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Questions and Answers
Which technique involves positioning the film parallel to the long axis of the tooth under investigation?
Which technique involves positioning the film parallel to the long axis of the tooth under investigation?
- Occlusal film projection
- Parallel technique (correct)
- Film placement technique
- Bisecting technique
Which technique is based on the principle of aiming?
Which technique is based on the principle of aiming?
- Film placement technique
- Parallel technique
- Bisecting technique (correct)
- Occlusal film projection
What are the indications for periapical radiographic techniques?
What are the indications for periapical radiographic techniques?
- Detection of apical infection
- Assessment of periodontal status after trauma to the teeth and alveolar bone
- Assessment of presence and position of unerupted teeth
- All of the above (correct)
What is the purpose of periapical radiographic techniques during endodontic procedures?
What is the purpose of periapical radiographic techniques during endodontic procedures?
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What are the two techniques for periapical radiographs?
What are the two techniques for periapical radiographs?
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Study Notes
Radiographic Techniques
- Parallel Technique: Involves placing the film parallel to the long axis of the tooth being examined to obtain accurate images.
- Aiming Principle Technique: Based on directing the X-ray beam along the line of the film and the tooth, ensuring proper angulation to minimize distortion.
Indications for Periapical Radiographic Techniques
- Assessing the health of periapical tissues and identifying diseases such as cysts, abscesses, or tumors.
- Evaluating dental anatomy and detecting caries, fractures, and periodontal disease.
- Planning and monitoring endodontic treatments and the effectiveness of interventions.
Purpose of Periapical Radiographic Techniques in Endodontics
- Crucial for diagnosing the extent of root canal infection and guiding treatment.
- Aids in determining root canal morphology and the position of the canal length.
- Helps in verifying the results of endodontic therapy, ensuring complete resolution of infection.
Techniques for Periapical Radiographs
- Paralleling Technique: Utilizes a beam alignment device to keep the film parallel to the tooth, reducing distortion and enhancing detail.
- Bisection of the Angle Technique: The film is positioned based on the angle bisector between the long axis of the tooth and the plane of the film, used when the parallel technique is not feasible.
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