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Horizontal ridge augmentation with porcine bone-derived grafting material: a long-term retrospective clinical study with more than 5 years of follow-up. 用猪骨移植材料进行水平嵴隆起:一项超过 5 年随访的长期回顾性临床研究。
IF 1 Q2 Dentistry Pub Date : 2023-12-31 DOI: 10.5125/jkaoms.2023.49.6.324
Jin-Won Choi, Soo-Shin Hwang, Pil-Young Yun, Young-Kyun Kim

Objectives: The purpose of this study was to evaluate the outcomes of implants placed in horizontally augmented alveolar ridges using porcine bone grafts and to investigate the long-term stability of the porcine bone grafts.

Materials and methods: A retrospective analysis was conducted on 49 sites that underwent horizontal ridge augmentation using porcine bone grafts and implant placement with a follow-up period longer than 5 years. Furthermore, additional analysis was conducted on 24 sites where porcine bone grafts were used exclusively for horizontal ridge augmentation and implant placement.

Results: The mean follow-up period after prosthesis loading was 67.5 months, with a mean marginal bone loss of 0.23 mm at 1 year and a cumulative mean marginal bone loss of 0.40 mm over the entire follow-up period. Of the 49 implants, 2 were lost and 3 did not meet the success criteria, resulting in a survival rate of 95.9% and a success rate of 89.8%. In 24 sites, the mean marginal bone loss was 0.23 mm at 1 year and 0.41 mm at 65.8 months, with 100% survival and success rates.

Conclusion: Porcine bone grafts can be successfully used in horizontal ridge augmentation for implant placement in cases of ridges with insufficient horizontal width.

研究目的本研究的目的是评估使用猪骨移植物在牙槽嵴水平增高处植入种植体的效果,并调查猪骨移植物的长期稳定性:对 49 个使用猪骨移植物进行水平牙槽嵴增量术并植入种植体且随访时间超过 5 年的部位进行了回顾性分析。此外,还对 24 个完全使用猪骨移植物进行水平嵴增高和种植体植入的部位进行了额外分析:结果:装入假体后的平均随访时间为 67.5 个月,1 年后的平均边缘骨量损失为 0.23 毫米,整个随访期间的累积平均边缘骨量损失为 0.40 毫米。在 49 个种植体中,2 个丢失,3 个不符合成功标准,因此存活率为 95.9%,成功率为 89.8%。在 24 个部位中,1 年的平均边缘骨损失为 0.23 毫米,65.8 个月的平均边缘骨损失为 0.41 毫米,存活率和成功率均为 100%:结论:猪骨移植可成功用于水平脊增量,在水平宽度不足的脊中植入种植体。
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引用次数: 0
Setback genioplasty with rotation for aesthetic mentolabial soft tissue: a case report. 针对门唇软组织美容的带旋转的后退耳廓成形术:病例报告。
IF 1 Q2 Dentistry Pub Date : 2023-12-31 DOI: 10.5125/jkaoms.2023.49.6.365
Joon-Bum Hong, Joo-Young Ohe, Gyu-Jo Shim, Yong-Dae Kwon

The mentum plays an important role in the aesthetics of the face, and genioplasty is performed to improve an unbalance of the mentum. Among the various surgical approaches, setback genioplasty is used to create an aesthetic jaw-end appearance by moving the mentum backward when it protrudes more than normal. However, conventional setback genioplasty may be aesthetically disadvantageous because the profile of the mentum could become flat. This case study attempted to overcome the limitations of conventional setback genioplasty by rotating the position of the menton and pogonion. We devised a new method for setback genioplasty by rotating the segment anteroinferiorly. Using virtual surgery, we were able to specify the range of surgery more accurately and easily, and the surgery time was reduced. This case report showed the difference in chin soft tissue responses between conventional setback genioplasty and setback genioplasty with rotation.

门牙对面部美观起着重要作用,而门牙成形术就是为了改善门牙的不平衡而实施的。在各种手术方法中,后移耳廓成形术是在耳廓比正常位置突出时,通过向后移动耳廓来创造美观的下颌端外观。然而,传统的后移咬肌成形术在美学上可能会有缺陷,因为门牙的轮廓可能会变得扁平。本病例研究试图通过旋转门齿和舌骨的位置来克服传统后移成形术的局限性。我们设计了一种新的方法,通过向前方旋转部分来进行后退式耳廓成形术。通过虚拟手术,我们能够更准确、更轻松地指定手术范围,并缩短了手术时间。本病例报告显示了传统的下颌后缩成形术和带旋转的下颌后缩成形术在下巴软组织反应上的差异。
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引用次数: 0
Bone remodeling of the fibula segment as a form of neocondyle after free vascularized bone transfer: a report of two cases. 游离血管骨转移后作为新髁形式的腓骨节段骨重塑:两例病例报告。
IF 1 Q2 Dentistry Pub Date : 2023-12-31 DOI: 10.5125/jkaoms.2023.49.6.354
Han Ick Park, Hoon Je Chang, Jee-Ho Lee

