DOSIMETRIC EVALUATION OF DENTAL IMPLANT PLANNING EXAMINATIONS WITH CONE-BEAM COMPUTED TOMOGRAPHY

被引：4

作者：

Andrade, Marcos E. A. ^{[1
]}

Khoury, Helen J. ^{[1
]}

Nascimento Neto, Joao B. S. ^{[2
]}

Kramer, Richard ^{[1
]}

机构：

[1] Univ Fed Pernambuco DEN UFPE, Dept Nucl Engn, BR-50740540 Recife, PE, Brazil

[2] Univ Pernambuco FOP UPE, Fac Odontol Pernambuco, BR-54753020 Camaragibe, PE, Brazil

来源：

RADIATION PROTECTION DOSIMETRY | 2014年 / 158卷 / 02期

关键词：

CT; DEVICES;

D O I：

10.1093/rpd/nct211

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The aim of this work was to perform a dosimetric evaluation of two cone-beam computed tomography scanners. The study was performed with two scanners: i-CAT classic and PreXion 3D. Air kerma-area product (P-KA) was measured for all full-arch dental implant planning protocols. Surface air kerma was also estimated at the region of the eyes, salivary glands and thyroid using thermoluminescence dosemeters positioned on an anthropomorphic phantom. The P-KA values for the i-CAT classic ranged from 24 to 180 mu Gy m(2) and, for the PreXion, from 70 to 138 mu Gy m(2). The large variation of these values was mainly caused by acquisition time and field of views. The surface air kerma values were from 0.08 to 3.39 mGy at the eyes, 0.50 to 3.96 mGy at the parotids, 0.11 to 2.95 mGy at the submandibular glands and 0.05 to 1.32 mGy at the thyroid. These values are comparable with those found in the literature.

引用

页码：175 / 180

页数：6

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