Child Markel Mouth Prop Child Markel Mouth Prop MP52 Latex-Free Child Markel Mouth Prop used to prop mouth open during extraction procedures and reduce TMJ trauma for sedated patients. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.