The temporomandibular joint is a unique structure composed of the joint capsule, articular disc, mandibular condyles, glenoid fossa of the temporal bone, surrounding ligaments, and associated muscles. The condyle is one of the major components of a functional temporomandibular joint. Reconstruction of large mandibular defects involving the condyle is a surgical challenge for oral and maxillofacial surgeons. To restore large mandibular defects, there are different options for free flap method such as fibula, scapula, and iliac crest. Currently, the vascularized fibula free flap is the gold standard for reconstruction of complex mandibular defects involving the condyle. In the present report, neocondyle regeneration after mandible reconstruction including the condyle head with fibula free flap was evaluated. In this report, two patients were evaluated periodically, and remodeling of the distal end of the free fibula was observed in both cases after condylectomy or mandibulectomy. With preservation of the articular disc, trapezoidal shaping of the neocondyle, and elastic guidance of occlusion, neocondyle bone regeneration occured without ankylosis. Preservation of the articular disc and maintenance of proper occlusion are critical factors in regeneration of the neocondyle after mandible reconstruction.

颞下颌关节是一种独特的结构,由关节囊、关节盘、下颌髁突、颞骨盂状窝、周围韧带和相关肌肉组成。髁状突是功能性颞下颌关节的主要组成部分之一。对口腔颌面外科医生来说,重建涉及髁状突的巨大下颌骨缺损是一项外科挑战。要修复大面积的下颌骨缺损,有不同的游离皮瓣方法可供选择,如腓骨、肩胛骨和髂嵴。目前,血管化纤维游离瓣是重建涉及髁状突的复杂下颌骨缺损的金标准。本报告评估了使用腓骨游离皮瓣重建下颌骨(包括髁状突)后的新髁状突再生情况。本报告对两名患者进行了定期评估,在髁状突切除术或下颌骨切除术后,均观察到游离腓骨远端重塑。由于保留了关节盘、新髁状突的梯形塑形以及咬合的弹性引导,新髁状突的骨再生没有发生强直。保留关节盘和保持适当的咬合是下颌骨重建后新髁骨再生的关键因素。
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引用次数: 0
Implant placement with inferior alveolar nerve repositioning in the posterior mandible. 在下颌后部植入下牙槽神经复位种植体。
IF 1 Q2 Dentistry Pub Date : 2023-12-31 DOI: 10.5125/jkaoms.2023.49.6.347
Doogyum Kim, Taeil Lim, Hyun-Woo Lee, Baek-Soo Lee, Byung-Joon Choi, Joo Young Ohe, Junho Jung

This case report presents inferior alveolar nerve (IAN) repositioning as a viable approach for implant placement in the mandibular molar region, where challenges of severe alveolar bone width and height deficiencies can exist. Two patients requiring implant placement in the right mandibular molar region underwent nerve transposition and lateralization. In both cases, inadequate alveolar bone height above the IAN precluded the use of short implants. The first patient exhibited an overall low alveolar ridge from the anterior to posterior regions, with a complex relationship with adjacent implant bone level and the mental nerve, complicating vertical augmentation. In the second case, although vertical bone resorption was not severe, the high positioning of the IAN within the alveolar bone due to orthognathic surgery raised concerns regarding adequate height of the implant prosthesis. Therefore, instead of onlay bone grafting, nerve transposition and lateralization were employed for implant placement. In both cases, the follow-up results demonstrated successful osseointegration of all implants and complete recovery of postoperative numbness in the lower lip and mentum area. IAN repositioning is a valuable surgical technique that allows implant placement in severely compromised posterior mandibular regions, promoting patient comfort and successful implant placement without permanent IAN damage.

