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The cracked tooth: histopathologic and histobacteriologic aspects.

Domenico Ricucci1, José F Siqueira2, Simona Loghin1

  • 1Private Practice, Cetraro, Italy.

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Tooth cracks, often colonized by bacteria, significantly impact surrounding tissues. Pulp inflammation and necrosis result from cracks extending into the dentin or pulp, influencing treatment decisions.

Keywords:
Bacterial biofilmcracked teethdentinpulp inflammationtooth fracture

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Area of Science:

  • Dental science
  • Oral pathology

Background:

  • Understanding crack propagation and its effects on tooth tissues is crucial for diagnosis and treatment planning.
  • This study investigates the dentin and pulp conditions in teeth with cracks and severe attrition.

Purpose of the Study:

  • To evaluate the histopathological and histobacteriological conditions of dentin and pulp in cracked teeth and teeth with severe attrition.
  • To correlate crack characteristics with pulpal tissue response.

Main Methods:

  • Histopathological and histobacteriological analyses were performed on 12 cracked teeth and 8 teeth with severe attrition.
  • Specimens were extracted teeth obtained from a private practice.

Main Results:

  • All analyzed cracks were colonized by bacterial biofilms, with bacteria invading dentinal tubules.
  • Cracks extending into the dentin or pulp led to significant pulpal inflammation, ranging from acute inflammation to necrosis.
  • Pulpal inflammation severity correlated with the crack's location, direction, and extent.

Conclusions:

  • Tooth cracks are consistently colonized by bacterial biofilms.
  • The pulpal tissue response to cracks is variable and depends on the crack's characteristics.