These are devices used to widen the upper or lower jaw in children twelve or younger. The AAO recommends that all children should have an orthodontic evaluation by the age of six or seven. Early intervention can prevent more serious orthodontic or surgical problems later. Expanders are used to correct narrow arches, create space for crowded or impacted teeth and even improve breathing and airway function. How expanders work: The top expanser gradually pushes the two halves of the upper jaw apart

Kids Palatal Expander Guide-Fix Mouth Breathing & Pediatric Sleep Apnea

expander Key-Dental Orthodontic Expansion Swivel Key Tool for Palatal Expanders-(3 Pack)

高考英语核心词汇680（322）expand的用法

Invisalign Palatal Expander: Stress-Free Orthodontics for Kids | Dr Gulfam Ahmad Consultant Orthodontist at Dental Grace posted on the topic | LinkedIn

Rapid Palatal Expansion is a common orthodontic procedure. The RPE is used to widen the upper jaw (maxilla) so that the bottom and upper teeth will fit together better. #CurtisOrthoAZ #Orthodontics #Braces #RPE #Expander #Maxilla #DidYouKnow #Teeth #Jaw #ShareTheKnowledge | Curtis Orthodontics