本病例报告介绍了将下牙槽神经(IAN)重新定位作为下颌磨牙区种植体植入的一种可行方法,下颌磨牙区可能存在严重的牙槽骨宽度和高度不足问题。两名需要在右下颌磨牙区植入种植体的患者接受了神经移位和侧位手术。在这两个病例中,由于IAN上方的牙槽骨高度不足,因此无法使用短种植体。第一例患者的牙槽嵴从前部到后部整体较低,与相邻种植体骨水平和精神神经的关系复杂,导致垂直增量复杂化。在第二个病例中,虽然垂直骨吸收并不严重,但由于正颌手术,IAN 在牙槽骨中的位置较高,这让人担心种植修复体是否有足够的高度。因此,在植入种植体时,采用了神经移位和侧位手术,而不是嵌体植骨。在这两个病例中,随访结果显示所有种植体均成功骨结合,术后下唇和牙槽骨区域的麻木感完全恢复。IAN 重新定位是一项非常有价值的手术技术,可以在严重受损的下颌后部植入种植体,提高患者的舒适度,并在不造成永久性 IAN 损伤的情况下成功植入种植体。
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引用次数: 0
Understanding of oral potentially malignant disorders and epithelial dysplasia among oral and maxillofacial surgeons. 口腔颌面外科医生对口腔潜在恶性疾病和上皮发育不良的了解。
IF 1 Q2 Dentistry Pub Date : 2023-12-31 DOI: 10.5125/jkaoms.2023.49.6.309
So-Young Choi
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引用次数: 0
Comparison of hybrid arch bar versus conventional arch bar for temporary maxillomandibular fixation during treatment of jaw fractures: a prospective comparative study. 在治疗下颌骨骨折期间,混合弓形固定杆与传统弓形固定杆用于上颌骨临时固定的比较:一项前瞻性比较研究。
IF 1 Q2 Dentistry Pub Date : 2023-12-31 DOI: 10.5125/jkaoms.2023.49.6.332
Samriddhi Burman, Santhosh Rao, Ankush Ankush, Nakul Uppal

Objectives: This study aimed to compare the effectiveness of a hybrid arch bar (hAB) with the conventional Erich arch bar (EAB) for the management of jaw fractures, focusing on their use for temporary fixation in patients undergoing open reduction and internal fixation (ORIF).

Materials and methods: Patients presenting with maxillary and mandibular fractures at our institution were included in this prospective, comparative study. Placement time and ease of occlusal reproducibility were recorded intraoperatively for Group A (hAB patients) and Group B (EAB patients). The primary outcome was comparison of the postoperative stability of the two arch bars. Postoperative measurements also included mucosal overgrowth, screw loosening or wire retightening, and replacement rates. The data were tabulated and computed with a P<0.05 considered statistically significant.

Results: The study included 41 patients. A statistically significant difference was observed in postoperative stability scores (3) between Group A and Group B (85.0% vs 9.5%, P=0.001). The mean placement time in Group A (23.3 minutes) significantly differed from that in Group B (86.4 minutes) (P<0.001). The ease of intraoperative occlusion was not different between the two groups (P=0.413). Mucosal overgrowth was observed in 75.0% of patients (15 of 20) in Group A.

Conclusion: The hAB was superior to EAB in clinical efficiency, maxillomandibular fixation time reduction, stability, versatility, and safety. Despite temporary mucosal overgrowth, the benefits of hAB outweigh the disadvantages. The choice between hAB and EAB should be based on specific clinical requirements.

研究目的本研究旨在比较混合弓形固定架(hAB)与传统的埃里希弓形固定架(EAB)在治疗下颌骨骨折方面的效果,重点是在接受切开复位内固定术(ORIF)的患者中使用这两种固定架进行临时固定:这项前瞻性比较研究纳入了在我院就诊的上颌骨和下颌骨骨折患者。术中记录了 A 组(hAB 患者)和 B 组(EAB 患者)的置入时间和咬合再现的难易程度。主要结果是比较两个牙弓杆的术后稳定性。术后测量还包括粘膜过度生长、螺钉松动或钢丝重新拧紧以及更换率。数据以表格形式列出,并用PResults进行计算:该研究包括 41 名患者。A组和B组的术后稳定性评分(3)差异有统计学意义(85.0% vs 9.5%,P=0.001)。A 组的平均置入时间(23.3 分钟)与 B 组(86.4 分钟)有显著差异(PP=0.413)。A组中75.0%的患者(20例中的15例)出现粘膜过度生长:hAB在临床效率、上下颌固定时间缩短、稳定性、多功能性和安全性方面均优于EAB。尽管会出现暂时的粘膜过度生长,但 hAB 的优点大于缺点。在 hAB 和 EAB 之间做出选择应基于具体的临床要求。
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引用次数: 0
Is conservative treatment (enucleation using modified Carnoy's solution) of odontogenic keratocyst in the maxilla good prognosis? 保守治疗(改良Carnoy溶液摘除)上颌骨牙源性角化囊肿预后好吗?
IF 1 Q2 Dentistry Pub Date : 2023-10-31 DOI: 10.5125/jkaoms.2023.49.5.287
Woo Young Jeon, Jung Ho Park, Jeong-Kui Ku, Jin-A Baek, Seung-O Ko

