Which of the following is NOT a characteristic of the straight fissure bur-plain cut?

The straight fissure bur is characterized primarily by its specific design, which includes having parallel sides and being used for certain types of cavity preparation. This design allows it to create precise cuts within the tooth structure, making it particularly effective for certain restorative procedures.

The straight fissure bur does not have angled edges; instead, its edges are typically straight and parallel. This feature enables the bur to perform its function effectively in cutting and shaping the tooth material without introducing unnecessary angles that could complicate the cavity preparation.

Understanding the attributes of different burs, including the straight fissure bur, is crucial for dental professionals as it influences the technique and outcome of restorative procedures. Recognizing that angled edges do not belong to the straight fissure bur helps in distinguishing it from other types of burs, which may have different shapes and functionalities.