The nance lingual arch: an auxiliary device in solving lower anterior crowding

Almeida, Renato Rodrigues de; Oltramari-Navarro, Paula Vanessa Pedron; Almeida, Márcio Rodrigues de; Conti, Ana Cláudia de Castro Ferreira; Navarro, Ricardo de Lima; Pacenko, Murilo Rizental

doi:10.1590/s0103-64402011000400012

Cited by 7 publications

(7 citation statements)

References 10 publications

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“…Therefore, it was suggested that an appropriate amount of leeway space was crucial to the normal development of the permanent dentition 5) . Since that report, other studies have suggested that crowding of the mandibular anterior teeth could be improved by the wearing of a lingual arch and the utilization of leeway space 2,6,16) . The authors of one recent case report noted that if crowding is moderate, it can be improved by making good use of leeway space during orthodontic treatment 13) .…”

Section: Introductionmentioning

confidence: 94%

Reconsideration of Leeway Space Calculated Using Models from Same Patients at Different Growth Stages

Imai

Sakurai

Shintani

2022

Bull. Tokyo Dent. Coll.

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In this study, original leeway space was determined using plaster models prepared from the same individuals over successive years and compared with that reported in an earlier study. The plaster models used for measurement were prepared from a normal dentition group comprising 64 patients and a crowded dentition group comprising 29. The mesiodistal crown width of the deciduous canines, deciduous first molars, and deciduous second molars, as well as that of the canines, first premolars, and second premolars was measured. Leeway space was then calculated and the results compared with that previously reported. The average maxillary and mandibular leeway spaces calculated in the same individuals were 1.46 and 2.66 mm, respectively, whereas those calculated from data collected from different individuals were 0.89 and 2.83 mm, respectively. No direct statistical comparison of leeway space between this and the earlier report was possible. The present results did indicate, however, that it was larger in the maxilla than previously reported. A larger leeway space is advantageous for the normal arrangement of the permanent teeth. While the mesiodistal crown width of some of the lateral segment teeth in the present study was significantly larger in boys than in girls, no significant difference was observed in leeway space between sexes. The mesiodistal width was larger in multiple permanent teeth such as canines in the crowded dentition group, and this difference was significant in boys. On the other hand, no difference was observed in mesiodistal width in the deciduous teeth between the two groups. These results showed a tendency toward larger teeth and less leeway space in the permanent dentition in the crowded dentition group, which may have been a factor in why such crowding occurred.

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Section: Introductionmentioning

confidence: 94%

Reconsideration of Leeway Space Calculated Using Models from Same Patients at Different Growth Stages

Imai

Sakurai

Shintani

2022

Bull. Tokyo Dent. Coll.

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“…2,8,11,12 Ancak bu dönemde çapra-şıklığın görülmesi durumunda daimi dişlenmede de yüksek oranda çapraşıklık görülmesi beklenir. 2,8,13,14 Bu dönemde dişlerin sürme sırası alt ve üst çene için de olmak üzere orta kesici (önce alt), yan kesici (önce üst), birinci azı, kanin ve ikinci azı şeklindedir. 5 Süt dişlerinin temel fonksiyonları; çiğnemeyi, estetiği, konuşmanın gelişimini sağlamak ve zararlı ağız alışkanlıklarını önlemek, yüz yüksekliğinin gelişimine katkıda bulunmak, daimi dişlerin sür-meleri sırasında onlara rehberlik etmek ve normal koşullarda kişinin ideal okluzyona ulaşmasını sağ-lamaktır.…”

