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Results 501 - 550 of 671
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MacIsaac A M - - 1994
The history of intracoronal bleaching and the development of the walking bleach technique are reviewed. External cervical resorption associated with intracoronal bleaching is a serious sequela that has been reported in the literature. One explanation given for this phenomenon is that it results from an inflammatory process initiated by the ...
Türker M - - 1993
Dens in dente (dens invaginatus, tooth within a tooth, dilated composite odontome) is an abnormal tooth form which occurs most frequently in the permanent maxillary lateral incisor region. Dens in dente may occur, however, in any tooth in the dental arch, although these other forms are comparatively rare. It may ...
Darbar U R - - 1993
A case of a patient with multiple external root resorption affecting principally the molars and premolars is described. This case is unusual in that although both right and left molar and premolar teeth are involved, the resorption is worse on the left side and affects only the distal roots of ...
Pensler A V - - 1993
There is some controversy about whether or not tooth preparation is needed before placing porcelain laminate veneers. Without adequate preparation, the added surface contour may increase the risk of periodontal disease. When properly executed, veneers for cosmetic dentistry should be reversible. Many teeth that could have been saved with the ...
Harrison R - - 1993
The purpose of this study involving a sample of children with single central incisor crossbite was to determine the relationship between clinical crown lengths of the crossbite and noncrossbite mandibular incisors, incisor irregularity, and orthodontic correction of the crossbite. In addition, for comparison, the normal maturational change in position of ...
Frank C A - - 1993
This is the case report of a 26-year-old black woman with a Class I malocclusion and a skeletal Class II profile and vertical maxillary excess. Extraction spaces were closed, creating a Class II malocclusion to augment anticipated surgery (LeFort I osteotomy and genioplasty). The treatment result provided outstanding occlusal function ...
Goodman J R - - 1993
Osteopathia striata is an unusual skeletal condition that can affect the bones of the skull quite markedly and result in dental problems that have rarely been discussed in the literature. The characteristic features exhibited by the patient in this case report were dense maxillary and mandibular bone, a high forehead ...
Rubin M M - - 1993
The following case report describes the unusual occurrence of a central neurilemoma of the mandible. The lesion presented as a large bilocular, radiolucency of the mandibular body and was discovered incidentally on routine panoramic examination. It was successfully treated by enucleation and curettage. A brief review of neurilemoma is also ...
Crespi R - - 1993
This paper reviews types of preparation margins and the placement of the restoration's margins in relation to the gingival margin in prosthetic reconstruction of periodontally involved teeth. The "emergence margin," a new type of preparation margin, is presented through three case reports. The requirements for successful use of the emergence ...
Ruffin S A - - 1993
This report describes a case of subpontic osseous hyperplasia that occurred in the posterior mandible of a healthy 67-year-old woman. The two hard masses, which were removed from beneath a fixed partial denture that was placed 35 years ago and spanned the lower left first premolar and the first and ...
McDonnell D - - 1993
The dense bone island is an asymptomatic radiopacity of unknown origin and is known under many synonyms when it occurs in the jaw. This article discusses 113 dense bone islands in 107 patients with a review of the literature and comparison with previous reports. The average age of the patient ...
Anil S - - 1993
A case of extensive internal resorption of the left mandibular first premolar in a 24 year old man is reported. The case presented with slight discolouration and mobility of the tooth. On radiological examination extensive internal resorption and a fracture line at the cemento enamel region was observed, separating the ...
Reading J F - - 1993
This case report was awarded the Begg Medallion in 1986. A lengthy period of pretreatment investigation and serial extraction culminated in the need to extract eight permanent teeth. Posttreatment retention and subsequent observation is recorded with photographic results seven years after the completion of active treatment with the Begg Appliance.
Goh G K - - 1993
The causes of tooth impaction are as numerous as are ways to manage the problem. Treatment is usually instituted only after an unfavourable eruption prognosis of the impacted tooth has been established from radiographic and clinical examination. Advantages of guided eruption and surgical removal have to be weighed. Fifteen cases ...
Schatz J P - - 1993
The loss of anterior teeth by trauma has usually been corrected by orthodontic or prosthetic means. In some specific cases, however, the skeletal and dental relationship may contraindicate the use of space-closure mechanics. Autotransplantation of teeth, successfully depicted in many clinical studies, can help to reduce the severity of orthodontic ...
Frank C A - - 1993
A case report about the orthodontic treatment of a Class III malocclusion in a black man 22 years 8 months old. The patient's chief complaint concerned the space left by the traumatic loss of the maxillary left central incisor. Not desiring changes in facial appearance, the patient sought an orthodontic ...
Iseri H - - 1993
This report describes an ancient skull, in which both maxillary canines were impacted and mandibular third molars were missing. During the excavations at the early village site of Cayönü (Turkey), the subject of this report was found inside a skull building (charnel house) together with the fragments of 75 skulls, ...
