Incidence of cystic changes in impacted lower third molar

Tooth impaction is a pathological condition where a tooth fails to attain its normal functional position. The present study aims to highlight the phenotypic heterogeneity of impacted third molars in a Caucasian family, to investigate the characteristics of the dental phenotype, to evidence the diversity of dental phenotype, and to identify the inheritance mode of the condition. Detailed anamnesis, clinical examination, complementary tests (panoramic radiographs), family study and pedigree analysis. Phenotypic characteristics of impacted third molar tooth in our family case report was: Severe horizontal impaction of the mandibular right third molar, Angular impaction of the maxillary right third molar and angular impaction of the maxillary left third molar, Angular impaction of the mandibular left third molar and partial eruption of the maxillary right third molar, Horizontal impaction of the mandibular left third molar and Angular impaction of the mandibular left third molar. The inheritance mode of the impacted third molar tooth in the family case report was: from mother to both daughters' transmission, from mother to both sons' transmission, and from mother to daughter transmission. Family study and pedigree analysis are very important for illustrate the genetic basis of impacted teeth.

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“…The number of people reaching adult life with impacted third molars seems to be increasing to an epidemic extent [16].…”

Section: Discussionmentioning

confidence: 99%

Phenotypic heterogeneity of impacted third molar tooth: family case study

et al. 2019

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“…Se estandarizaron los diagnósticos determinándose que toda muestra que presente metaplasia escamosa del epitelio reducido del órgano del esmalte será considerado como cambio quístico temprano, esto según lo reportado en la literatura (Glosser & Campbell, 1999;Adelsperger et al, 2000;Baykul et al, 2005;Saravana et al, 2008;Kotrashetti, 2010;Wali et al, 2012;Adaki et al, 2013). Se evaluó, además, la presencia de calcificaciones distróficas, restos epiteliales, infiltrado inflamatorio, densidad del conectivo y espesor del tejido.…”

Section: Materials Y Métodounclassified

Hallazgos Histopatológicos del Tejido Pericoronario de Terceros Molares Incluidos Sanos

Parra

Ibaceta

2019

Int. J. Odontostomat.

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RESUMEN:Este estudio se realizó para evaluar la presentación de cambios histopatológicos tempranos en sacos pericoronarios de terceros molares incluidos sanos. Sesenta y un tejidos pericoronarios de terceros molares incluidos, clínicamente asintomáticos y sin evidencia radiográfica de anomalía del saco pericoronario, se extrajeron por diferentes razones. Las muestras se fijaron y procesaron de forma rutinaria y se tiñeron con hematoxilina-eosina antes de la evaluación. Se estandarizaron los diagnósticos concluyendo que toda muestra que presente metaplasia escamosa del epitelio reducido del órgano del esmalte (EEE) se considerará cambio quístico temprano. De las muestras presentadas, el 28 % mostró metaplasia escamosa sugerente de cambio quístico temprano. Esta variación histológica del tejido pericoronario fue significativamente mayor en los pacientes menores de 20 años de edad, sexo femenino, terceros molares mandibulares, en inclusión ósea y en pacientes que no informaron sintomatología local previa (P = 0,05). Estos hallazgos sugieren que la ausencia de semiología clínica y radiográfica en terceros molares incluidos no necesariamente indica ausencia de alteraciones en el tejido pericoronario de los mismos.PALABRAS CLAVE: tejido pericoronario, tercer molar, histopatología.

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“…The inclusion of the wisdom tooth can be the cause of a jaw fracture during a trauma, too. As the most common method of surgical treatment is odontectomy, surgical discovery is extremely rare [29][30][31].…”

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confidence: 99%

Dental Inclusion of Canine and Wisdom Tooth in Orthodontics Chemical Necroses

Budacu¹,

Ioanid²,

Romanec³

et al. 2018

Rev. Chim.

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Canine plays an important role in the dento-maxillary system. From a functional point of view, it provides the canine guidance, by positioning it in the frontal area, has a role in facial aesthetics. It plays an important prosthetic role by having the longest root and one of the longest arcade teeth. Three molars represent the last teeth that erupt in the arches both in the jaw and in the mandible, which is why they remain the most frequently included.Canine incidence is quite common following the wisdom tooth. It can be unilateral or bilateral and is more common in the upper jaw. The canine may remain included at the vestibular, palatal or between the two bones. A separate entity is the incision of the canine in the edentulous mandible or jaw. The study included 213 cases with dento-alveolar pathology, of which 128 patients were selected with dental inclusion. Our study reports that the first three molars are frequent, followed by the canine as opposed to other studies conducted by Guzduz K in 2011 and Fardi A of the same year bringing the canines first (Fardi, Guzduz). Some studies attribute the first place to the superior canine in terms of frequency, but they are abstracted from the molar three inclusion that they consider as most frequently (Compoy). The most common tooth in inclusion is the third molar (lower and upper) followed by the upper canine; the most commonly affected are women for both canine and molar.

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Incidence of cystic changes in impacted lower third molar

Abstract: Incidence of cystic changes in ILTM justifies extraction of the impacted tooth associated with symptoms. The decision to extract or not to extract impacted third molar should be individualized, rather than generalized.

Cited by 27 publications

References 21 publications

Phenotypic heterogeneity of impacted third molar tooth: family case study

Phenotypic heterogeneity of impacted third molar tooth: family case study

Hallazgos Histopatológicos del Tejido Pericoronario de Terceros Molares Incluidos Sanos

Dental Inclusion of Canine and Wisdom Tooth in Orthodontics Chemical Necroses

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