Biometric Analysis – A Reliable Indicator for Diagnosing Taurodontism using Panoramic Radiographs

Hegde, Vibha; Anegundi, Rajesh T; Pravinchandra, K R

doi:10.7860/jcdr/2013/5543.3274

Cited by 10 publications

(31 citation statements)

References 5 publications

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“…Taurodontism of primary or permanent molars was found in all of the examined individuals using biometric analysis from panoramic radiographs. This method is superior and more sensitive than cursory examination, especially in cases of milder forms of taurodontism [23]. The most evident signs were found in the single individual in whom permanent molars were assessed.…”

Section: Discussionmentioning

confidence: 99%

Abnormal primary and permanent dentitions with ectodermal symptoms predict WNT10A deficiency

et al. 2016

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BackgroundThe WNT10A protein is critical for the development of ectodermal appendages. Variants in the WNT10A gene may be associated with a spectrum of ectodermal abnormalities including extensive tooth agenesis.MethodsIn seven patients with severe tooth agenesis we identified anomalies in primary dentition and additional ectodermal symptoms, and assessed WNT10A mutations by genetic analysis.ResultsInvestigation of primary dentition revealed peg-shaped crowns of primary mandibular incisors and three individuals had agenesis of at least two primary teeth. The permanent dentition was severely affected in all individuals with a mean of 21 missing teeth. Primary teeth were most often present in positions were succedaneous teeth were missing. Furthermore, most existing molars had taurodontism. Light, brittle or coarse hair was reported in all seven individuals, hyperhidrosis of palms and soles in six individuals and nail anomalies in two individuals. The anomalies in primary dentition preceded most of the additional ectodermal symptoms. Genetic analysis revealed that all seven individuals were homozygous or compound heterozygous for WNT10A mutations resulting in C107X, E222X and F228I.ConclusionsWe conclude that tooth agenesis and/or peg-shaped crowns of primary mandibular incisors, severe oligodontia of permanent dentition as well as ectodermal symptoms of varying severity may be predictors of bi-allelic WNT10A mutations of importance for diagnosis, counselling and follow-up.

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Section: Discussionmentioning

confidence: 99%

Abnormal primary and permanent dentitions with ectodermal symptoms predict WNT10A deficiency

et al. 2016

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“…Extraction of teeth presenting taurodontism is usually complicated because of the change in furcation and volume of the tooth [ 3 ] and could lead to a risk of mandibular fracture, especially in cases with tooth length extending to the basilar as in the current case. Iatrogenic mandibular fracture associated with tooth removal can be the most serious complication and can occur immediately during the procedure or later in the first 4 weeks, being mostly associated with removal of third molars [ 4 ].…”

Section: Discussionmentioning

confidence: 99%

“…Taurodontism is characterized by an enlarged pulp chamber with apical displacement of pulp floor and absence of cementoenamel junction constriction diagnosed by radiographic examination. This dental anomaly is caused by failure on invagination of the Hertwig epithelial sheet diaphragm at the appropriate horizontal level, leading to changes in tooth shape [ 1 – 3 ]. Fracture of the mandible during extraction is a rare but underestimated complication, and most cases are associated with the removal of voluminous or deeply impacted third molars [ 4 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Extending Coronectomy Indications to Third Molars with Taurodontism to Prevent Paresthesia and Mandible Fracture

Mendes

Neiva

Brasileiro

et al. 2018

Case Reports in Dentistry

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Taurodontism is considered a dental anomaly responsible for a morphoanatomical change in the shape of the tooth in which the roots are reduced in size but the body of the tooth is enlarged and bulky. The aim of this paper is to present a case of a 25-year-old female patient with taurodontism of mandibular partially erupted third molars, presenting a high risk of angle fracture and paresthesia in case of their removal, treated by means of coronectomy. The postoperative period was uneventful and the patient remained in follow-up for 12 months. In conclusion, the identification of third molars with higher risk of complications related to their extractions is the key to consider conservative measures to avoid problems. Coronectomy is a relatively simple technique that should be taken into account when considering bulky, deeply located third molars with a high risk of paresthesia or mandibular fracture, even in presence of taurodontism.