Section: Di̇şsi̇z Dönemunclassified

Development of Occlusion from the Toothless Period Up to the Permanent Dentition

Çayönü¹,

Yüksel²,

Sarı³

2020

Turkiye Klinikleri J Dental Sci

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Ö ÖZ ZE ET T Daimi dentisyonda uyumlu, fonksiyonel ve estetik olarak kabul edilir bir okluzyon kurulması için diş-siz dönemden itibaren birçok fizyolojik durum ve mekanizma bulunmaktadır. Daimi dentisyonda görüldü-ğünde anomali olarak kabul edilmesine karşılık okluzyonun kurulumu aşamasında kendi dönemi için fizyolojik olan geçiş dönemleri bulunmaktadır. Dişsiz dönemde (0-6 ay), büyüme ve gelişimle beraber çene kemiklerinin uzayın her üç yönünde büyümesi ile dişlerin sürmesi için gereken yer sağlanmaktadır. Süt diş-lenme döneminde (6 ay-6 yaş) ise fizyolojik boşluklar, ikinci süt azı ve süt kanin dişlerinin kapanış ilişkisi, alt ve üst süt dişi arklarının özellikleri gibi durumlar daimi dişlerdeki okluzyonun belirlenmesinde esas rolü üstlenmektedir. Bu dönemde çapraşıklığın görülmesi durumunda daimi dişlenmede de yüksek oranda çap-raşıklık görülmesi beklenmektedir. Süt ve daimi dişlerin bir arada bulunması nedeniyle karışık dişlenme dö-nemi (6-12 yaş) olarak adlandırılan bir diğer dönem erken (birinci) ve geç (ikinci) olmak üzere iki aşamada tamamlanmaktadır. Süt keserler arasındaki fizyolojik boşlukların kullanılması, daimi kesici dişlerin artmış eğimle sürmeleri, maymun diastemasının kullanılması ve interkanin genişliğin artışı tüm dişlerin okluzyon ilişkisini belirlemesi bakımından son derece önemlidir. Daimi dişlenme dönemi ise en son süt dişinin düşmesi ve ikinci büyük azı dişlerinin sürmesiyle başlar ve ömür boyu sürmektedir. Çocuk diş hekimlerinin, gelişen okluzyondaki bu anormal durumları ve problemleri tanımlama, ayırt etme, uygun olarak yönetme ve zamanında müdahale etme bilgi ve becerisine sahip olması için okluzyonun kurulumu hakkında bilgi sahibi olmaları gerekmektedir. Bu fizyolojik durum ve mekanizmaların bilinmesi hastalara gereksiz bir tedavi uygulanmasını engelleyebileceği gibi gerçekten anomali olan durumu da erken teşhis edip zamanında mü-dahale edimesine yardımcı olacaktır.A An na ah ht ta ar r K Ke el li im me el le er r: : Diş oklüzyonu; diş çıkarma, karışık; diş çıkarma, kalıcı; diş, geçici; erken tanı A AB BS ST TR RA AC CT T There are many physiological conditions and mechanisms from the period of the toothless period to the end of the permanent dentition period in order for the occlusion to be compatible, functional and aesthetically terminated. Conditions that can be considered anomalies when seen in the permanent dentition are considered physiologically acceptable transition periods for the interval when they are seen in the course of the occlusion setup. In the toothless period (0-6 months), along with growth and development, the jawbone grows in all three directions of space to provide the necessary space for the teeth to eruption. In the dairy period (6 months -6 years), the conditions such as the physiological spaces, the occlusal relation of the primary second molar and the primary canine, and the characteristics of the lower and upper arch forms play an essential role in determining the occlusion in the permanent teeth. In this period, the appearance of crowding is regarded as ...

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“…유치의 순차적인 인접면 disking은 1960년대 Hotz 23) 에 의해 소개된 이후 많은 임상가들이 22,24) 유견치와 유구치의 인접면 삭 제를 통한 전치부 총생의 치료법에 대해 보고하였다. 3,25,29) (Fig. 16).…”

Section: 치간삭제(Disking) / 순차적 치간삭제(Sequent Disking)unclassified

Clinical Implications of the Premature Loss of the Mandibular Primary Canine

Lee¹

2015

THE JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY

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The premature loss of the mandibular primary canine is relatively frequent and a sign of the upcoming space problems in the transitional period. This situation is caused by the permanent lateral incisor resorbing the root of the primary canine during its eruption. Bilateral loss of primary canines in a crowded arch leads to the lingual tipping of the permanent incisors, with the consequent reduction in the arch perimeter and increase in overbite. When the loss of a primary canine is unilateral, tipping of the adjacent incisors occurs toward the space, resulting in midline deviation. In these situations, treatment possibilities, such as extraction of the antimeric tooth or placement of a passive lingual arch, can be applied; although there are some controversies concerning this. Most space problems with less than 4 mm can be resolved through preservation of the leeway space using sequential disking of the primary teeth and a passive lingual arch, regaining space or limited arch expansion in the late mixed dentition. In cases with 4~6 mm of space problems, arch expansion (A-P or transverse) can be applied. Space problems with more than 6 mm should be treated through diagnosis and treatment planning. Most of these cases will require extraction of permanent teeth including serial extraction (guidance of eruption).

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The nance lingual arch: an auxiliary device in solving lower anterior crowding

Cited by 7 publications

References 10 publications

Reconsideration of Leeway Space Calculated Using Models from Same Patients at Different Growth Stages

Reconsideration of Leeway Space Calculated Using Models from Same Patients at Different Growth Stages

Development of Occlusion from the Toothless Period Up to the Permanent Dentition

Clinical Implications of the Premature Loss of the Mandibular Primary Canine

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