Prevalencia de las posiciones de terceros molares inferiores retenidos con relación a la clasificación de Pell &amp; Gregory.

Ribeiro, Eduardo Dias; Júnior, José Lacet de Lima; Barbosa, José Lucas; Haagsma, Ivonete Barreto; Lucena, Luciana Barbosa Sousa de

doi:10.22201/fo.1870199xp.2009.13.4.15559

Cited by 3 publications

(4 citation statements)

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“…In the females, out of a total of 97 mandibular third molars, 24.5% represent Class II and position A, while in the males, out of a total of 84 mandibular third molars, 23.9% represent the same classification. These results are similar to those of Dias-Ribeiro et al [3] who mention that the females had a higher prevalence in relation to the males, with a representativeness of 54% of the total sample, which has also been demonstrated by the majority of authors in the literature.…”

Section: Discussionsupporting

confidence: 91%

“…These results are similar to those obtained in other Latin American cities. In the study of Dias-Ribeiro et al [3]. whose objective was the position of retained lower third molars in patients seen in a Radiology Clinic in the city of Curitiba, Paraná, Brazil, applying the traditional classification of Pell & Gregory in patients aged 20 to 40 years, where the most frequent position was A, class II (43.43%), followed by position B, class II (39.73%).…”

Section: Discussionmentioning

confidence: 99%

“…In order to facilitate surgical planning, some classification systems for impacted or included mandibular third molars have been developed, which allow the anticipation of possible disorders and make it possible to foresee some modifications during the surgical act. These classifications were made on the basis of radiographic analysis and in the vast majority of cases, panoramic radiographs are used, where it is possible to correctly visualize the longitudinal axis of the second molar, the mandibular ramus and the bone level, which serve as parameters [3]. Class I.…”

Section: Introductionmentioning

confidence: 99%

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Prevalence of the position of mandibular third molars according to the Pell and Gregory classification of patients attending the faculty of dentistry of the University of Cuenca-Ecuador 2023

Danny Alexander Abril-Pesántez,

Samantha Nicole Calle-Calle,

Edisson Gonzalo Ojeda-Arechua

et al. 2023

World J. Adv. Res. Rev.

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Aim: Evaluate the frequency of position of the mandibular third molars according to the Pell and Gregory classification in patients who attended the clinic of the Faculty of Dentistry of the University of Cuenca-Ecuador, 2023. Materials and methods: According to data collection, the study was observational and descriptive. Obtaining the sample was non-probabilistic using the method for convenience, made up of 374 panoramic radiographs in an age range of 18 to 35 years,obtained from the database of the University of Cuenca of the Faculty of Dentistry, after having made a letter its dean. Results: Of a total of 748 mandibular third molars, there is a higher prevalence of class I position A with 41% (n=307), followed by class II position A with 24.2% (n=181) and class II position B with 14.2% (n=106) of the total. Conclusions: There is a high prevalence of the IA position in both sexes, however, the most frequent position of the impacted mandibular third molar was IIA followed by IIB.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Prevalence of the position of mandibular third molars according to the Pell and Gregory classification of patients attending the faculty of dentistry of the University of Cuenca-Ecuador 2023

Danny Alexander Abril-Pesántez,

Samantha Nicole Calle-Calle,

Edisson Gonzalo Ojeda-Arechua

et al. 2023

World J. Adv. Res. Rev.

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“…Días Ribeiro et al . 8 hicieron mención que se puede evaluar la posición de estas piezas según la relación del tercer molar al segundo molar, y también según Castañeda et al . 15 que encontraron en la mayoría de estas piezas retenidas en el maxilar estaban en posición distoangulada, mientras que en la mandíbula estas piezas estaban mesioanguladas.…”

Section: Discussionunclassified

Frecuencia de terceros molares retenidos con relación al biotipo facial. un estudio transversal

Rodríguez

2022

Rev Cient Odontol (Lima)

