BACKGROUND: In orthodontics, anterior open bite is a common malocclusion that recurs frequently. Because the causes of anterior open bite are so varied, medical professionals must create customized treatment programs for each patient based on their unique etiology. Through the lowering of the posterior teeth, closure of the anterior teeth gap, and cooperation with intermaxillary traction, the treatment plan outlined in this case study sought to achieve a stable occlusion.
METHODS: This case report aims to describe an orthodontic camouflage treatment of a 15-year-old female patient with anterior open bite, arch width discrepancy and a history of temporomandibular joint disorder. The patient was treated with intermaxillary vertical elastics and the multiple edgewise arch wire (MEAW) approach. A satisfactory occlusion with a neutral molar relationship was attained after 29 months of orthodontic therapy. The condylography recording showed that this patient\'s occlusion tended to be more stable both before and after our treatment. The purpose of this case study is to provide an overview of an orthodontic camouflage treatment for a female patient, who had a history of temporomandibular joint disease, anterior open bite, and arch width disparity.
CONCLUSIONS: Our results demonstrated that more attention should be paid to levelling the occlusal plane, intrusion of the molars, decompression of temporomandibular joints and the etiology factors of malocclusion during the orthodontic period for those patients with anterior open bite.

Non-surgical treatment of Class II subdivision may involve complex mechanics or asymmetric tooth extraction in its resolution. This report demonstrates the result and the short-term stability of Class II subdivision treated with asymmetrically installed Herbst appliance followed by conventional fixed orthodontic appliance. The approach allowed the correction of the unilateral Class II molar relationship and increased overjet, as well as the deviation of dental midlines, with improvement in lip posture and facial profile. The results remained stable two years after treatment, confirming the treatment success.

UNASSIGNED: 24/09/1998; sex: female.
UNASSIGNED: 13 years 5 months old; 07/03/2012.
METHODS: Skeletal Class I with biretrusion, hypodivergent facial pattern; angle\'s Class II division 1 with overbite; moderate dento-maxillary discrepancy; maxillary incisor malposition.
UNASSIGNED: Bimaxillary buccal fixed appliance with Class II elastics. Active treatment duration: 25 months.
UNASSIGNED: 15 years 7 months old; 09/05/2014. POST-RETENTION DOCUMENTS: (minimum 1 year) 16 years 9 months old; 08/07/2015. Retention period: unlimited.

Date of birth>09/06/2004; sex: female. Pre-treatment documents>13years 4months old: 07/07/2017. Diagnosis>Skeletal class II with mandibular retrusion, normodivergent facial pattern; class II division 2. Treatment planning>bimaxillary buccal fixed appliance. Duration of active treatment>29months. Post-treatment documents>15years 6months; 20/12/2019. Post-retention documents>16years 7months old; 04/01/2021. Retention period>2years 9months and still continued.

暂无摘要。

Cerebral palsy is a common cause of chronic motor neuron impairment. A constant prevalence of 2 to 3/1000 births in industrialized countries has been described. This case report describes the treatment of a 9 year old boy presenting this form of motor neuron impairment and class II malocclusion with an overjet of 14 mm, hyperdivergent growth pattern and various habits. Orthodontic treatment consisted mainly of a two-phase treatment. The first phase was treated with removable appliances and followed by a phase with fixed appliances. Treatment duration with removable appliances was 4 years and 5 months and for the fixed appliance phase, 1 year and 7 months. A class I occlusion could be achieved in this case by removable and fixed orthodontic appliances combined with adjunctive treatment for the hypotonic orofacial musculature.

Diamond Blackfan anemia (DBA) is a chronic congenital form of erythrocytic hypoplasia in which erythroid precursor cell levels are low. DBA reflects ribosomal dysfunction and is accompanied by hematopoietic cell apoptosis, anemia, and various somatic symptoms. We report the characteristic symptoms of the craniofacial region and the orthodontic treatments of two DBA cases. Case 1 was a 12-year-old female. The typical physical and facial characteristics of DBA were lacking. On initial examination, she exhibited a skeletal Class II jaw and end to end molar relationships and a large overjet. An edgewise appliance was placed after extraction of the first maxillary premolars. After 3 years and 11 months, an appropriate overjet and overbite, rigid intercuspation, and an acceptable profile were evident without any clinical adverse effects. Case 2 was a 13-year-old female. She exhibited a skeletal Class I jaw relationship, a spaced dental arch, the maxillofacial dysplasia characteristic of Binder syndrome, hypoplasia of the right mandibular condyle, and labial protrusions of the maxillary and mandibular incisors. We placed an edgewise appliance and after 1 year and 7 months, the occlusion was optimal in the absence of any adverse effects. Our two DBA cases exhibited a broad spectrum of physical and dentofacial symptoms. Patients with DBA are often prescribed combined steroid/bisphosphonate therapies. Both agents are likely to affect alveolar bone remodeling after tooth extraction and orthodontic tooth movement. Careful consideration of medication with reference to various dentofacial characteristics is necessary.