Odontogenic keratocysts (OKCs) located in the maxillae have rarely been reported in the literature. Standard treatment modalities for OKC range from marsupialization to marginal resection. However, most of the studies on OKC treatment have been related to mandibular OKCs. The anatomical structure and loose bone density of the maxillae and the empty space of the maxillary sinus could allow rapid growth of a lesion and the ability to tolerate tumor occupancy in the entire maxilla within a short period of time. Therefore, OKCs of the maxillae require more aggressive surgery, such as resection. As an alternative, this report introduces a modified Carnoy's solution, a strong acid, as an adjuvant chemotherapy after cyst enucleation. This report describes the clinical outcomes of enucleation using a modified Carnoy's solution in patients with large OKCs on the posterior maxillae. In three cases, application of a modified Carnoy's solution had few side effects or morbidity. Each patient was followed for four to six years, and none showed any signs of recurrence. In conclusion, adjuvant treatment with a modified Carnoy's solution can be considered a treatment option capable of reducing the recurrence rate of OKC in the maxillae.

位于上颌骨的牙源性角化囊肿(OKCs)在文献中很少报道。OKC的标准治疗方式包括有袋切除术和边缘切除术。然而,大多数关于OKC治疗的研究都与下颌OKC有关。上颌骨的解剖结构和疏松的骨密度以及上颌窦的空隙可以允许病变的快速生长,并且能够在短时间内耐受整个上颌骨中的肿瘤占据。因此,上颌骨OKC需要更积极的手术,如切除。作为一种替代方案,本报告介绍了一种改良的Carnoy溶液,一种强酸,作为囊肿摘除术后的辅助化疗。本报告描述了使用改良Carnoy溶液对上颌骨后部大型OKCs患者进行摘除的临床结果。在三例病例中,应用改良Carnoy溶液几乎没有副作用或发病率。每个患者都接受了四至六年的随访,没有任何复发迹象。总之,改良Carnoy溶液的辅助治疗可以被认为是一种能够降低上颌骨OKC复发率的治疗方案。
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引用次数: 0
Donor site morbidities of concha cartilage harvesting using a retroauricular approach for cleft rhinoplasty: retrospective study. 耳后入路鼻甲软骨摘除术的供区发病率:回顾性研究。
IF 1 Q2 Dentistry Pub Date : 2023-10-31 DOI: 10.5125/jkaoms.2023.49.5.270
Sukkarn Themkumkwun, Chakorn Vorakulpipat, Kiatanant Boonsiriseth

Objectives: Concha cartilage is recommended for correction of cleft nasal deformities. Morbidities at the donor site have been reported in esthetic rhinoplasty cases. Reports on cleft patients are limited, so we investigated the complications of concha cartilage harvesting using the retroauricular approach in cleft rhinoplasty and their management.

Materials and methods: This was a retrospective review of the charts of 63 patients with cleft deformities who underwent septorhinoplasty with concha cartilage. All cases were harvested using a retroauricular approach. Data on patient demographics, surgery type, amount of cartilage harvested, and complications were gathered.

Results: Sixty-three patients were enrolled (21 males and 42 females). The mean age of patients was 20.2±5.9 years. Complications were observed in 6 cases (9.5%) and included delayed wound healing (4.8%), prolonged postoperative pain (1.6%), postoperative paresthesia (1.6%), and prominauris (1.6%).

Conclusion: The rate of complications associated with concha cartilage harvesting using a retroauricular approach is low. The use of meticulous surgical techniques, especially hemostasis control and adequate wound dressing, is key to minimizing postoperative complications.

