Talon cusp: a review and case report

Dayal, P K; Mani, Navin; Verma, Priyanka

doi:10.1016/s0300-5712(80)80050-9

Cited by 9 publications

(12 citation statements)

References 2 publications

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“…All individuals with RTS with talon cusps from literature had at least 2 [Baker, 19871, but mostly had 4, teeth involved [Sakurai et al, 1966;Gardner and Girgis, 1979;Kinirons, 19831. Ten normal individuals from other studies were reported with 2 talon cusps [Dayal et al, 1980;Davis and Brook, 19861 and 3 patients with 4 or more talon cusps [Rantanen, 1971;Goldstein and Medina, 1974;Goel et al, 19763. The mean number of talon cusps in the present study was 3.9, with all patients having at least 2 teeth involved (in one patient 8 teeth were affected).…”

Section: Discussionmentioning

confidence: 99%

Oral aspects of Rubinstein-Taybi syndrome

Hennekam

Doorne

2005

Am. J. Med. Genet.

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Oral findings in 45 patients with Rubinstein‐Taybi syndrome living in The Netherlands are compared with those from the literature. The main non‐dental findings were thin upper lip, small oral opening, pouting lower lip, retro/micrognathia, and apparently highly arched, narrow palate. Cleft uvula, cleft palate, or, rarely, cleft upper lip can be part of the syndrome. Timing of the eruption of deciduous and permanent dentition is normal. Sixty‐two percent of patients have malpositioned, crowded teeth. Marked caries was found in 36% and was possibly caused by problems in dental care due to the small opening of the mouth, malposition and malformation of the teeth, and non‐cooperation of the patients. Hypodontia, hyperdontia, and natal teeth can be manifestations of the syndrome. In 73% of all patients and in 92% of all permanent dentitions, talon cusps were found. Two or more talon cusps are rarely found in the normal population or other syndromes. Therefore, this finding strongly supports the diagnosis of Rubinstein‐Taybi syndrome in patients in whom this diagnosis is suspected.

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Section: Discussionmentioning

confidence: 99%

Oral aspects of Rubinstein-Taybi syndrome

Hennekam

Doorne

2005

Am. J. Med. Genet.

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“…In fact while talon cusp can appear alone it is often associated with a long list of dental anomalies, including anodontia (Dayal et al, 1980;Hedge & Kumar, 1999;Dash et al, 2004;Cho et al, 2008); cleft lip and palate Kraus et al, 1966;Schroeder & Green, 1975); dens evaginatus (Davis & Brook, 1986;Cho et al, 2008) dens invaginatus (Hattab et al, 1995;McNamara et al, 1997;McNamara et al, 1998;de Sousa et al, 1999;Lorena et al, 2003;Siraci et al, 2008); impacted teeth (Mader, 1981;Natkin et al, 1983;Lomçali et al, 1994;Al-Omari et al, 1999;Dash et al, 2004); malocclusion (Lomçali et al, 1994;Al-Omari et al, 1999;Lehl, 1999;Hattab & Hazza'a, 2001;Segura-Egea et al, 2003b;Dash et al, 2004;Uslu et al, 2009); megadontia (Goel et al, 1976); microdontia (Hattab et al, 1995); partial anodontia (Lehl, 1999); periodontopathy (de Sousa et al, 1999); root abnormalities (Acs et al, 1992;McNamara et al, 1997;McNamara et al, 1998;Cubukcu et al, 2006); supernumerary teeth (Davis & Brook, 1986;Acs et al, 1992;Zhu et al, 1997;Al-Omari et al, 1999;…”

Section: Clinical Associations Of Talon Cuspsmentioning

confidence: 99%

“…J. Osteoarchaeol. 21: 391-406 (2011 odontomes (Natkin et al, 1983); peg-shaped incisors (Mellor & Ripa, 1970;Mader, 1981); and shovelshaped incisors (Dayal et al, 1980;Davis & Brook, 1986;Acs et al, 1992;Hattab et al, 1995;Al-Omari et al, 1999;Lorena et al, 2003;Sharma, 2006). Recent research has highlighted the co-occurrence of talon cusp and fusion-the joining of two adjacent tooth germs to form a single large tooth- (Hasiakos et al, 1986;Taloumis & Nishimura, 1989), geminationwhen a single tooth germ attempts to form two teeth- (Cullen & Pangrazio-Culbersh, 1985;Al-Omari et al, 1999;Hattab & Hazza'a, 2001;Cubukcu et al, 2006;Gü ndü z & Açikgõ z, 2006;Agnihotri et al, 2007), and double tooth-the preferred designation when differential diagnosis between fusion and gemination is not possible-in the same dental element of the permanent (Lomçali et al, 1994;Li, 2002;Mayes, 2007;Ekambaram et al, 2008) and deciduous (Mays, 2005;Halcrow & Tayles, 2008;Silva & Subtil, 2009) dentitions.…”

Section: Clinical Associations Of Talon Cuspsmentioning

confidence: 99%

Labial canine talon cusp from the Early Holocene site of Gobero, central Sahara Desert, Niger

Stojanowski

Johnson

2011

Intl J of Osteoarchaeology

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The specimen reported here presents a rare form of dental variant-a permanent, mandibular labial canine talon cusp. This anomaly has not previously been reported in the clinical or archaeological literatures and is currently unique. The affected individual is an adult male from the Early Holocene cemetery of Gobero located in the Sahara Desert in the Republic of Niger. The age of this site (ca. 9500 bp) makes this the first archaeological case of labial talon cusp from Africa and the oldest reported talon cusp of any kind (lingual or labial, maxillary or mandibular, incisor or canine) in the world. Previous case studies, population frequency data, sexual dimorphism patterns and distribution within the dentition are discussed for labial talon cusp. The morphological aetiology of talon cusps is reviewed with respect to this specimen.

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“…The talon cusp has been associated with other odontogenic anomalies, such as peg-shaped lateral incisors (2), unerupted permanent canines (6,8,13,18), a supernumerary tooth (8,13,21), a congenitally missing tooth (21), an evaginated mandibular premolar (13), an invaginated maxillary lateral incisor (13,22), transposed mandibular incisors and canines (13), and an odontome (18). The talon cusp has also been reported in patients with the Ruloinstein-Taybi syndrome (15), the Mohr syndrome (21), and the Sturge-Weber syndrome (13).…”

Section: Discussionmentioning

confidence: 99%

“…More than 50 cases have been reported in the literature. There is general agreement that the accessory cusp, resembling an eagle's talon in shape, consists of enamel, dentin and pulpal tissue (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12). Mader (10) has proposed that the term be reserved for "anomalous cusps of succedaneous incisor teeth".…”

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confidence: 99%