—Order, Supreme Court, New York County (Bruce McM. Wright, J.), entered on February 7, 1990, which, after nonjury trial, inter alia, dismissed plaintiff’s complaint, unanimously affirmed, without costs.
Plaintiff, a professional corporation engaged in the practice and operation of a dental office in Manhattan, commenced the underlying action seeking a permanent injunction and compensatory and punitive damages against the defendant, a former dental associate, based upon the defendant’s alleged breach of his fiduciary duty and unfair competition, arising from appropriation of plaintiff’s master list of dental patients and subsequent solicitation and diversion of certain patients to the defendant’s own competing dental practice.
It is well settled that upon appellate review, the determination of the trial court, sitting as both arbiter of facts and law, must be accorded great weight since that court was in the best position to assess the evidence presented at trial. (Figliomeni v Board of Educ.,