Venetikidou A - - 1993
Although many reports of the CHARGE association appear in the literature, the dental findings were never discussed before. In this report of two cases, both patients present with delayed eruption of the permanent teeth and a remarkable similarity of the eruption pattern of the mandibular teeth. One lower permanent central ...
Symons A L - - 1992
Traumatic events at an early age may lead to developmental dental anomalies and ectopic tooth eruption. A case is reported in which a traumatic injury at two months of age resulted in the development of supernumerary teeth in the upper right premaxillary region. The maxillary canine ectopically erupted or transposed ...
Karaca I - - 1992
Dens in dente, also known as dens invaginatus, dilated composite odontoma or deep foramen caecum, is a developmental malformation which usually affects maxillary incisor teeth, particularly lateral incisors. It may occur, however, in teeth anywhere within the jaws but other locations are comparatively rare. It can occur within both the ...
Wood J C - - 1992
The orthodontic correction of a Class II Division I malocclusion with significant maxillary arch length deficiency and a blocked-out maxillary cuspid is reported. The case was successfully completed on a non-extraction basis using extraoral cervical headgear anchorage and compressed coil springs to gain necessary maxillary arch length. No intermaxillary elastics ...
Zemtsov A - - 1992
Fixed drug eruptions due to Tylenol (paracetamol, acetaminophen) are very rare. The authors report two additional cases and review the literature.
Gold S I - - 1992
External resorptions associated with inflammation in marginal tissues are many times misdiagnosed and confused with caries and internal resorptions. A lack of uniformity in nomenclature has added to the confusion. This paper reviews the literature and presents cases to illustrate a rational approach to diagnosis and treatment. A new name ...
Briggs P F - - 1992
The replacement of maxillary central incisor teeth with the maintenance of a midline diastema can create considerable problems for the restorative dental surgeon. This case report illustrates the treatment of such a case using a fixed-fixed resin-retained bridge with a modified palatal connector. Alternative treatment options are discussed.
DeForge D H - - 1992
Developmental abnormalities of tooth shape and form are rare. Identification of dens in dente is made by radiographic and clinical examination. Pulpitis, pulp necrosis and periapical inflammation can be associated with this abnormality. The tooth should be evaluated for endodontic therapy. A review of the literature related to dens in ...
Peters E - - 1992
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 ...
Rahima M M - - 1992
A case is presented in which primary hyperoxaluria and oxalosis in a 14-year-old Caucasian female were diagnosed. Generalized root resorption resulted in a remarkable mobility of her maxillary central and lateral incisors, although no bone loss was noted. The management of the patient's dental concerns in this rare heritable metabolic ...
Mintz S M - - 1992
Reports of spontaneous tooth exfoliation and osteonecrosis trigeminal herpes zoster are extremely rare and have been sporadic. This article reports a pertinent case of a 50-year-old man who exhibited prodromal odontalgia before the appearance of vesicular mucocutaneous lesions, together with severe destruction of the maxillary bone and exfoliation of multiple ...
Erverdi N - - 1992
The effect of crib therapy for the treatment of cases of open bite was investigated. Extrusion of the lower and upper incisors and intrusion of the lower first molars were the most significant effects of the appliance. Intrusion of the lower molars resulted in decreased lower facial height. These findings ...
Morris D O - - 1992
Fusion of the permanent molars is a relatively uncommon dental anomaly. In this article, a case of fusion of a symptomatic mandibular third molar with a supernumerary fourth molar is reported. The differentiation with other forms of 'double teeth' is explained and the possibility of the initial panoramic radiograph view ...
Headley N C - - 1992
To date, the scientific literature has documented, primarily, successful methods and techniques of treatment involving vertical extrusion. The purpose of this article is to review the literature and report on a case that demonstrates the multidisciplinary approach required to successfully manage a reversible complication involving the restoration of an adult ...
Williams A C - - 1992
During the study of two-hundred orthodontic cases under treatment in the General Dental Service, four clinicians showed only moderate agreement using the British Standard Classification of Incisor Malocclusion. Cohen's Kappa statistic was used to measure the inter-examiner agreement. The 35 cases in which there was high disagreement between the examiners ...
Swift E J EJ - - 1992
Internal bleaching is frequently used to treat discolorations of endodontically treated teeth, and home bleaching of stained vital teeth has also become popular. This article describes a case in which carbamide peroxide home bleaching was used to enhance the appearance of an internally bleached, endodontically treated tooth.
Budd C S - - 1992
This case report describes the endodontic and restorative treatment of two anterior permanent teeth with unusual external and internal anatomy due to lusion. A maxillary right central incisor had fused with a supernumerary and the maxillary left central incisor had fused with the left lateral incisor. The complexity of the ...