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Objetivo: Identificar la frecuencia de terceros molares retenidos con relacion al biotipo facial utilizando estudios 2D (panoramicos y cefalometricos) de pacientes que acudieron al centro de imagenes Zeta-Exmed en el periodo de noviembre de 2018 a diciembre de 2021, en la ciudad de Lima, Peru. Metodologia: El tipo de estudio de esta investigacion fue observacional, descriptivo, transversal y retrospectivo. Se evaluaron 6000 casos, cada uno compuesto de una imagen radiografica panoramica y una cefalometrica, ambas tomadas al paciente en la misma fecha, de las cuales solo fueron incluidos en la investigacion un total de 150 casos, por cumplir con los criterios de seleccion. Las mediciones sobre la frecuencia de terceros molares retenidos con relacion al biotipo facial se realizaron por un investigador entrenado y calibrado, utilizando el software Nemoceph para los trazados cefalometricos. Se utilizo para el analisis estadistico el programa SPSS version 1.0.0.1401 (SPSS Inc., EE. UU.) y la prueba chi cuadrado (p < 0,05). Resultados: De los 150 casos revisados, 91 correspondieron al sexo femenino (60,66%) y 59 al sexo masculino (39,33%), lo que dio como resultado que el biotipo dolicofacial se presento con mayor frecuencia en estos, con un total de 27 casos (45,80%), mientras que, en mujeres, el biotipo braquifacial fue el de mayor frecuencia, con un total de 35 casos (38,50%). Asimismo, del total de terceros molares retenidos evaluados (403 piezas), 141 se presentaron en casos con biotipo dolicofacial, seguido del biotipo mesofacial con 139 piezas y, finalmente, el biotipo braquifacial con 123 piezas. Respecto de la evaluacion de los terceros molares retenidos en relacion con su posición y biotipo facial, se encontro 63 3MR en posicion mesioangular y 28 en posicion distoangular en dolicofacial, seguidos de 48 piezas en posicion vertical en braquifacial. Conclusiones: No existe una relacion significativa entre la cantidad de terceros molares retenidos y su posicion, en relacion con el biotipo facial, pero si respecto a la relacion entre el sexo y el biotipo facial, pues los varones presentan un biotipo dolicofacial con mayor frecuencia y las mujeres el biotipo braquifacial.

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Prevalência de Inclinações e Profundidade de Terceiros Molares Inferiores, segundo as Classificações De Winter e De Pell & Gregory

Lisboa¹,

Gomes²,

Hasselman³

et al. 2012

Pesqui. bras. odontopediatria clín. integr.

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Panoramic radiographs are important for the evaluation and classification of the third molars position, allowing the diagnosis and planning of extraction. The objective of this study is to evaluate upper and lower third molars positions in panoramic radiographs with the classification methods proposed by Pell and Gregory (1933) and Winter (1926) and the subsequent comparison of results with other authors. Panoramic radiographs of 310 patients were analyzed, 197 female and 113 male, totaling 1,211 third molars. In relation to the upper third molars, the most prevalent positions were: angle compared to the long axis of the second molar of Distoangular form (53.23 %) and the depth of impaction as Class C (48.25 %). In the lower third molars, the most prevalent positions were: angle to the long axis of the second molar in Mesioangular classification (52.96 %), the depth of impaction was B (46.54 %) and the tooth relationship with the mandibular ramus was identified as class I (55.26 %). These results provide information that can be utilized in predicting third molar development in terms of impaction or eruption, assisting dental surgeons in making decisions regarding surgical planning and treatment.

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Prevalencia de las posiciones de terceros molares inferiores retenidos con relación a la clasificación de Pell & Gregory.

Cited by 3 publications

References 2 publications

Prevalence of the position of mandibular third molars according to the Pell and Gregory classification of patients attending the faculty of dentistry of the University of Cuenca-Ecuador 2023

Prevalence of the position of mandibular third molars according to the Pell and Gregory classification of patients attending the faculty of dentistry of the University of Cuenca-Ecuador 2023

Frecuencia de terceros molares retenidos con relación al biotipo facial. un estudio transversal

Prevalência de Inclinações e Profundidade de Terceiros Molares Inferiores, segundo as Classificações De Winter e De Pell & Gregory

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