أرسل هذا في رسالة قصيرة: Potency of hyaluronic acid from eggshell-membrane for open gingival embrasure reconstruction following orthodontic tooth movement (a histomorphological study)

 _____       ___    __    __   __   __    ______  
|  __ \\    / _ \\  \ \\ / //  \ \\/ //  /_   _// 
| |  \ ||  / //\ \\  \ \/ //    \ ` //   `-| |,-  
| |__/ || |  ___  ||  \  //      | ||      | ||   
|_____//  |_||  |_||   \//       |_||      |_||   
 -----`   `-`   `-`     `        `-`'      `-`'