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Clinical preconditions and treatment modality: effects on pulp surgery outcome.

Authors
  • Dang, J
  • Wilder-Smith, P
  • Peavy, GM
Publication Date
Jan 01, 1998
Source
eScholarship - University of California
Keywords
License
Unknown
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Abstract

BackgroundThe purpose of this research was to evaluate the factors affecting the outcome of localized laser pulp surgery in the canine model.Study design/materials and methodsPulpal exposures 2 mm and 5 mm in diameter were prepared in eight healthy teeth in each of five dogs. The total of 40 teeth were left open to infection from the oral cavity for 3 hours or 72 hours; 2-3 mm of surface pulpal tissue were then removed using a fresh diamond bur or a CO2 laser [email protected] microns, at 3.5 W average power in the Superpulse mode. Teeth were monitored clinically and radiographically by one blinded, pre-standardized clinician for 3 months.ResultsChi-square test and Fisher's Exact test (2-tail) results associated laser treatment with significantly better clinical and radiographic outcome (P < 0.001). Using regression analysis, duration of pulpal exposure to contamination by the oral environment was identified as primary determinant for treatment outcome within the laser-treated and control groups (P = 0.0018).ConclusionClinical preconditions significantly affect the outcome of pulp surgery treatments.

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