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|Type:||Artigo de periódico|
|Title:||Determination of the length of zygomatic implants through computed tomography: establishing a protocol|
de Almeida, SM
|Abstract:||Objectives: The aim or this study was to establish and verify ail examination protocol using CT to estimate the length of zygomatic implants, thus rendering the Surgical process safer and more predictable, and exposing the patient to a minimal level of radiation. Methods: Paracoronal CT scan was carried Out Oil ten dry human crania (n = 20) and the zygomatic implant sites were measured (L(CT)) bilaterally. A standard Surgical zygomatic implant placement procedure wits carried Out and the actual lengths and clinical lengths (L(Clin)) determined. Results: The averages of the L(CT), L(Clin) and L(Real) were 45.73 +/- 4.82 mm, 42.63 +/- 4.33 mm, and 44.73 +/- 4.53 mm, respectively. Student's t-test revealed no statistically significant differences between the L(Real) and L(CT) averages (P = 0.1532), whereas the L(Real) and L(Clin) averages were statistically different (P < 0.0001). Conclusions: The proposed protocol proved to be precise and efficacious ill the determination of zygomatic implant length, with the advantage to the patient of a relatively low level of exposure to radiation due to the small quantity of tomographic slices used. Although there were no major repercussions, the clinical probe in the zygomatic implant kit commonly used in this surgical procedure proved to be a rather imprecise tool.|
|Editor:||British Inst Radiology|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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