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At least 37 records · Page 2Linked to original sources
PubMed1993

Impacted cuspids in a Saudi population: prevalence, etiology and complications.

The prevalence, etiology and related complications of impacted maxillary and mandibular cuspids were studied among a convenient sample of 4,898 Saudi patients aged 13 years and older. Results indicate that 175 patients (3.6%) out of a sample had at least one impacted cuspid. Most (22.9%) possessed multiple involvement. Female patients were found to be more concerned about the problem (p < .001). The maxillary arches were usually affected more frequently. The most common location of maxillary cuspid impactions was palatal and the lingually located impaction in the mandible was found to be very rare. In most of the subjects the lack of arch space was the main etiological factor. Cuspid impactions were found to be occasionally associated with various unfavorable sequelae.

Adolescent↗
PubMed1981

Diagnosis and prevention of maxillary cuspid impaction.

Upper cuspid impaction is a serious problem that occurs with sufficient frequency to justify diagnosis and intervention as early as a dental age of 8 years. Screening consists of identifying patients who lack a normal cuspid bulge on palpation, with follow-up radiographic evaluation where indicated. Selective removal of deciduous cuspids is a suggested interceptive measure in Class I uncrowded malocclusions.

Adolescent↗
PubMed1999

A comparison of autotransplantation and orthodontics in a case exhibiting two ectopic upper cuspids.

Bilateral severely ectopic maxillary cuspids were treated differently on each side. On one side the ectopic cuspid was moved into position orthodontically, and on the other, the ectopic cuspid was positioned by autotransplantation. The orthodontic positioning took a long time and the tooth exhibited root resorption. Treatment time for the autotransplantation positioning was far quicker, and there was no resorption nor were there any other side effects.

Anodontia↗
PubMed2003

Prediction of the size of un-erupted permanent cuspids and bicuspids in a Saudi sample: a pilot study.

The purpose of this study was to produce an estimated equation for the prediction of unerupted cuspids and bicuspids for the Saudi population. In this study, dental casts of 65 Saudi subjects (37 males and 28 females) were used. The subjects' age ranged from 18 to 25 years. The mesiodistal width of all permanent teeth was measured. The data was subjected to regression analysis. Results showed the Tanaka and Johnston equations overestimate the predicted tooth width of the un-erupted cuspids and bicuspids in Saudis. Results showed the predicted tooth width of Saudis (males and females) is closer to the 50% level of confidence in Moyer's chart. Multiple regression equations were estimated including the sex factor. Accordingly, two equations were estimated for the prediction of the tooth width of the un-erupted cuspids and bicuspids for the Saudi males and females. Based on the results, it can be concluded the 50% data is more accurate than the commonly used percentage Moyer's table (75%) when both sexes are combined. Further studies are needed to confirm the findings of this study.

Adolescent↗
PubMed2003

Management of impacted cuspids using 3-D volumetric imaging.

Management of impacted cuspids is a complex clinical problem involving proper assessment and interdisciplinary treatment planning. In this paper, we describe the use of 3-D volumetric imaging in the management of impacted cuspids and illustrate this application in case reports of maxillary and mandibular impacted cuspids.

Adolescent↗
PubMed1992

Early eruption and advanced root development of the permanent cuspids in a six-year-old boy.

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 to 14 year-old-boy. A search of the literature has not revealed any such reports.

Age Factors↗
PubMed1982

Endodontic therapy associated with a case of cuspid gigantism.

A case of cuspid gigantism is reported. A technique used to diagnose and complete the root canal therapy is discussed. Modifications of conventional techniques and materials are shown to be effective in managing this case. Routine use of the bitewing film on long cuspids is not recommended. It is suggested only in extreme cases of unusual anatomic features that lend themselves specifically to this technique. It should be kept in mind that such circumstances are uncommon.

Adult↗
PubMed1987

Incisor resorption caused by maxillary cuspids. A radiographic study.

A detailed radiographic study of 46 cases of maxillary incisor resorption related to unerupted cuspids finds most resorption in midroot, with about half on labial or lingual surfaces where it was not detectable on periapical radiographs. Resorption appears early, making it desirable to evaluate cuspid position no later than 10 or 11 years of age.

Adolescent↗
PubMed1991

Traumatic avulsion of the mandibular right primary lateral incisor and cuspid.

