造成牙槽骨不可逆性缺损及缺失的原因包括全身因素及局部因素,而颌骨良性肿物是导致牙槽骨乃至颌骨缺损的常见局部因素。本文就颌骨良性肿物特别是囊肿导致的牙槽骨缺损及缺失原因、如何预防因传统手术造成的牙槽骨及软组织过度或意外损伤以及如何选择正确的手术方法来引导再生牙槽骨及保留并恢复牙齿功能进行叙述,为临床医生实施正确的牙槽外科操作提供参考。 The causes of the irreversible defects and defects in alveolar bone include systemic factors and local factors, and benign jaw mass is a common local factor leading to alveolar bone and even jaw defects. In this paper, the causes of alveolar bone defects and defects caused by benign tumors of the jaw, especially cysts, how to prevent excessive or accidental injury of alveolar bone and soft tissue caused by traditional surgery and how to choose the correct surgical method to guide the regeneration of alveolar bone and Retain and restore the function of the teeth are described for the clinicians to provide the correct reference for alveolar surgery.