An evaginated odontoma in an American Negro: report of case

Pearlman, Jerome T.; Curzon, M.E.J.

doi:10.14219/jada.archive.1977.0142

Cited by 15 publications

(7 citation statements)

References 6 publications

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“…1983 ). As reported in several studies, this anomaly occurs with a higher incidence in Mongoloid populations ( Yip 1974, Rechart & Tantiniran 1975, Meon 1991) than in Caucasians ( Palmer 1973) and Negroes ( Pearlman & Curzon 1977). However, the lack of precise criteria to classify an accessory cusp as a talon may contribute to the variations between different populations.…”

Section: Introductionsupporting

confidence: 57%

“…The prevalence of talon cusp varies considerably between different ethnic groups, ranging from 0.06% in Mexican children (Sedano et al 1989) to 7.7% in north Indian children (Chawla et al 1983). As reported in several studies, this anomaly occurs with a higher incidence in Mongoloid populations (Yip 1974, Rechart & Tantiniran 1975, Meon 1991) than in Caucasians (Palmer 1973) and Negroes (Pearlman & Curzon 1977). However, the lack of precise criteria to classify an accessory cusp as a talon may contribute to the variations between different populations.…”

Section: Introductionmentioning

confidence: 92%

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Clinical problems associated with unusual cases of talon cusp

Alomari¹,

Hat²,

Darwazeh

et al. 1999

Int Endodontic J

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Talon cusp is an uncommon dental anomaly manifested as an accessory cusp-like structure on the crown of anterior teeth. This report describes two unusual cases of talon cusp. Case 1 showed bilateral anomalous cusps on the palatal aspects of maxillary supernumerary teeth, causing premature contact and tooth impaction. In case 2, a double-fused talon cusp was projected from the palatal surface of a large geminated central incisor. A talon cusp is not an innocuous defect, as it may provide a substantial diagnostic, treatment planning and procedural challenge. Early diagnosis and management are important to avoid complications.

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Section: Introductionsupporting

confidence: 57%

Section: Introductionmentioning

confidence: 92%

Clinical problems associated with unusual cases of talon cusp

Alomari¹,

Hat²,

Darwazeh

et al. 1999

Int Endodontic J

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“…Although the dens evaginatus trait is usually restricted to Mongoloids; and so most of the reports have involved Chinese, Japanese, Eskimos and to a lesser extent Malays, Aleuts, Filipinos and American Indians, the trait has also been reported in a Greek [67] and a Negro [68]. The reported prevalence among Mongoloid peoples ranges from 0.1% to 4.3% ( Table 5).…”

Section: Dens Evaginatusmentioning

confidence: 99%

Morphological and Numerical Characteristics of the Southern Chinese dentitions. Part I: Anomalies in the Permanent Dentition

King¹,

Tsai²,

Wong³

2010

TOANTHJ

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Aim: To investigate the prevalence of eight morphological and numerical anomalies in the southern Chinese permanent dentition and to compare these with studies from different populations. Materials and Methods: The material used in the study consisted of study models and panoramic radiographs collected from 725 randomly selected 12-year-old children (358 males and 367 females). The anomalies were assessed using diagnostic criteria that have been most often cited in the published literature. Results: Of the eight dental anomalies studied, the prevalence of hyperdontia (2.6%) was higher than reported for Caucasians, and double tooth (0.8%) and dens evaginatus (4.7%) were the highest amongst all of the populations. Although the prevalence of hypodontia (7.3%) is comparable to that of other populations, mandibular incisors were the most frequently missing teeth in southern Chinese (5.6%) and this finding contradicted those from studies of other ethnic groups. Conclusion: Higher prevalences of double tooth, dens evaginatus and missing mandibular incisors can be considered to be characteristics of the southern Chinese permanent dentition.

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“…As well, there has been documentation of the unusual occurrence in whites (9,14) and the rare occurrence in African-Americans (two cases) (16) suggesting the anomaly could be a localized developmental peculiarity, possibly from pressure exerted upon the developing tooth bud from trauma (15). Lastly, a multifactorial etiology involving both genetic and environmental factors has been suggested (5,15,17).…”

mentioning

confidence: 99%

“…A review of the literature reveals an abundance of terms for this anomalous dental structure, the most frequently encountered being: odontome, odontoma (odontome) of the axial core type, evaginatus odontoma (evaginated odontome), occlusal enamel pearl, occlusal tubercle, tuberculum anomalous, accessory cusp, supernumerary cusp, interstitial cusp, tuberculated cusp, tuberculated premolar, Leong's premolar, and talon cusp (specifically for anterior teeth) (5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22). While one article attempts to distinguish talon cusp from DE (23), most authors agree both are the result of an exacerbation of the same phenomena during the morphodifferentiation stage of tooth development (1,5,20).…”

mentioning

confidence: 99%