Seminars in Orthodontics最新文献

英文中文

CAD-based functional therapy during aligner treatment – the “En-Nova”-protocol (technical report) 对准器治疗期间基于 CAD 的功能治疗--"En-Nova "方案（技术报告）

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2025-02-01 DOI: 10.1053/j.sodo.2024.06.009

Cristiano Segnini , Vincenzo D'Anto , Rosa Valetta , Christopher J. Lux , Christoph J. Roser

Functional orthodontic therapy represents a fundamental element of orthodontic therapy, intending to correct skeletal discrepancies of growing patients by changing their neuromuscular patterns on the long run. To date, consequent functional orthodontic therapy is the first part of a two-phase treatment protocol, which is followed by subsequent dental alignment. For aligners several features are present, which aim to integrate functional therapy into aligner treatment. Examples include inclined planes (“precision wings”) incorporated into the aligners or elastics, both trying to force a mandibular advancement. However, all of them suffer from a rather small skeletal effect, which is why the development of new approaches, which allow for more growth control during aligner therapy, is justified. Against this background, the present article describes a new treatment concept which consists of a CAD-based functional orthodontic appliance overlaying over the aligners during the entire treatment time. By increasing the skeletal control, it is intended to guarantee a consequent functional orthodontic treatment while saving treatment time.

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引用次数: 0

The importance of 4D records in orthodontics: It's all about chewing. Technical aspects and clinical cases

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2025-02-01 DOI: 10.1053/j.sodo.2024.10.003

Domingo Martin Salvador MD, DMD, MS , Javier Aznar Arraiz DMD, MS, PhD , Anna Andrzejewska DMD, MS , Pablo Arias Camison DMD, MS , Alberto Canabez Berthet MD, DMD, MS

This article explores the importance of achieving orthopedic stability, focusing on occlusal splints designed using advanced technologies like intraoral scanners and virtual articulators. These splints aid in repositioning condyles, stabilizing dental occlusion, reducing muscular hyperactivity, and alleviating symptoms of temporomandibular dysfunction.

Central to these advancements is ModJaw^TM, a 4D kinematic imaging device that accurately records mandibular movements and condylar trajectories. ModJaw^TM enhances diagnosis and treatment planning by visualizing dynamic occlusal contacts, detecting chewing anomalies, allowing virtual mountings and enabling precise adjustments.

Two clinical cases are shown demonstrating successful outcomes using ModJaw^TM data in orthodontic interventions, emphasizing the importance of maintaining the arc of closure for achieving desired orthopedic stability and optimal occlusion.

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引用次数: 0

A three-dimensional perspective on Brodie Bite's diagnosis, planning, treatment alternatives, and complications 从三维角度看布罗迪-咬合症的诊断、计划、治疗方案和并发症

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2024-12-01 DOI: 10.1053/j.sodo.2023.12.008

Carol Weinstein , Miguel Hirschhaut , Patricia Vergara , Angelica de la Hoz Chois , Carlos Flores-Mir

This narrative review describes the different diagnostic, prognostic, management aspects and complications of the Brodie Bite. A current literature review was completed to identify relevant case reports, case series, and reviews about the Brodie Bite. Brodie Bite cases, fortunately, are not frequent. A checklist for this malocclusion is presented. Additionally, a description of the advantages of an early diagnosis will be discussed to avoid its progression to a more complex clinical scenario. The importance of solving the Brodie Bite before correcting any other simultaneous malocclusion problem is stressed. Emphasis is given on a three-dimensional diagnosis and planning. Different management mechanics are presented - ranging from TADS to fixed and functional appliances. Alternative disocclusion methods are also discussed. It is noted that some cases benefit from a combined surgical orthodontic correction. Finally, periodontal issues and difficulties are addressed.

