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| Bestimmung der Arbeitslänge im Wurzelkanal× | Bitewing-Radiographie× | |
|---|---|---|
| Fachgebiet | Zahnmedizin | Zahnmedizin |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 1920s (radiography); 1960s (electronic) | 1913 (original technique) |
| Urheber≠ | Multiple innovators (radiographic and electronic methods) | Multiple innovators, formalized in 20th century |
| Typ≠ | Diagnostic and measurement procedure | Radiographic examination |
| Wegweisende Quelle≠ | Ingle, J. I., Bakland, L. K., & Baumgartner, J. C. (2008). Endodontics (6th ed.). BC Decker. link ↗ | Ludlow, J. B., Davies-Ludlow, L. E., Brooks, S. L., & Howerton, W. B. (2006). Dosimetry of 3 intraoral digital imaging systems. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology, 101(2), 226-234. link ↗ |
| Aliasnamen≠ | working length measurement, WL determination, electronic apical locator, periapical radiography | bitewing X-ray, bitewings, posterior radiography |
| Verwandt≠ | 3 | 4 |
| Zusammenfassung≠ | Root canal length determination (working length) is a critical procedural step in endodontic therapy that establishes the precise depth to which instrumentation, irrigation, and obturation should extend within the root canal system. Modern approaches combine electronic apical locators (EAL) with radiographic verification to accurately locate the apical foramen and establish the working length. Accurate working length determination is essential for successful endodontic treatment, preventing under-instrumentation (leaving infected material) and over-instrumentation (causing periapical inflammation). | Bitewing radiography is a standard intraoral radiographic technique that captures the coronal portions of both maxillary and mandibular teeth in a single image, with the patient biting on a film holder or digital sensor. Introduced in the early 20th century and formalized as a diagnostic standard, bitewing radiographs are the primary image type for detecting approximal caries, monitoring alveolar bone level for periodontal disease assessment, and evaluating dental restorations and radiographic density changes. Digital bitewings have reduced radiation exposure and improved image quality and archiving. |
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