Belanger G K - - 1992
One type of malocclusion in the primary dentition is posterior crossbite caused by premature deflective occlusal interferences. The primary canines are the teeth that most frequently contribute to a laterally guided centric occlusion that creates a functional malocclusion. Because this is not a self-correcting situation, these types of posterior crossbites ...
Askenas B G - - 1992
Bacterial plaque has been implicated as the primary etiologic factor in the initiation and progression of periodontal disease. Anatomic factors, such as cervical enamel projections, enamel pearls, and radicular grooves, are often associated with advanced localized periodontal destruction. Enamel projections and pearls are most often associated with molars, while radicular ...
Nakamura T - - 1992
The radiographic features of the jaws in the mucopolysaccharidoses and related disorders (MPS) have been reviewed and three further cases are reported here, with particular reference to a novel dental anomaly, not previously described in detail, in two of them. The dental changes appear to be fully developed by the ...
Smidt A - - 1992
This report presents a case in which tooth exfoliation followed rubber dam abuse. A 40-year-old patient was referred to the prosthodontic clinic with complaints of mobility and discomfort in tooth 44, which had received an amalgam restoration. While this tooth was scaled, a piece of rubber dam appeared in the ...
McGuire M K - - 1992
To rebuild the damaged periodontium to its original form, it would be ideal not only to cover the denuded root surfaces with soft tissue, but also to reconstruct the cortical plate. This paper presents four cases in which osseous grafts and guided tissue regeneration, along with root surface conditioning, were ...
Dibbets J M - - 1992
Estimated on data derived from a longitudinal study of 172 orthodontic subjects, structural bony change in the mandibular condyle occurs in 5% of the individuals documented from childhood to adulthood. The first appearance generally was between 12 and 16 years of age. Differential diagnosis based upon signs and symptoms of ...
Wish-Baratz S - - 1992
Only a few cases of condylar penetration into the middle cranial fossa have been documented in the literature. This study attempts to provide an anatomical explanation for this rare phenomenon. Mandibular (glenoid) fossa position in relation to important endocranial and exocranial structures located in close proximity to the TMJ, and ...
Nik-Noriah - - 1992
A case report showing the eruption of the left maxillary and mandibular permanent cuspids in a six-year-old boy, is presented. In addition, the dental age of all the permanent cuspids as seen by the eruption and tooth development suggested that the cuspids are comparable to those seen in a 13 ...
de Toledo O A - - 1992
Three clinical cases of odontoma were detected in 2 children and 1 adolescent. The tumors were surgically removed. Clinical suspicion was based on facial deformity in one of the cases and on the absence of permanent tooth eruption in the other two. Radiographic evidence of odontoma was confirmed through histological ...
Dorn S O - - 1991
This article reviews the recent literature on endodontic surgery and root end filling materials. Root end filling materials have been studied extensively during the period of this review. The materials that have proved to consistently seal the apex in both leakage and success studies are the reinforced zinc oxide-eugenol cements ...
Grimanis G A - - 1991
The contemporary literature concerning the etiology, frequency, and classification of supernumerary teeth, specifically molars, is reviewed in this article. Also, methods for their early detection, as well as the prognosis and treatment of supernumerary molars, are discussed. Eight cases at the University of Athens and 105 others obtained from the ...
Zmener O - - 1991
This case report describes a radiographical, histological and histochemical study of an extracted mandibular tooth with progressive external root resorption. The cells which appeared to be responsible for the hard tissue resorption showed an intense acid phosphatase activity, similar to that of bone-resorbing cells. Some aspects on the etiology and ...
Loh H S - - 1991
The permanent mandibular second molar is usually described as four-cusped, two placed buccally and two lingually. It has been reported that five-cusp forms were more commonly present in dentitions of mongoloid origin. The prevalence and features of this tooth form were examined in a Singaporean sample of 380 subjects with ...
Bedi R - - 1991
The prevalence of double teeth in the primary dentition, for the British schoolchild, is 1.6%. Although primary double teeth in the anterior region of the mouth are not uncommon, double teeth in the primary molar region are rare. This case report describes the intra-oral findings, and in particular a case ...
Takeda Y - - 1991
This paper reports a case of multiple dens invaginatus (DI) bilaterally involving the maxillary central incisors, mandibular canines, and first premolars. The patient was a 11-year-old boy with steeple-head and mild mental retardation. The maxillary central incisors showed disproportionately large crowns and short roots. A roentgenographic survey of the skeletal ...
Manschot A - - 1991
This case report describes a patient in whom orthodontic treatment and poor oral hygiene resulted in a severe mucogingival problem associated with a mandibular incisor tooth. Following mucogingival surgery, the esthetic and the oral hygiene maintenance problems were resolved. Orthodontic treatment carried out without periodontal consideration may, in some cases, ...
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