Morphometric analysis of prognathic and non-prognathic mandibles in relation to BSSO sites using CBCT

PurposeThe aim of this study was to compare the location and the shape of the mandibular lingula in skeletal class I and III patients using panoramic radiography and cone-beam computed tomography.Materials and MethodsThe sample group included 190 skeletal class I patients and 157 class III patients. The location of the lingula in relation to the deepest point of the coronoid notch was classified into 3 types using panoramic radiographs. The shapes of the lingulae were classified into nodular, triangular, truncated, or assimilated types using cone-beam computed tomographic images. The data were analyzed using the chi-square test.ResultsThe tips of the lingulae were at the same level as the coronoid notch in 75.3% of skeletal class I patients and above the coronoid notch in 66.6% of class III patients. The positions of the lingulae in relation to the deepest point of the coronoid notch showed statistically significant differences between class I and class III patients. The most common shape was nodular, and the least common was the assimilated shape. Although this trend was not statistically significant, the triangular shape was more frequently observed in class III patients than in class I patients.ConclusionThe locations and the shapes of the mandibular lingulae were variable. Most of the lingulae were at the same level as the coronoid notch in skeletal class I patients and above the coronoid notch in skeletal class III patients. The nodular and assimilated-shaped lingulae were the most and the least prevalent, respectively.

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“…Prognathic mandibles generally had a lingula that was positioned higher than the coronoid notch, which is consistent with a previous study. 16 …”

Section: Discussionmentioning

confidence: 99%

“… 11 Prognathic mandibles generally have a lingula that is positioned higher than the coronoid notch, making it more difficult for the operator to insert the needle at the correct height. 16 …”

Section: Introductionmentioning

confidence: 99%

Location and shape of the mandibular lingula: Comparison of skeletal class I and class III patients using panoramic radiography and cone-beam computed tomography

Jung

Hwang

2018

Imaging Sci Dent

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“…The location of the lingula varies significantly with the skeletal pattern. Prognathic mandibles have a lingula that is located more posterior and superior than nonprognathic mandibles [2,22]. Jung et al…”

Section: Location Of the Mandibular Lingulamentioning

confidence: 99%

Anatomical review of the mandibular lingula for inferior alveolar nerve block

Choi

Hur

2021

Folia Morphol

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“…Em nosso trabalho, realizamos o estudo tomográfico bilateral da mandíbula operada de 30 pacientes, totalizando 60 osteotomias sagitais de mandíbula do tipo lingual short Split, de acordo com a descrição e protocolo cirúrgico de Santana (SANTANA et al, 2017). O estudo foi conduzido seguindo os trabalhos de Muto et al (2012) e Plooij et al (2009, bem como a metodologia de estudos tomográficos destes e de outros autores (DREISEIDLER et al, 2016;LLOYD et al, 2011;MUTO et al, 2012;PLOOIJ et al, 2009;SUSARLA et al, 2020;TENGKU SHAERAN et al, 2017;VALLS-ONTANÓN et al, 2020). Realizamos também a análise qui quadrado, com a finalidade de observar se os desenhos encontrados apresentavam uma diferença estatisticamente importante.…”

Section: 33%unclassified

Avaliação tomográfica pós cirurgia ortognática de mandíbula: técnica lingual short split

Souza¹

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A minha esposa Luciana, pela parceria de vida, pela divisão de todos os momentos, pelos nossos filhos, mas principalmente pelo amor, companheirismo e incentivo nos momentos de cansaço e dúvidas.Aos meus filhos, pela alegria que me proporcionam e por me ajudarem a entender que sou um exemplo para eles.Ao meu orientador e amigo, Prof. Eduardo Sant'Ana, pela amizade, pelas discussões de casos e conversas, pela formatação da técnica lingual short Split, por me ensinar e aperfeiçoar meus caminhos na cirurgia ortognáticas e pela oportunidade de realizar o sonho do doutorado.A DEUS, pois sem ele nada seria possível.

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Morphometric analysis of prognathic and non-prognathic mandibles in relation to BSSO sites using CBCT

Abstract: Morphology of mandible in patients with mandibular prognathism (MP) was significantly different from patients without mandibular prognathism (WMP) for most of the parameters. The high risk parameters may be highlighted to the patients using cone beam computed tomography images.

Cited by 18 publications

References 16 publications

Location and shape of the mandibular lingula: Comparison of skeletal class I and class III patients using panoramic radiography and cone-beam computed tomography

Location and shape of the mandibular lingula: Comparison of skeletal class I and class III patients using panoramic radiography and cone-beam computed tomography

Anatomical review of the mandibular lingula for inferior alveolar nerve block

Avaliação tomográfica pós cirurgia ortognática de mandíbula: técnica lingual short split

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