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Distance of the alveolar antral artery from the alveolar crest. Related factors and surgical considerations in sinus floor elevation

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Distance of the alveolar antral artery from the alveolar crest. Related factors and surgical considerations in sinus floor elevation

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dc.contributor.author Varela Centelles, Pablo Ignacio es
dc.contributor.author Loira Gago, María es
dc.contributor.author González Mosquera, Antonio es
dc.contributor.author Seoane Romero, Juan M. es
dc.contributor.author García Martín, J.M. es
dc.contributor.author Seoane Lestón, Juan Manuel es
dc.date.accessioned 2017-07-21T10:17:19Z
dc.date.available 2017-07-21T10:17:19Z
dc.date.issued 2016 es
dc.identifier.citation Varela Centelles, Pablo Ignacio ; Loira Gago, María ; González Mosquera, Antonio ; Seoane Romero, Juan M. ; García Martín, J.M. ; Seoane Lestón, Juan Manuel. Distance of the alveolar antral artery from the alveolar crest. Related factors and surgical considerations in sinus floor elevation. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 21 6 2016: 9- es
dc.identifier.uri http://hdl.handle.net/10550/59786
dc.description.abstract In a variable proportion of maxillary sinuses alveolar antral artery is located close to the residual ridge, increasing the chances for haemorrhagic complications during sinus floor elevation procedures. Retrospective observational study of CBCT explorations performed for implant-treatment planning. The upper first molar area was selected for this study. The relative uncertainty (standard deviation of the measurement divided by its mean and expressed as a percentage from 0% to 100%) was chosen for determining the observational errors. For modeling the chances of AAA detection, the generalized additive models (GAM) approach was chosen. A total of 240 maxillary sinuses were studied (46.25% males) whose median median age was 58 years old (IQR: 52-66). Univariate models showed that the chances for an AAA-alvelar crest distance ?15mm increase in wider sinuses with lower, subsinusally edentulous crests. When distance is considered as a continuous variable, the best mutivariate model showed an explained deviance of 67% and included AAA diameter, distance AAA-sinus floor, sinus width, and shape, height and width of the residual ridge. Thinner AAAs are found closer to the crest (within the ?15mm safe distance). Bearing in mind the inclusion criteria and the limitations of this investigation, it is concluded that there is a high proportion of maxillary sinuses where AAA describes a course close to the alveolar crest (?15mm), which was classically considered a safe distance for SFE. This position is related to the presence of atrophic crests (depressed ridge form) and wide maxillary sinuses where the distance of the vessel to the floor of the sinus is small. This information may permit a better surgical planning of SFE procedures. es
dc.title Distance of the alveolar antral artery from the alveolar crest. Related factors and surgical considerations in sinus floor elevation es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/medoral.21475 es
dc.type.hasVersion VoR es_ES

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