posterior cross bite, gender, study casts, clinical examination, cast analysis INTRODUCTION Posterior cross bite is defined as any abnormal buccal-lingual relation between opposing posterior teeth in centric occlusion [4]. Success of orthodontic treatment depends on
The removable partial denture was created by Etruscans in northern Italy around 500 BC, they made the dentures out of animal's and slaves' teeth. It was carved by ivory. then dentures were renovated to be made out of gold by gold smiths in London. Porcelain dentures was firstly created in 1770 on a british patient. In the 20 century, the acrylic resins and other plastics were used. Dentures were named "False Teeth" as they resemble the natural teeth of the patient in appearance and function but they