这篇叙述性综述介绍了布罗迪咬伤的不同诊断、预后和处理方法。我们对当前文献进行了回顾，以确定有关布罗迪咬伤的相关病例报告、系列病例和综述。幸运的是，布罗迪咬合病例并不常见。本文介绍了这种错颌畸形的检查表。此外，还将讨论早期诊断的优势，以避免其发展为更复杂的临床情况。在矫正其他同时出现的错颌畸形问题之前，强调解决布罗迪咬合问题的重要性。重点强调三维诊断和规划。介绍了不同的矫治方法--从TADS到固定矫治器和功能矫治器。此外，还讨论了其他的错合畸形矫治方法。还指出有些病例可以从外科正畸联合矫正中获益。最后，还讨论了困难和并发症。

引用次数: 0

Management of open bite in patients with temporomandibular joint degeneration 颞下颌关节退化患者的开咬管理

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2024-12-01 DOI: 10.1053/j.sodo.2024.05.004

Li-Fang Hsu , Johnny Joung-Lin Liaw , Ib Leth Nielsen , Yi-Jane Chen , Yunn-Jy Chen , Chung-Chen Jane Yao , Jae Hyun Park

Open bite is a multifactorial problem, which is a challenging type of malocclusion for the orthodontist to treat. A careful and detailed diagnosis is important to ensure the correct treatment approach. With the use of temporary skeletal anchorage devices (TSADs), it is now possible in most cases to treat these malocclusions without surgical intervention. Several etiological factors are involved in the development of this malocclusion, including the patient's facial growth pattern, persistent sucking habits, tongue dysfunction, and mouth breathing due to compromised airways. These factors should always be identified early in a patient's life. Treatment strategies have included habit control, tongue crib, and correction of any airway problems, while in the more severe open bite patients, orthognathic surgery was necessary to correct the problem. Now, it can be treated by the intrusion of the posterior teeth using TSADs. This article presents one type of open bite resulting from condylar degeneration. In the past, this problem could have only been corrected with orthognathic surgery. Here, we demonstrate the result of an acquired open bite treated by intruding the posterior teeth with TSADs. In addition, we provide guidelines for selecting those cases that lend themselves to treatment with TSADs and those where combined orthodontic and orthognathic surgical correction is still needed.

开牙合咬合是一种多因素问题，对于正畸医生来说，这是一种具有挑战性的错颌畸形类型。认真细致的诊断对于确保正确的治疗方法非常重要。随着临时骨骼固定装置（TSADs）的使用，现在在大多数情况下，无需手术干预即可治疗这类错颌畸形。这种错颌畸形的形成涉及多种病因，包括患者的面部生长模式、持续的吸吮习惯、舌功能障碍以及因呼吸道受损而导致的口呼吸。这些因素应在患者生命的早期加以识别。治疗策略包括控制习惯、舌床和纠正任何气道问题，而对于更严重的开放性咬合患者，则需要进行正颌手术来纠正问题。现在，可以通过使用TSADs植入后牙来治疗。本文介绍了一种因髁突退化导致的开放性咬合。在过去，这种问题只能通过正颌手术来矫正。在这里，我们展示了通过使用 TSADs 插入后牙来治疗后天性开牙合的结果。此外，我们还提供了选择适合使用 TSADs 治疗的病例以及仍然需要正畸和正颌外科手术联合矫正的病例的指南。

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引用次数: 0

Clinical application of a lingual retractor with temporary anchorage devices (TADs) for patients with lip protrusion and anterior open bite 舌侧牵引器与临时固定装置（TAD）在唇前突和前开放性咬合患者中的临床应用

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2024-12-01 DOI: 10.1053/j.sodo.2024.05.006

Jung Jin Park , Jin-Young Choi , Ki-Ho Park , Soon-Yong Kwon , Young-Guk Park , Jae Hyun Park

Anterior open bite (AOB) is considered one of the most difficult malocclusions to correct and achieve successful and stable results. Various treatment approaches have been proposed for the treatment of AOB in adults. Intrusion of the entire maxillary dentition is necessary for AOB patients with severe incisor exposure. In previous reports, a labial appliance with temporary anchorage devices (TADs) implanted in various positions has been used to achieve total intrusion of the maxillary dentition. This article describes the design and biomechanics of an anteroposterior lingual retractor (APLR) to attempt retraction of anterior teeth and total intrusion of maxillary dentition after premolar extraction in patients with both lip protrusion and AOB and the functions of each component of APLR is considered. When force is applied between the anterior lever arm of the APLR and a TAD in the midpalatal area, the anterior teeth are intruded and retracted with torque control. Because the direction of the APLR force and the guide bar are not parallel, intrusive force is generated in the posterior teeth. Due to this total intrusion of the maxillary dentition, the mandible is rotated counterclockwise, improving AOB with severe incisor exposure. Various cases are presented in which APLR was applied to AOB patients, and the clinical considerations behind the treatment are explained in detail.

