What is the most common cause of vertical root fractures?

Get ready for the American Board of General Dentistry Exam. Use flashcards, multiple choice questions, hints, and explanations for thorough preparation. Excel in your exam!

The most common cause of vertical root fractures is associated with iatrogenic dentistry. This type of fracture often occurs due to dental procedures that inadvertently create stress or structural weakness in the tooth. For instance, excessive force during tooth preparation, over-elongation of the crown, or inappropriate placement of materials can weaken the root structure, making it more susceptible to fracturing.

Iatrogenic factors can include the use of incorrect techniques or tools during procedures like root canal therapy or crown preparations. These actions may exacerbate existing weaknesses in the tooth, making it easier for a vertical fracture to develop, especially under normal functional pressures.

Other potential causes such as occlusal prematurities, parafunctional activities, and physical trauma can certainly contribute to vertical root fractures; however, the most significant and common contributor in a clinical setting tends to stem from human intervention during dental treatment. This highlights the importance of proper techniques and caution during dental procedures to minimize risks of such fractures.

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