Premature loss of the primary mandibular cuspid has been considered rare. When this occurs, however, space maintenance should be considered to prevent distal drifting of the lateral incisor. The purpose of this case report was to document traumatic avulsion of the mandibular right lateral and cuspid. A lingual arch appliance with a spur was fabricated to maintain space and prevent movement of the mandibular incisors. Sequelae of premature loss of primary teeth is presented.

Child, Preschool↗
PubMed1993

Fracture resistance of endodontically-treated cuspids.

The purpose of this in vitro study was to determine the optimum method for treating an endodontically treated cuspid prior to placement of a crown. Sixty extracted human maxillary and mandibular cuspid teeth were divided into groups of 10. In groups A and B, the crowns were removed at the CEJ and post amalgam cores were placed with #5 Paraposts (Group A) and #120 tapered Ticonium Endowels (Group B). The remaining groups received the following treatments: Group C--gutta percha endodontic fillings, Group D--bonded composite (Fluoro-Core) in the access preparations, Group E--#100 Ticonium Endowels, and Group F--untreated control group. All teeth were prepared for and received cemented gold crowns, were mounted in methyl methacrylate and were stressed at 45 degrees to failure in an Instron machine. Mean fracture strengths (Newtons) were: Group A--500, Group B--530, Group C--520, Group D--510, Group E--680, Group F--580. Results indicated that when the coronal tooth structure was removed, there was no statistical difference (P < 0.05) between the Parapost and Endowel core buildup groups. Although Group E (intact crowns+Endowel posts) displayed higher mean fracture resistance than all other groups, there was no statistical difference (P < 0.05) due to the large range.

Analysis of Variance↗
PubMed1996

Gold restorations of the distal aspect of cuspid teeth.

Proper cavity preparation and fabrication techniques for inlay and onlay restorations require particular scrutiny. Gold has been established as the most effective restorative material for this indication, demonstrating the maintenance of long-term function, marginal integrity, interproximal contacts, effective contouring, and soft tissue compatibility. This article examines the slot inlay restoration, the distal hollow-grind preparation--alone or with a pin, and the class III gold foil technique for the restoration of the distal of the cuspids, a procedure that remains technically demanding for the profession. The author outlines efficient methods by which these restorations can be accomplished for the repair of lesion that reside on the distal aspect of cuspid teeth.

Cuspid↗
PubMed1995

Periodontal surgical management of impacted maxillary cuspids.

The diagnosis and surgical management of impacted maxillary cuspids has been discussed. The general practitioner must be aware of the normal and abnormal pathways as well as the correct age of eruption of the maxillary cuspid. The proper management of impacted maxillary canine teeth requires the careful cooperation and communication between the general practitioner, the orthodontist and the periodontist or oral surgeon.

Cuspid↗
PubMed1997

Orthodontic management of impacted maxillary cuspids.

Many problems have been associated with the eruption of maxillary canines and careful supervision and early diagnosis of disturbances in eruption are portentous. A review of the literature concerning the impaction and treatment of the maxillary cuspids, followed by a case report, is presented. Incidence of impactions; most frequent location of impactions; common treatment for impactions; and etiology are discussed. Risks involved are enumerated. A case report of impacted maxillary cuspids utilizing a two-phase treatment (Sagittal II, Wilson 3D quad action, and straight wire appliance) is presented.

Cephalometry↗
PubMed2006

A novel scale including strabismus and 'cuspidal ear' for distinguishing schizophrenia patients from controls using minor physical anomalies.

The present study explored minor physical anomaly items relevant to schizophrenia in order to establish a scale that can distinguish schizophrenia from controls using newly identified items along with items from the refined Waldrop scale. Seven items were significantly more frequent among schizophrenia patients (N=218) than controls (N=226). Among these seven items, two novel features, strabismus and 'cuspidal ear' showed markedly different prevalence rates between schizophrenia and control groups. A six-item scale, including the newly identified strabismus and cuspidal ear, was selected for most accurately discriminating patients with schizophrenia from controls. This scale correctly classified 59.6% of patients and 78.9% of control subjects. This new scale is procedurally more exacting and quantitative, and more relevant to schizophrenia than the original Waldrop scale. The validity of this scale should be sound since it was tested on a larger number of cohorts than used in previous research. Our scale can be used as a biomarker for predicting risk for future development of schizophrenia. The scale may also facilitate the identification of schizophrenia susceptibility genetic/environmental factors by stratifying etiologically heterogeneous patients according to physical abnormalities.

Abnormalities, Multiple↗