scholarly journals Estimating the radiation surface dose and measuring the dose area product to provide the diagnostic reference level in panoramic radiography

2021 ◽  
Vol 19 (4) ◽  
pp. 963-970
Author(s):  
H. Zamani ◽  
A.A. Parach ◽  
S.H. Razavi ◽  
M. Shabani ◽  
Gh. Ataei ◽  
...  
Keyword(s):  
Panoramic Radiography ◽  
Reference Level ◽  
Surface Dose ◽  
Diagnostic Reference Level ◽  
Dose Area Product ◽  
Area Product

scholarly journals Effective doses from panoramic radiography and CBCT (cone beam CT) using dose area product (DAP) in dentistry

2014 ◽  
Vol 43 (5) ◽  
pp. 20130439 ◽  
Author(s):  
H S Shin ◽  
K C Nam ◽  
H Park ◽  
H U Choi ◽  
H Y Kim ◽  
...  
Keyword(s):  
Panoramic Radiography ◽  
Cone Beam Ct ◽  
Cone Beam ◽  
Dose Area Product ◽  
Effective Doses ◽  
Area Product

scholarly journals ESTIMATION OF ENTRANCE SURFACE DOSE (ESD) AS A DOSE PROFILE FOR PATIENTS UNDERGOING RADIOGRAPHY EXAMINATION BASED ON TUBE OUTPUT MEASUREMENT

2020 ◽  
Vol 4 (2) ◽  
pp. 72
Author(s):  
Risalatul Latifah ◽  
Muhammad Rosyid ◽  
Firdy Yuana ◽  
Achmad Hidayat
Keyword(s):  
Medical Imaging ◽  
Radiation Exposure ◽  
Reference Level ◽  
Surface Dose ◽  
Diagnostic Reference Level ◽  
Output Measurement ◽  
X Ray ◽  
Dose Profile ◽  
Entrance Surface Dose ◽  
Tube Output

Background: Radiography examinations are the most widely used and indispensable tools in medical imaging. The dose received by the patient should be known to prevent the risk of radiation exposure. Patient dose in radiography examination can be best estimated in terms of entrance surface dose (ESD). ESD value can be obtained by using the recorded dose viewer installed on the device. However,  not all devices have this feature. Other methods can be conducted using thermoluminescence dosimeter (TLD) although it practically requires a high cost. Purpose: The study aims to estimate the ESD as a dose profile for patients undergoing radiography examination using tube output. Method: The patient data and exposure factors were retrospectively recorded for 263 patients. The ESD was estimated from the measurements of the X-ray tube output and recorded exposure factors.  Results: The ESD value varied from 0.002 to 0.41 mGy. In the thorax PA, thorax LAT, cervical LAT, cervical AP, skull AP, skull LAT, genu LAT and waters was found (0,23±0.05) mGy, (0,09±0,05) mGy, (0,07±0,04) mGy, (0,13±0,08) mGy, (0,03±0,01) mGy, (0,06±0,02) mGy, (0,04±0,00) mGy (0,04±0,02) mGy, respectively. These results were further used to determine the Local Diagnostic Reference Level (LDRL) value. Conclusion:  The results revealed that LDRL fell below the national DRL value and international reference

Intraoral and dental panoramic imaging: A diagnostic reference level study comparing radiation dose using two dosimeters in Saudi Arabia

2022 ◽  
Author(s):  
M.K. Saeed ◽  
A.A.M. Asiri ◽  
Q.S. Alhamami ◽  
K. Alshamrani
Keyword(s):  
Saudi Arabia ◽  
Mean Value ◽  
Public Hospitals ◽  
Adult Patients ◽  
Reference Level ◽  
Dose Area Product ◽  
The Public ◽  
Panoramic Imaging ◽  
Lower Jaw ◽  
Area Product

The purpose of this study was to determine local diagnostic reference levels (DRLs) for patients undergoing intraoral and panoramic dental examinations at the intraoral radiology units of the public hospitals in Najran, Saudi Arabia. DRLs were determined based on measurements of dose area product (DAP) at intraoral and dental panoramic radiology units. This study has covered over 47% of the public hospitals in Najran with the intention to establish the local DRLs for all the possible intraoral and panoramic X-ray examinations for children and adults. For intraoral, the values for the estimated DAP ranged from 6 to 70 mGy.cm2 (average: 27.6, 29.8, 39.9 and 39.6 mGy.cm2 for incisive, both premolar and canine, molar upper and lower jaw, respectively). For panoramic, the mean value of DAP is 61.5 and 89.8 mGy.cm2 for paediatric and adult patients, respectively. DRLs were established at the 3rd quartile for incisive, both premolar and canine, molar upper and lower jaw protocols are 29.2, 37.1, 50.2 and 50.1 mGy.cm2, respectively. Furthermore, DRLs for panoramic radiography for paediatric and adult patients are 72.7 and 92.3 mGy.cm2, respectively. The proposed DRLs were comparable to those previously reported in other countries, such as UK and India.

INTRAORAL DENTAL X-RAY RADIOGRAPHY IN BOSNIA AND HERZEGOVINA: STUDY FOR REVISING DIAGNOSTIC REFERENCE LEVEL VALUE

2020 ◽  
Vol 190 (1) ◽  
pp. 90-99
Author(s):  
Jovica Praskalo ◽  
Adnan Beganović ◽  
Jovana Milanović ◽  
Koviljka Stanković
Keyword(s):  
Bosnia And Herzegovina ◽  
Digital Image ◽  
Reference Level ◽  
Diagnostic Reference Level ◽  
X Ray ◽  
The Third ◽  
Air Kerma ◽  
Dental Procedures ◽  
Maxilla And Mandible ◽  
Area Product

Abstract This paper presents the study that would allow a revision of the currently valid diagnostic reference level in intraoral dental X-ray radiography in Bosnia and Herzegovina. The study was conducted for six procedures that are used to capture incisor, premolar and molar teeth, of both maxilla and mandible, in adults. Measurements were performed on 41 intraoral X-ray devices, 20 of which were systems with digital image receptor and 21 film-based X-ray systems. In this study, incident air kerma (Ki) and air kerma-area product (PKA) were used as patient dose descriptors. The third quartile (Q3) of the measured incident air-kerma values was used to compare with the current national diagnostic reference level (DRL) for intraoral dental procedures. The obtained results of Q3 for both types of devices, with film-based and digital image receptors, have shown that the third quartile values are lower (3.5 and 1.2 mGy, respectively) than the current national DRL (7.0 mGy). Hence, new data can be used to re-establish the diagnostic reference levels in intraoral dental X-ray examinations in Bosnia and Herzegovina.

Sign in / Sign up

Export Citation Format

Share Document