The Evaluation of Effect of Developer Age in the Detection of Approximal Caries Using Three Speed Dental X-Ray Films: An In-Vitro Study
Background and Objectives: Ever since the first radiograph was taken in 1895, radiographs have become an essential part of dental practice. Since radiation exposure for the patients is a major concern, it is important for us to reduce the radiation exposure to the patient and surrounding environment...
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Published in | Journal of clinical and diagnostic research Vol. 8; no. 3; pp. 236 - 239 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Delhi, India
JCDR Research and Publications (P) Limited
01.03.2014
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Subjects | |
Online Access | Get full text |
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Abstract | Background and Objectives:
Ever since the first radiograph was taken in 1895, radiographs have become an essential part of dental practice. Since radiation exposure for the patients is a major concern, it is important for us to reduce the radiation exposure to the patient and surrounding environment, without compromising the quality of image. Since improper film processing is one of the major causes of poor image quality, it is very important to test dental films under a variety of processing conditions. So this study was conducted to compare the diagnostic accuracy between Kodak Ultraspeed, Ektaspeed and Agfa Dentus M2 Comfort films for the detection of approximal caries in fresh as well as in aged processing solution.
Methods:
Hundred extracted unrestored maxillary and mandibular teeth were aligned in a group of five teeth in each plaster model. Total of 20 plaster models were constructed and only 3 teeth in the middle were utilized for the study. The final sample consisted of 60 teeth in the study. The exposure time for Ultraspeed film was standardized at 0.5 seconds and for Ektaspeed and Agfa Dentus M2 films, the exposure time was 0.32 seconds. For each radiograph two blocks were used simulating bitewing radiograph. All 20 plaster blocks were exposed using three film types at standardized exposure timings with 30 radiographs each week. The procedure was repeated every week until 6 weeks. Radiographs were evaluated by an observer and assessed by following four point scale 0- sound tooth, 1- lesion in enamel, 2- lesion in amelodentinal junction, 3- dentinal lesion. Only distal surfaces were assessed. Thereafter all the teeth were subjected for histological study and actual depth of the lesion was recorded which acted as gold standard and this reading was subtracted in observer readings after radiographic examination. All data collected were analyzed statistically using ANOVA, paired and unpaired t-tests.
Results:
Ektaspeed and Agfa films required less exposure compared to Ultraspeed film. With respect to film, all films had equal diagnostic accuracy upto three weeks. From fourth week Ultraspeed and Agfa films were considerably better than E speed film. E speed film was inferior in the depleted solution compared to other two solutions. With respect to lesion detection Agfa film was inferior to other two films.
Conclusion:
All three films had equal diagnostic accuracy in fresh solution. Considering the significant reduction in patient radiation with Ektaspeed film, this should be the film of choice whenever possible. As far as the diagnosis of approximal caries is concerned processing solutions should not be used longer than 3 weeks. |
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AbstractList | Background and Objectives:
Ever since the first radiograph was taken in 1895, radiographs have become an essential part of dental practice. Since radiation exposure for the patients is a major concern, it is important for us to reduce the radiation exposure to the patient and surrounding environment, without compromising the quality of image. Since improper film processing is one of the major causes of poor image quality, it is very important to test dental films under a variety of processing conditions. So this study was conducted to compare the diagnostic accuracy between Kodak Ultraspeed, Ektaspeed and Agfa Dentus M2 Comfort films for the detection of approximal caries in fresh as well as in aged processing solution.
Methods:
Hundred extracted unrestored maxillary and mandibular teeth were aligned in a group of five teeth in each plaster model. Total of 20 plaster models were constructed and only 3 teeth in the middle were utilized for the study. The final sample consisted of 60 teeth in the study. The exposure time for Ultraspeed film was standardized at 0.5 seconds and for Ektaspeed and Agfa Dentus M2 films, the exposure time was 0.32 seconds. For each radiograph two blocks were used simulating bitewing radiograph. All 20 plaster blocks were exposed using three film types at standardized exposure timings with 30 radiographs each week. The procedure was repeated every week until 6 weeks. Radiographs were evaluated by an observer and assessed by following four point scale 0- sound tooth, 1- lesion in enamel, 2- lesion in amelodentinal junction, 3- dentinal lesion. Only distal surfaces were assessed. Thereafter all the teeth were subjected for histological study and actual depth of the lesion was recorded which acted as gold standard and this reading was subtracted in observer readings after radiographic examination. All data collected were analyzed statistically using ANOVA, paired and unpaired t-tests.
Results:
Ektaspeed and Agfa films required less exposure compared to Ultraspeed film. With respect to film, all films had equal diagnostic accuracy upto three weeks. From fourth week Ultraspeed and Agfa films were considerably better than E speed film. E speed film was inferior in the depleted solution compared to other two solutions. With respect to lesion detection Agfa film was inferior to other two films.
Conclusion:
All three films had equal diagnostic accuracy in fresh solution. Considering the significant reduction in patient radiation with Ektaspeed film, this should be the film of choice whenever possible. As far as the diagnosis of approximal caries is concerned processing solutions should not be used longer than 3 weeks. |
Author | Madalli, Vijaylaxmi B Basavaraddi, Shrinivas M Annigeri, Rajeshwari G |
AuthorAffiliation | 2 Professor and Head, Department of Oral Medicine and Radiology, College of Dental Sciences , Davangere, India 3 Reader, Department of Orthodontics and Dentofacial Orthopaedics, SDM College of Dental Sciences , Sattur, Dharwad, India 1 Assistant Professor, Department of Oral Medicine and Radiology, SDM College of Dental sciences , Sattur, Dharwad, India |
AuthorAffiliation_xml | – name: 1 Assistant Professor, Department of Oral Medicine and Radiology, SDM College of Dental sciences , Sattur, Dharwad, India – name: 3 Reader, Department of Orthodontics and Dentofacial Orthopaedics, SDM College of Dental Sciences , Sattur, Dharwad, India – name: 2 Professor and Head, Department of Oral Medicine and Radiology, College of Dental Sciences , Davangere, India |
Author_xml | – sequence: 1 givenname: Vijaylaxmi B surname: Madalli fullname: Madalli, Vijaylaxmi B email: drvijaylaxmi@yahoo.co.in organization: Assistant Professor, Department of Oral Medicine and Radiology, , . Professor and Head, Department of Oral Medicine and Radiology, , . Reader, Department of Orthodontics and Dentofacial Orthopaedics – sequence: 2 givenname: Rajeshwari G surname: Annigeri fullname: Annigeri, Rajeshwari G organization: Assistant Professor, Department of Oral Medicine and Radiology, , . Professor and Head, Department of Oral Medicine and Radiology, , . Reader, Department of Orthodontics and Dentofacial Orthopaedics – sequence: 3 givenname: Shrinivas M surname: Basavaraddi fullname: Basavaraddi, Shrinivas M organization: Assistant Professor, Department of Oral Medicine and Radiology, , . Professor and Head, Department of Oral Medicine and Radiology, , . Reader, Department of Orthodontics and Dentofacial Orthopaedics |
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Snippet | Background and Objectives:
Ever since the first radiograph was taken in 1895, radiographs have become an essential part of dental practice. Since radiation... |
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SubjectTerms | Dentistry |
Title | The Evaluation of Effect of Developer Age in the Detection of Approximal Caries Using Three Speed Dental X-Ray Films: An In-Vitro Study |
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