目的:海螺软骨被推荐用于矫正鼻裂畸形。据报道,在美容鼻整形术病例中,供体部位的发病率较高。关于腭裂患者的报道有限,因此我们研究了在腭裂鼻成形术中使用耳后入路获取甲软骨的并发症及其处理。材料和方法:回顾性分析63例腭裂患者的鼻中隔软骨成形术。所有病例均采用耳后入路。收集患者人口统计数据、手术类型、软骨收获量和并发症。结果:63名患者入选(21名男性和42名女性)。患者的平均年龄为20.2±5.9岁。并发症有6例(9.5%),包括伤口愈合延迟(4.8%)、术后疼痛延长(1.6%)、术前感觉异常(1.6%)和听不清(1.6%)。使用细致的手术技术,特别是止血控制和适当的伤口敷料,是最大限度地减少术后并发症的关键。
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引用次数: 0
Association of the number of remaining teeth with kidney function in community-dwelling healthy older adults: a cross-sectional study. 社区健康老年人剩余牙齿数量与肾功能的关系:一项横断面研究。
IF 1 Q2 Dentistry Pub Date : 2023-10-31 DOI: 10.5125/jkaoms.2023.49.5.243
Yui Nanba, Yuhei Matsuda, Satsuki Watanabe, Mayu Takeda, Takafumi Abe, Kazumichi Tominaga, Minoru Isomura, Takahiro Kanno

Objectives: Although a few studies have investigated the relationship between kidney and oral function (number of remaining teeth), their results remain inconclusive. Therefore, this study aimed to investigate the relationship between kidney function and oral health in community-dwelling healthy elderlies and examine the factors associated with kidney function.

Materials and methods: We used cross-sectional data from the Shimane prefecture cohort recruited by the Center for Community-Based Health Research and Education in 2019. We collected clinical data on dental status, background factors and kidney function (estimated glomerular filtration rate [eGFR], mL/min/1.73 m2 and creatinine levels, mg/dL).

Results: The study enrolled 481 participants, whose mean age was 66.7±7.4 years, and 223 (46.4%) participants were men. Multivariate analysis revealed significant correlations between eGFR (B=0.17, P=0.04), creatinine (B=-0.54, P<0.01), and the number of remaining teeth. The number of remaining teeth was associated with creatinine and eGFR, which are indicators of kidney function.

Conclusion: This study suggests that preserving the teeth may prevent decline in kidney function. Dental professionals should provide instructions and professional care to reduce the risk of systemic diseases such as kidney dysfunction.

目的:尽管一些研究已经调查了肾脏和口腔功能(剩余牙齿数量)之间的关系,但他们的结果仍然没有定论。因此,本研究旨在探讨社区健康老年人的肾功能与口腔健康之间的关系,并探讨与肾功能相关的因素。材料和方法:我们使用了2019年社区健康研究与教育中心招募的岛根县队列的横断面数据。我们收集了有关牙齿状况、背景因素和肾功能的临床数据(估计肾小球滤过率[eGFR],mL/min/1.73m2和肌酐水平,mg/dL)。结果:该研究招募了481名参与者,其平均年龄为66.7±7.4岁,223名(46.4%)参与者为男性。多因素分析显示,eGFR(B=0.17,P=0.04)、肌酸酐(B=-0.54,P)之间存在显著相关性。结论:本研究表明,保留牙齿可以防止肾功能下降。牙科专业人员应提供指导和专业护理,以降低患肾功能障碍等系统性疾病的风险。
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引用次数: 0
Intra-sinus rigid fixation of a resorbable barrier membrane to repair a large perforation of the sinus membrane: a technical note. 窦内可吸收屏障膜刚性固定修复窦膜大穿孔:一项技术注意事项。
IF 1 Q2 Dentistry Pub Date : 2023-10-31 DOI: 10.5125/jkaoms.2023.49.5.297
Won-Jun Joung, Seo-Hyoung Yun, Yongjin Kim, Yong-Seok Cho, Won-Woo Lee, Jin-Won Seo, Marco Tallarico, Kyung-Gyun Hwang, Chang-Joo Park

A resorbable barrier membrane is commonly used for the repair of perforated sinus membranes during sinus lifting surgeries. However, repairing largescale perforations poses challenges for clinicians as the protection and isolation of graft material remain uncertain. With this technique, we aimed to prevent graft material loss and subsequent sinus-related complications using intra-sinus rigid fixation of the resorbable barrier membrane in cases with a large perforation of the sinus membrane.

可吸收的屏障膜通常用于在鼻窦提升手术中修复穿孔的鼻窦膜。然而,修复大规模穿孔给临床医生带来了挑战,因为移植物材料的保护和隔离仍然不确定。通过这项技术,我们的目的是在窦膜大穿孔的情况下,使用窦内可吸收屏障膜的刚性固定来防止移植物材料损失和随后的窦相关并发症。
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引用次数: 0
期刊
Journal of the Korean Association of Oral and Maxillofacial Surgeons
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