Dr Lipare Advanced Dental Clinic & Orthodontic Centre - Maxillary dentoalveolar expansion by Quad Helix Appliance. | Facebook
![SciELO - Brasil - Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire SciELO - Brasil - Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire](https://minio.scielo.br/documentstore/2177-6709/YJkjKHmnqmk8hpkxtmNSkRL/0232e317488383e89e4bb85b0cbb91066e7e71ff.jpg)
SciELO - Brasil - Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire
Quad Helix Activation | video recording | A Quad helix is also known as a fixed expansion appliance. It is a modification of the transpalatal coffin spring. The quad helix appliance
![Figure 6 from Arch Expansion in Cleft Lip and Palate Children : a Comparison between Rapid Palatal Expansion and Quad Helix Expansion Appliances | Semantic Scholar Figure 6 from Arch Expansion in Cleft Lip and Palate Children : a Comparison between Rapid Palatal Expansion and Quad Helix Expansion Appliances | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/39e2fd715f71267ca6fb56ce8d1f00dfa6e3112b/3-Figure6-1.png)