The advantages of ultrasonic or sonic root-end preparation compared to conventional bur preparation: a deeper root-end preparation, alignment in the original path of the root canal, a reduced risk of lingual perforation. A debridement of gutta-percha.
При низкой оригинальности работы "Microsurgical instruments for root-end cavity preparation following apicoectomy", Вы можете повысить уникальность этой работы до 80-100%
