Cracked tooth, craze line, vertical root fracture?

Craze line – differentiated from cracks via trans-illumination
Fractured cusp
Cracked tooth – differentiated from last two via wedge test.

  1. The long-term prognosis for a cracked tooth is better when no crack is visible or the crack does not extend to the chamberfloor and the tooth is rendered pain free by banding or the placement of a temporary crown.
  2. One 2006 study evaluated a small number (n=50) of root-filled cracked teeth with a diagnosis of irreversible pulpitis and determined a two-year survival rate of 85.5 percent. This study indicated that the only significant prognostic factors were teeth with multiple cracks, terminal teeth in the arch and pre-root filling pocketing.

Split tooth
Vertical root fracture

AAE source

Bryan Bauer, DDS, FAGD

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