Introduction: The use of earthen materials is common in hot and dry areas around the world, due to a cheap, abundant and easy access to materials.Today, the use of earthen materials is common in urban and rural areas in developing countries.In Iran earthen materials have partly shaped our architectural culture and identity.Kahgel is one of the olde

BackgroundSeveral canalith repositioning Browband Headstall procedures (CRPs) such as Gufoni maneuver have been proposed to treat the apogeotropic lateral semicircular canal variant of BPPV (LC-BPPV).The reported success rate varied widely in different studies.Research showed that there was a risk of treatment failure due to insufficient reposition