前开咬合（AOB）被认为是最难以矫正和获得成功和稳定结果的错合之一。针对成人AOB的治疗，已经提出了多种治疗方法。对于有严重门牙外露的AOB患者，整个上颌牙列的侵入是必要的。在以前的报道中，一种带有临时锚定装置（TADs）的唇部矫治器被植入不同的位置，以实现上颌牙列的完全侵入。本文介绍了一种用于前磨牙拔除后前牙的前牙牵开器（APLR）的设计和生物力学，并考虑了APLR各组成部分的功能。当在上腭前杠杆臂与中腭区TAD之间施加力时，通过扭矩控制将前牙侵入并缩回。由于APLR力方向与导杆方向不平行，在后牙内产生侵入力。由于上颌牙列的完全侵入，下颌骨逆时针旋转，改善严重门牙暴露的AOB。本文介绍了APLR应用于AOB患者的各种病例，并详细解释了治疗背后的临床考虑。

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引用次数: 0

Orthodontic re-treatment of class II malocclusion – Strategies for correction of anchorage loss ⅱ类错牙合的再治疗-支抗缺失的矫正策略

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2024-12-01 DOI: 10.1053/j.sodo.2024.09.005

Abhisek Ghosh , Gina Theodoridis , Adith Venugopal

Orthodontic re-treatment may be required in cases of sub-optimal treatment outcomes. These outcomes may often be due to appliance-driven treatment plan, inadequate bio-mechanical considerations during treatment or poor operator skills. Common issues include anchorage loss, deepening of bite, incorrect extraction protocols, re-opened extraction spaces and loss of vertical control. To address these problems, traditional orthodontic appliances, skeletal anchorage systems, customized appliances, and clear aligners may offer a ray of hope, provided they are used judiciously. To effectively manage re-treatment techniques, it's important to have a solid understanding of the anatomic limits, biomechanics, and potential side effects. Proper case selection is extremely crucial for overall clinical success in such complex situations. Therefore, establishing guidelines and understanding the biomechanical perspectives of various appliance systems are essential to address these challenges in modern orthodontic practice.

在治疗效果不理想的情况下，可能需要重新进行正畸治疗。这些结果通常是由于器械驱动的治疗计划，治疗过程中不充分的生物力学考虑或操作人员技能差。常见的问题包括锚固缺失、咬合加深、不正确的拔牙方案、重新打开拔牙空间和失去垂直控制。为了解决这些问题，传统的正畸矫治器、骨骼锚定系统、定制矫治器和透明矫正器可能会带来一线希望，只要它们被明智地使用。为了有效地管理再治疗技术，对解剖学极限、生物力学和潜在副作用有一个深入的了解是很重要的。在这种复杂的情况下，正确的病例选择对于整体临床成功至关重要。因此，建立指南和了解各种矫治器系统的生物力学观点对于解决现代正畸实践中的这些挑战至关重要。

引用次数: 0

Are zygomatic implants an alternative to orthognathic surgery in the treatment of a vertical discrepancy ? A case series to describe an open bite treatment protocol 颧骨植入是否可以替代正颌手术治疗垂直差异？一个病例系列来描述开放咬伤治疗方案

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2024-12-01 DOI: 10.1053/j.sodo.2024.09.002

Ahmet Nejat Erverdi , Yasemin Bahar Acar , Aybüke Ensarioğlu

Introduction

This report aims to present case series to describe a treatment protocol for correction of severe open bite in non-growing patients

Methodology

Patients diagnosed with skeletal open bite malocclusion (overbite range: -3 to -6 mm) were treated using a bonded appliance and skeletal anchorage. Intrusive force was applied between buccal bars of appliance and zygomatic multipurpose implants (MPI). Intrusion was continued until positive overbite occurred. Treatment progressed with conventional fixed orthodontic treatment for alignment and settling. MPIs were retained until the end of treatment for retention of intrusion

Results

Clinically effective open bite correction was achieved by intrusion of maxillary buccal segment and mandibular counterclockwise autorotation

Conclusion

This protocol includes zygomatic anchorage and an appliance that aims triple intrusion effect through combination of orthodontic and physiological forces. Achieving significant maxillary intrusion, controlling mandibular eruption and maximizing mandibular counterclockwise autorotation are the main outcomes of this protocol.