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“…Bizim çalışmamızda ise taurodontizm varlığı, Stifman ve Chanannel tarafından geliştiril-miş, literatürde panoramik röntgenler üzerinde yapılan çalışmalarda güvenirliliği gösterilmiş, radyografi üzerinde ölçüme dayalı objektif bir yöntem kullanılarak, subjektif değerlendirmeyle oluşacak hata olasılığı minimuma indirilmiştir. 11,17 Etnik farklılıklar da göz önünde bulundurulduğunda, ça-lışma sonuçlarının kıyaslanmasının tam olarak gerçeği yansıtmayacağı kanısındayız.…”

Section: 13unclassified

“…2 Pulpa odasının apikale doğru yer değiştirme miktarı göz önünde bulundurularak taurodontizm dört grupta sınıflandırılmıştır; 5,11,12 1) Hipo-taurodont; pulpa odası köklere doğru hafif şekilde genişlemiştir, 2) Mezo-taurodont; pulpa odası oldukça geniş-lemiş ve kökler kısalmıştır, 3) Hiper-taurodont; pulpa odası neredeyse apekse yaklaşmış ve konkav şekilli apeks üzerinde hemen hemen dört kadar kanal vardır, 4) Piramidal; pulpa odası genişleyerek baştan sona kök içerisini doldurmuştur ve oldukça geniş bir apikal foramen mevcuttur. 12 Taurodontizmin, çürük veya dental prosedür-ler sırasında pulpa ekspozunu artırdığı bildirilmektedir.…”

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Prevalence of Taurodontism in First Permanent Molars of Children: Retrospective Study

Elbay¹,

Elbay²,

Kocasaraç³

et al. 2016

Turkiye Klinikleri J Dental Sci

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aurodontizm, dişlerde gözlenen anatomik varyasyonlardan olup, çok köklü dişlerde pulpa tabanı ve bifurkasyonun apikale doğru yer değiştirmesi ve bunun sonucu olarak da pulpa odasının genişlemesi şek- A An na ah ht ta ar r K Ke el li im me el le er r: : Taurodontizm; diş anomalileri; azı dişi; çocuk A AB BS ST TR RA AC CT T O Ob bj je ec ct ti iv ve e: : The goal of this study was to evaluate the prevalance of taurodontism and distribution based on the jaw and gender in children living in Kocaeli city and cities surrounding. M Ma at te er ri ia al l a an nd d M Me et th ho od ds s: : Diigital panaromic radiographs of 3.642 patients who were beetween 10-14 years old and applied to the Pediatric Dentistry Clinic of Kocaeli University Faculty of Dentistry between 2013-2015 were evaluated in terms of taurodontism according to "Stifman ve Chanannel's" criteria. The obtained data were statistically analyzed by Chi-Square test according to the gender and location of teeth. R Re es su ul lt ts s: : Taurodontism was detected in 81 of 3.642 patients with 149 taurodontic teeth. The prevalance of taurodontism was found as 2.22%. One hundred and fourty two children (95.3%) had hipotaurodontism and 7 (4,6%) children had mesotaurodontism. 42 patient (51.8%) with taurodontism were boys and 39 (48,1%) patient with taurodontism were girls. There was no statistically difference related to gender. Most common location of taurodontic teeth was maxillar region. C Co on nc cl lu us si io on n: : As a result of this study, prevalance of taurodontism in first permanent molar teeth was found relatively few in the children. However, to obtain exact belief, there was a need for data to be obtained from children in different regions of Turkey.

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Biometric Analysis – A Reliable Indicator for Diagnosing Taurodontism using Panoramic Radiographs

Cited by 10 publications

References 5 publications

Abnormal primary and permanent dentitions with ectodermal symptoms predict WNT10A deficiency

Abnormal primary and permanent dentitions with ectodermal symptoms predict WNT10A deficiency

Extending Coronectomy Indications to Third Molars with Taurodontism to Prevent Paresthesia and Mandible Fracture

Prevalence of Taurodontism in First Permanent Molars of Children: Retrospective Study

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