![An illustration showing the lingual-based four-cornered flap used in... | Download Scientific Diagram An illustration showing the lingual-based four-cornered flap used in... | Download Scientific Diagram](https://www.researchgate.net/profile/Nuraldeen-Al-Khanati/publication/343056581/figure/fig1/AS:914986838790145@1595161270726/An-illustration-showing-the-lingual-based-four-cornered-flap-used-in-Group-A-case-side_Q640.jpg)
An illustration showing the lingual-based four-cornered flap used in... | Download Scientific Diagram
![Illustration of foliate papillae, one of the four lingual papillae on the tongue. These papillae are short vertical folds located on each side at the back of the tongue, just in front Illustration of foliate papillae, one of the four lingual papillae on the tongue. These papillae are short vertical folds located on each side at the back of the tongue, just in front](https://c8.alamy.com/comp/G1576Y/illustration-of-foliate-papillae-one-of-the-four-lingual-papillae-G1576Y.jpg)
Illustration of foliate papillae, one of the four lingual papillae on the tongue. These papillae are short vertical folds located on each side at the back of the tongue, just in front
![Illustration of circumvallate (or vallate) papillae, one of the four lingual papillae on the tongue. They lie on the surface of the tongue immediately in front of the foramen cecum and sulcus Illustration of circumvallate (or vallate) papillae, one of the four lingual papillae on the tongue. They lie on the surface of the tongue immediately in front of the foramen cecum and sulcus](https://c8.alamy.com/comp/G15771/illustration-of-circumvallate-or-vallate-papillae-one-of-the-four-G15771.jpg)
Illustration of circumvallate (or vallate) papillae, one of the four lingual papillae on the tongue. They lie on the surface of the tongue immediately in front of the foramen cecum and sulcus
![Illustration detailing the four types of lingual papilla and where they are located on the human tongue. From top left to bottom right: vallate papilla (circumvallate papilla), filiform papilla, foliate papilla, fungiform Illustration detailing the four types of lingual papilla and where they are located on the human tongue. From top left to bottom right: vallate papilla (circumvallate papilla), filiform papilla, foliate papilla, fungiform](https://c8.alamy.com/comp/G15773/illustration-detailing-the-four-types-of-lingual-papilla-and-where-G15773.jpg)
Illustration detailing the four types of lingual papilla and where they are located on the human tongue. From top left to bottom right: vallate papilla (circumvallate papilla), filiform papilla, foliate papilla, fungiform
![Improving facial profile and correction of a Class II Division 1 malocclusion by extraction of four premolars in lingual orthodontic appliance therapy Improving facial profile and correction of a Class II Division 1 malocclusion by extraction of four premolars in lingual orthodontic appliance therapy](https://www.3m.com/wps/wcm/connect/17feb9d6-b2b7-42e6-9fee-a8786ca37f39/7/Figure-11-Mid-treatment+photos-16x24-SS.jpg?MOD=AJPERES)