Intraoral Digital Impression Technique for a Neonate With Bilateral Cleft Lip and Palate

Jilen Patel, John Winters, Mark Walters
Cleft Palate-craniofacial Journal 2019 March 11, : 1055665619835082

OBJECTIVE: Dental casts are an important aspect in the treatment planning, documentation, and analysis of the dental arch forms of infants with cleft lip and palate (CLP). Impression taking in a neonate is a technique-sensitive procedure, which can result in foreign body dislodgement and carries a small risk of aspiration and airway obstruction. The advent of digital dental technologies and intraoral scanning may facilitate safer, more effective, and accurate impressions for CLP infants.

DESIGN: A digital intraoral scan of a 3-month-old with bilateral CLP (BCLP) was compared with a conventional alginate impression taken prior to primary lip repair.

SETTING: Princess Margaret Hospital for Children.

MAIN OUTCOME MEASURES: To test the applicability and accuracy of digital impression taking for a neonate with BCLP and palate using digital morphometrics.

RESULTS: The average deviation of points ranged above and below the plane of superimposition from +0.78 mm to -0.42 mm with a maximum range of +2.80 mm to -2.80 mm and standard deviation of 0.88 mm. The premaxillary segment showed the greatest degree of variation.

CONCLUSIONS: This is to our knowledge the first report that illustrates the use of a digital impression system to scan the oral structures of a neonate with BCLP. Digital scanning was found to be fast, accurate, and safe, when compared to a conventional alginate impression technique.

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