Low-dose protocol of the spiral CT in orthodontics: comparative evaluation of entrance skin dose with traditional X-ray techniques.
Prog Orthod
; 14: 24, 2013 Sep 10.
Article
en En
| MEDLINE
| ID: mdl-24325970
BACKGROUND: The aim of this study was to evaluate the amount of radiation doses absorbed by soft tissues (entrance skin dose) with a low-dose spiral computed tomography (CT) protocol compared to conventional X-ray techniques commonly used in orthodontics. METHODS: The amount of skin dose has been evaluated using a tissue-equivalent head-neck radiotherapy humanoid phantom with thermoluminescent dosimeters placed at the level of eye lens, parotid glands, and thyroid glands. CT images have been taken using a Sensation 16 Siemens CT scan and a low-dose protocol (15 mAs, 1 pitch, 2.5 mGy (CTDIvol), 80 kV, 1-mm slice thickness). RESULTS: The difference in image quality between traditional X-ray techniques and low-dose spiral CT was statistically significant (P<0.05). The difference in mean absorbed dose instead was not statistically significant. CONCLUSIONS: Our protocol allows a more accurate orthodontic diagnosis without an increase of radiological risk for the patients in comparison to traditional X-ray techniques.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Ortodoncia Correctiva
/
Dosis de Radiación
/
Piel
/
Radiografía Dental
/
Tomografía Computarizada Espiral
Tipo de estudio:
Guideline
Límite:
Humans
Idioma:
En
Revista:
Prog Orthod
Asunto de la revista:
ODONTOLOGIA
Año:
2013
Tipo del documento:
Article
País de afiliación:
Italia
Pais de publicación:
Alemania