Severe complication of a bonded mandibular lingual retainer

Pazera, Pawel; Fudalej, Piotr; Katsaros, Christos

doi:10.1016/j.ajodo.2012.01.019

Cited by 94 publications

(93 citation statements)

References 6 publications

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“…5 However, when the flexible wire retainers become activated, crown displacement or torque movements of the roots of the incisors or canines can make retreatment necessary. 1 Pazera et al 6 reported a case in which the root of the mandibular right canine had moved buccally as a result of a broken 3 3 3 bonded retainer, and they considered it the result of wire deflection during the bonding process or even a mechanical deformation in the posttreatment period. However, since the root did not perforate the soft tissue and also retained its vitality, the authors were able to successfully reposition the root.…”

mentioning

confidence: 98%

Orthodontic treatment of a mandibular incisor fenestration resulting from a broken retainer

Farret¹,

Farret

Vieira

et al. 2015

American Journal of Orthodontics and Dentofacial Orthopedics

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This article describes the orthodontic relapse with mandibular incisor fenestration in a 36-year-old man who had undergone orthodontic treatment 21 years previously. The patient reported that his mandibular 3 × 3 bonded retainer had been partially debonded and broken 4 years earlier. The mandibular left lateral incisor remained bonded to the retainer and received the entire load of the incisors; consequently, there was extreme labial movement of the root, resulting in dental avulsion. As part of the treatment, the root was repositioned lingually using a titanium-molybdenum segmented archwire for 8 months, followed by endodontic treatment, an apicoectomy, and 4 months of alignment and leveling of both arches. The treatment outcomes were excellent, and the tooth remained stable, with good integrity of the mesial, distal, and lingual alveolar bones and periodontal ligament. The 1-year follow-up showed good stability of the results.

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mentioning

confidence: 98%

Orthodontic treatment of a mandibular incisor fenestration resulting from a broken retainer

Farret¹,

Farret

Vieira

et al. 2015

American Journal of Orthodontics and Dentofacial Orthopedics

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“…Hence these retention protocols are today's gold standard [9,23]. Recently, however, reports have increasingly been published on distinct changes in lower anterior tooth position during and despite the use of permanent lingual retainers, in some cases to the point of requiring a second course of orthodontic treatment [9,18]. Interestingly, these changes are unrelated to the pretreatment tooth positions and thus should not be discussed in terms of orthodontic relapse.…”

Section: Introductionmentioning

confidence: 99%

Post-treatment changes in permanent retention

Wolf

Schulte

Küpper³

et al. 2016

J Orofac Orthop

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OBJECTIVES While permanent retention is today the method of choice to stabilize orthodontic treatment outcomes, recent studies have increasingly reported posttreatment changes in tooth position during permanent retention. We conducted this study to analyze changes in the anterior mandible, whether the changes follow an underlying movement pattern, and, aiming for a preventive strategy, whether any risk factors could be identified comparing findings with the pretreatment situations. METH-ODS We included 30 patients who had worn fixed Twistflex retainers (UK 3-3) extending from canine to canine in the mandible. Casts reflecting the intraoral situations before orthodontic treatment (T0), directly after completion of active therapy (T1), and 6 months later (T2) were scanned and superimposed using Imageware Surfacer software. Posttreatment changes (T2-T1) of tooth position within the retainer block were analyzed on 3D virtual models and were compared to pretreatment (T0) and treatment-related (T1-T0) findings to identify potential risk factors. RESULTS Almost all analyzed patients revealed three-dimensional changes in tooth position within the retainer block. Comparing these movements, we repeatedly found rotated retainer blocks in labio-oral direction, while the center of rotation was located at the first incisors. This pattern was associated with intercanine expansion and excessive overjet correction during orthodontic treatment. The canines underwent the most pronounced (rotational and translational) movements. CONCLUSIONS In general permanent lingual retainers are safe but in special clinical cases retainers can induce undesired tooth movement. Risk factors seem to be intercanine expansion and excessive overjet correction during orthodontic treatment. In specific cases an additional retention device might be needed. AbstractObjectives. While permanent retention is today frequently the method of choice to stabilize orthodontic treatment outcomes, recent studies have increasingly reported posttreatment changes in tooth position during permanent retention. We conducted this study to analyze such changes in the anterior mandible, whether these follow an underlying movement pattern, and, aiming for a preventive strategy, whether any risk factors could be identified by comparing findings to the pretreatment situations. Methods.We included 30 patients who had worn a fixed Twistflex retainer extending from canine to canine in the mandible. Casts reflecting the intraoral situations before orthodontic treatment (T0), directly upon completion of active therapy (T1), and 6 months into retention (T2) were scanned and superposed using Imageware Surfacer software. Posttreatment changes (T2−T1) in tooth position inside the retainer block were analyzed on 3D virtual models and were compared to pretreatment (T0) and treatment-related (T1−T0) findings to identify potential risk factors.Results. Almost all patients revealed three-dimensional changes in tooth position within the retainer block. On comparing these movements...

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“…Ancak, retainer yapımı sonrası düzenli hekim kontrolünün olması gereliliği çoğu yazar tarafından vurgulanmıştır. Literatür-de, bu retainerlarda oluşan kopma veya deformasyona bağlı istenmeyen diş hareketlerini olduğunu gösteren vaka raporları da dikkat çekmektedir 32,33 . Dietrich ve arkadaşlarının 45 .…”

Section: Sabi̇t Retai̇ner Yapiminda Kullanilan Materyallerunclassified

Sabi̇t Li̇ngual Retai̇ner Yapiminda Kullanilan Materyaller Ve Uygulama Yöntemleri̇

Biçer¹,

El²

2015

Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

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Severe complication of a bonded mandibular lingual retainer

Cited by 94 publications

References 6 publications

Orthodontic treatment of a mandibular incisor fenestration resulting from a broken retainer

Orthodontic treatment of a mandibular incisor fenestration resulting from a broken retainer

Post-treatment changes in permanent retention

Sabi̇t Li̇ngual Retai̇ner Yapiminda Kullanilan Materyaller Ve Uygulama Yöntemleri̇

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