本报告的目的是介绍一个病例系列来描述一种治疗方案，用于纠正非生长患者的严重开咬。方法：诊断为骨骼开咬错的患者（覆盖咬合范围：-3至-6 mm）使用粘接矫治器和骨骼支抗治疗。在矫治器颊棒与颧多用途假体（MPI）之间施加侵入力。侵入一直持续到发生正面复咬。治疗进展为传统的固定正畸治疗，以矫正和沉淀。结果上颌颊段内压和下颌逆时针自旋可获得临床有效的开放咬合矫正。结论该方案包括颧支抗和矫治器，通过正畸和生理力的结合达到三重内压效果。该方案的主要结果是实现明显的上颌侵入，控制下颌骨的爆发和最大化下颌骨的逆时针自旋。

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引用次数: 0

Obituary 讣告

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2024-12-01 DOI: 10.1053/S1073-8746(24)00119-1

引用次数: 0

Management of skeletal class III discrepancies using temporary anchorage devices. Clinical cases review and biomechanical considerations 使用临时固定装置处理骨骼 III 级差异。临床病例回顾和生物力学考虑因素。

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2024-12-01 DOI: 10.1053/j.sodo.2024.04.002

Juan Carlos Pérez-Varela , María Dolores Campoy , Miriam López-Vila , Sara Camañes-Gonzalvo , Verónica García-Sanz , Vanessa Paredes-Gallardo

The diagnosis and treatment of class III malocclusion can be challenging due to its complexity, impacting not only the jaws but the entire craniofacial complex. For adult patients with skeletal class III malocclusion, potential treatment options include evaluating orthognathic surgery or using dentoalveolar compensation strategies. The aim of this clinical case review is to present a series of cases involving skeletal class III malocclusion, with or without associated transverse issues, treated through various approaches. Additionally, this review will discuss different biomechanical and biological aspects that should be considered in these procedures.

由于其复杂性，III类错颌的诊断和治疗具有挑战性，不仅影响颌骨，而且影响整个颅面复合体。对于骨骼III类错牙合的成年患者，潜在的治疗选择包括评估正颌手术或使用牙槽代偿策略。本临床病例回顾的目的是提出一系列涉及骨骼III类错牙合的病例，有或没有相关的横向问题，通过各种方法治疗。此外，本综述将讨论在这些手术中应考虑的不同生物力学和生物学方面。

引用次数: 0

Biomechanical and clinical considerations for the correction of Class II anterior open bite 矫正 II 类前开放性咬合的生物力学和临床考虑因素

IF 2.2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Seminars in Orthodontics

Pub Date : 2024-12-01 DOI: 10.1053/j.sodo.2024.02.003

Sungsu Heo , Jae Hyun Park , Seung Pil Jung , Sung-Kwon Choi , Jae-Soo Kim , Jong-Moon Chae

Anterior open bite (AOB) with mild-to-moderate skeletal discrepancies can be camouflaged by an orthodontic tooth movement. Conventional methods can improve occlusal relationships and some profile esthetics, but their mechanics may result in detrimental side effects such as a gummy smile, a high-frequency relapse, and an unfavorable facial profile. The emergence of temporary skeletal anchorage devices (TSADs) has facilitated the treatment of skeletal Class II AOB through intrusion of the posterior teeth and autorotation of the mandible, improving facial esthetics while minimizing the side effects. TSADs can also simplify treatment plans and offer a more predictable treatment result. Finite element studies have identified the location of the center of resistance of the dentition, providing a biomechanical basis for understanding 3-dimensional tooth movement patterns using TSADs. Therefore, biomechanical and clinical considerations are essential for correcting Class II AOB using TSADs.

前开咬（AOB）轻至中度的骨骼差异可以伪装的正畸牙齿运动。传统的方法可以改善咬合关系和一些轮廓美学，但它们的机制可能会导致有害的副作用，如粘粘的微笑，高频复发和不利的面部轮廓。临时骨锚定装置（TSADs）的出现促进了通过后牙侵入和下颌自旋治疗骨骼II类AOB，改善了面部美观，同时最大限度地减少了副作用。TSADs还可以简化治疗计划，并提供更可预测的治疗结果。有限元研究确定了牙列阻力中心的位置，为利用TSADs了解牙齿三维运动模式提供了生物力学基础。因此，生物力学和临床考虑对于使用TSADs纠正II型AOB至关重要。

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