Brauner Edoardo, Laudoni Federico, Rampelli Emilia, Bellizzi Andrea, De Angelis Francesca, Pranno Nicola, Battisti Andrea, Valentini Valentino, Di Carlo Stefano
Department of oral and Maxillofacial Sciences, Sapienza University of Rome, Via Caserta 6, 00161 Rome, Italy.
Implanto-Prosthetic Unit, Policlinico Umberto I, Viale Regina Elena 287b, 00161 Rome, Italy.
Medicina (Kaunas). 2024 Nov 23;60(12):1931. doi: 10.3390/medicina60121931.
Functional rehabilitation in patients with hemimandibulectomy remains a challenge no matter what method of reconstruction is chosen by physicians. In this paper, we aim to evaluate the feasibility of an acceptable occlusal restoration in patients who have undergone hemimanidublectomy without the reestablishment of mandibular continuity. Data were collected retrospectively on 10 patients with varying degrees of mandible resection. The greatest challenge in the restoration of an acceptable occlusion form is the natural latero-deviation that occurs in patients whose mandibular continuity was not restored. This causes an unbalanced and uncoordinated occlusal plane. Based on our research, this deviation is highly dependent on three main factors: the presence of teeth (which allow for a proprioceptive stimulus that counteracts the deviation), the extension of the defect and the presence or lack of the coronoid process. Based on the presence of dental elements or lack thereof, patients were either rehabilitated with implant-supported dentures or removable partial dentures. Although the gold standard of care for these patients remains the restoration of mandible continuity through use of bone grafts, an acceptable rehabilitation of occlusion and therefore function may be acquired in non-grafted patients. Both physicians and patients must manage their expectations carefully and be eager to find a compromise to provide the best possible solution given the challenges of the premises.
无论医生选择何种重建方法,半侧下颌骨切除患者的功能康复仍然是一项挑战。在本文中,我们旨在评估在未重建下颌骨连续性的半侧下颌骨切除患者中进行可接受的咬合重建的可行性。回顾性收集了10例不同程度下颌骨切除患者的数据。恢复可接受的咬合形式的最大挑战是下颌骨连续性未恢复的患者中出现的自然侧向偏斜。这会导致咬合平面不平衡和不协调。根据我们的研究,这种偏斜高度依赖于三个主要因素:牙齿的存在(其允许本体感觉刺激来抵消偏斜)、缺损的范围以及冠突的存在与否。根据是否存在牙体组织,患者分别采用种植体支持义齿或可摘局部义齿进行修复。尽管这些患者的金标准治疗方法仍然是通过使用骨移植来恢复下颌骨连续性,但在未进行骨移植的患者中也可以获得可接受的咬合以及功能康复。医生和患者都必须谨慎管理他们的期望,并渴望找到一种折衷方案,以便在现有挑战的情况下提供尽可能好的解决方案。