本文报道1例青少年骨性Ⅱ类错牙合患者的二次矫治过程，一期矫治阶段主要纠正口腔不良习惯，二期固定矫治阶段上下牙列排齐后，通过头帽-口外弓牵引，用矫形力抑制上颌生长，最终实现患者咬合及面型的良好改善。.

In last decades, the number of adult patients requesting orthodontic treatments has increased. Orthognathic surgery allows correction of skeletal dysmorphoses in adults. The management of osteoporotic patients treated with bisphosphonates is a major challenge for orthodontists and maxillofacial surgeons. Few studies have been conducted in these patients and four cases of orthognathic surgery have been described to date. A rare case of orthodontic surgical treatment in an osteoporotic patient who has been treated with bisphosphonates is reported. A 38-year-old patient wishing to improve the aesthetics of her face presented in dentofacial orthopedic consultation. Anamnesis revealed a history of bisphosphonate treatment for osteoporosis. The patient presented a hyperdivergent skeletal class III with laterognathia. The occlusal diagnosis was a class III with premolar and canine open bite, interincisal media discordance and dental crowding. The patient was treated by orthodontics and maxillomandibular osteotomy. A postoperative bone Healing delay of four weeks was recorded. This case report discusses the possibility of performing orthodontic treatment associated with orthognathic surgery in patients treated with bisphosphonates in context of osteoporosis. Orthodontics and maxillofacial surgeons must be prepared for the management of patients treated with bisphosphonates. Studies should be considered in order to specify the optimal methods of management.

OBJECTIVE: To evaluate perceptions of fifth-year dental students\' towards case-based orthodontic education.
METHODS: The sample population consisted of 108 final year dental students (39 men, 69 women) who volunteered to participate in the project during their orthodontic clinical internship. Patient files including extraoral, intraoral photographs, hand-wrist, panoramic and cephalometric radiographs were randomly distributed. Each group presented their evaluations after 1 week. At the end of case discussions, students were given a questionnaire regarding their perceptions of case-based education. Differences in mean scores between groups were compared by independent samples t‑test.
RESULTS: The response rate was 100%. The majority of students strongly agreed that their interest and ability to interpret and diagnose the orthodontic data were increased. More than 60% strongly agreed that this education had a positive effect on their attention and effective learning. More than 45% strongly agreed that their communication with colleagues was increased, and women were significantly more inclined to group work than men (p < 0.05). More than 45% declared no additional burden.
CONCLUSIONS: Orthodontic case-based education was well received by final year dental students. The most noted improvement was observed in motivation, ability to comment on the diagnosis and treatment planning of orthodontic cases, without feeling an extra workload.
UNASSIGNED: ZIEL: Untersucht wurde die Einstellung von Zahnmedizinstudierenden im fünften Studienjahr zur fallbezogenen kieferorthopädischen Ausbildung.
UNASSIGNED: Die Stichprobenpopulation bestand aus 108 Zahnmedizinstudierenden im letzten Studienjahr (39 Männer, 69 Frauen), die während ihres kieferorthopädischen klinischen Praktikums freiwillig an dem Projekt teilnahmen. Die Patientenakten mit extra- und intraoralen Fotos, Hand-Handgelenk‑, Panorama- und Fernröntgenaufnahmen wurden nach dem Zufallsprinzip verteilt. Jede Gruppe präsentierte ihre Auswertungen nach einer Woche. Nach Abschluss der Fallbesprechungen erhielten die Studenten einen Fragebogen zu ihren Wahrnehmungen der fallbezogenen Ausbildung. Die Unterschiede in den Mittelwerten zwischen den Gruppen wurden mit dem t‑Test für unabhängige Stichproben verglichen.
UNASSIGNED: Die Rücklaufquote betrug 100 %. Die Mehrheit der Studierenden stimmte der Aussage, dass ihr Interesse und ihre Fähigkeit, die kieferorthopädischen Daten zu interpretieren und zu diagnostizieren, erhöht worden seien, entschieden zu. Mehr als 60% stimmten deutlich zu, dass diese Ausbildung einen positiven Effekt auf Aufmerksamkeit und effektives Lernen gehabt habe. Mehr als 45% stimmten stark zu, dass ihre Kommunikation mit Kollegen gesteigert worden sei, wobei Frauen signifikant häufiger zur Gruppenarbeit neigten als Männer (p < 0,05). Mehr als 45 % gaben keine zusätzliche Belastung an.
UNASSIGNED: Die fallbezogene kieferorthopädische Ausbildung wurde von den Zahnmedizinstudierenden im letzten Jahr des Studiums gut angenommen. Die am meisten wahrgenommene Verbesserung wurde beobachtet bei der Motivation und der Fähigkeit, die Diagnose und Behandlungsplanung von kieferorthopädischen Fällen zu kommentieren, ohne dass eine zusätzliche Arbeitsbelastung empfunden wurde.