/70. Esthetic management of an unerupted maxillary central incisor with a closed eruption technique.

    In cases of orthodontic traction of unerupted teeth, gingival recession and long clinical crowns are often seen. Satisfactory esthetic demands are not always met. A case of an unerupted maxillary central incisor is presented, in which traction was used, with emphasis on the surgical technique and the direction of the pull. The result was clinically favorable. The appearance of gingival margin was restored.
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ranking = 1.7022986917243
keywords = gingival
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4/70. Treatment of an "ankylosed" upper central incisor in the mixed dentition.

    A ten-year-old boy presented with an unerupted upper right central incisor (UR1). An OPG radiograph showed a supernumerary tooth lying over its crown, preventing its eruption. Standard orthodontic treatment involving removal of the supernumerary tooth, attaching a gold chain to the UR1 and treatment with fixed orthodontic appliances failed to bring the tooth down, until it was found that tough fibrous gingival tissue entwined in the gold chain had "ankylosed" the tooth. Once this tissue had been removed and the wound packed open, the tooth was brought down successfully into occlusion.
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ranking = 0.85114934586213
keywords = gingival
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5/70. Modified apically repositioned flap in the treatment of unerupted maxillary central incisors.

    The successful management of labially unerupted maxillary central incisors requires a coordinated surgical, orthodontic and general practitioner approach. The key to achieving maximal eruption of these teeth is their surgical exposure, central to which is the philosophy that the surgeon must provide a functional width of attached gingiva on the labial surface. This case describes the incorporation of palatal mucosa into an apically repositioned flap, resulting in the successful establishment of an attached gingival margin, where routine flap design would have seriously compromised the eventual outcome.
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keywords = gingival
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6/70. Hurler syndrome: a case report.

    Hurler syndrome is an inherited disorder of mucopolysaceharide metabolism, which is caused by a defect in genetically controlled pathways of lysosomal degradation. It represents the classical prototype of mucopolysaccharide disorder. An interesting case of a three and a half-year old boy with a rare combination of skeletal, neurological, ophthalmologic, and dental findings is presented. It is a rare syndrome with a very low prevalence of 1:100,000 births and as such the clinician should be aware of this syndrome.
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7/70. crown lengthening to facilitate restorative treatment in the presence of incomplete passive eruption.

    Crown-lengthening surgery can be utilized to expose subgingival caries. In this clinical case, a patient presented with incomplete passive eruption in the maxillary anterior sextant. This case illustrates that when incomplete passive eruption is present and restorative treatment is necessary in the maxillary anterior sextant, crown-lengthening surgery not only provides exposure of subgingival caries but can also result in a more esthetic therapeutic outcome.
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ranking = 1.7022986917243
keywords = gingival
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8/70. oral manifestations of Menkes' kinky hair syndrome.

    Menkes' Kinky hair syndrome (MKHS) comprises an array of clinical manifestations including hair shaft abnormalities, epidermal hypopigmentation, and progressive cerebral degeneration that are transmitted as an X-linked recessive disorder affecting copper transport pathways in primarily young males. The oral manifestations of MKHS are scantly reported to include the presence of gingival enlargement and delayed eruption of primary teeth. The purpose of this report is to present a case of MKHS describing the intraoral clinical findings.
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ranking = 0.85114934586213
keywords = gingival
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9/70. Submerging deciduous molars--an extraction in time!

    A case is presented of a 25-year-old man with a submerged lower second deciduous molar and an impacted lower second premolar. Treatment was complicated by the relationship of the teeth to the inferior dental nerve, which necessitated extensive bone removal and mental nerve transposition to remove the submerged and impacted teeth. Early recognition and treatment of the submerging tooth might have prevented the need for such extensive surgery and morbidity at a later date.
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10/70. True oligodontia with microdontia in monozygous twins: implications for reappraisal of Butler's Field Theory.

    Oligodontia, which may be defined as the congenital absence of six or more teeth apart from third molars, affects less than 0.5% of the population and may occur in isolation or as part of a syndrome. This paper aims to clarify the role of genetic factors in this condition by reporting a case of a pair of identical twins and their mother who display similar patterns of oligodontia without medical problems. Each twin has 13 missing permanent teeth and their mother 16 missing teeth, but the patterns of agenesis do not conform with Butler's Field Theory according to which the distal teeth in each class are most likely to be absent. Unerupted third molars are present in both twins and all three family members display maxillary lateral incisors. Dental crown size profile patterns were computed for all three individuals and highlight a marked reduction in mesiodistal and buccolingual dimensions of the remaining teeth in each. In addition, erupted teeth showed simplified crown morphology. Oligodontia should not be viewed in isolation, but rather considered as one manifestation of a variety of dental changes in genetically susceptible individuals.
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