In vitro evaluation of force-expansion characteristics in a newly designed orthodontic expansion screw compared to conventional screws

Objective : Expansion screws like Hyrax, Haas and other types, produce heavy interrupted forces which are unfavorable for dental movement and could be harmful to the tooth and periodontium.The other disadvantage of these screws is the need for patient cooperation for their Comforters regular activation.The purpose of this study was to design a scre

read more

Rare Laryngeal Hamartoma: A Case Report

Hamartoma (from the Greek language, where hamartia Ice Cream Freezers means defect or an error and -oma denoting a tumor or neoplasm) is a benign tumor-like mass composed of mature tissue or cells that are present in abnormal proportions or show a disorganized arrangement.Hamartomas are rarely seen in the head and neck area and especially rare in t

read more