Restorative and Invisalign®: A New Approach

Norris, Robert A.; Brandt, Douglas J.; Crawford, Craig; Fallah, M.H.

doi:10.1111/j.1708-8240.2002.tb00167.x

Cited by 18 publications

(4 citation statements)

References 6 publications

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“…S ince the introduction of Invisalign treatment, 1,2 controversy has existed over whether moderate to difficult orthodontic treatment can be routinely accomplished with the Invisalign system. [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19] Several earlier studies 12,[17][18][19] showed significant limitations in treatment for these complex patients, while more recent case reports 11,[13][14][15] have shown successfully completed moderate to difficult orthodontic malocclusions. One reason for the discrepancy is that the earlier studies were done during the first four years of the appliance development, when significant problems existed with accomplishing bodily movement, torquing of roots, extrusions, and rotations of premolars and canines.…”

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confidence: 99%

Esthetic Orthodontic Treatment Using the Invisalign Appliance for Moderate to Complex Malocclusions

Boyd¹

2008

Journal of Dental Education

124

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In this report, three patients were treated with a new treatment protocol for Invisalign to demonstrate that a variety of complex malocclusions can be successfully treated using this protocol, including correction of moderate crowding, correction of moderate Class II division 1, and deep overbite. Previous studies of Invisalign showed significant limitations for more complex orthodontic treatment, although a few recent case reports have shown successfully completed moderate to difficult orthodontic malocclusions. One reason for the discrepancy is that the earlier studies were done during the first four years of the appliance development (now ten years of clinical use), when significant problems existed with accomplishing bodily movement, torquing of roots, extrusions, and rotations of premolars and canines. The new protocol included new methods for anterior/posterior corrections, showing on the computer the effect of elastics for Class II treatment simulated as a one-stage anterior/posterior movement at the end of treatment. Staging for interproximal reduction (IPR) is now automatically staged when there is better access to interproximal contacts to avoid IPR where significant overlap between teeth is present to avoid performing IPR on surfaces that may be damaged by instruments such as burs, strips, and disks when cut on a sharp angle. Staging for tooth movements is now also done to enable combination movements to occur simultaneously for each tooth with the tooth that needs to move the most (the lead tooth) determining the minimum number of stages required. All other teeth move at a slower rate than the lead tooth throughout the duration of treatment. Attachments are now placed in the middle of the crown automatically for rotation and automatically sized in proportion to the clinical crown. Use of 1 mm thick (buccal-lingual dimension) horizontal beveled rectangular attachments is standard on premolars for retention of aligners during intrusive movements, such as leveling the lower curve of Spee in deep overbite for extrusions and for control of the tooth long axis during torquing movements. Staging of tooth movements now track linear and rotational velocities of teeth separately with the number of treatment stages determined by the lead tooth based on its rotational or linear maximum velocities at no more than two degrees of rotation per stage. Simultaneous movements are done for all teeth providing visible space (approximately 0.05 mm) between teeth during movements past other teeth using expansion instead of IPR as a primary way to increase space available for correction of crowding.

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confidence: 99%

Esthetic Orthodontic Treatment Using the Invisalign Appliance for Moderate to Complex Malocclusions

Boyd¹

2008

Journal of Dental Education

124

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“…Les améliorations des dispositifs apportées par la suite et l'habileté des cliniciens ont permis d'élargir les possibilités thérapeutiques. De multiples travaux ont évalué l'efficacité de la réduction amélaire interproximale [70,73], des attachements [70], des mécaniques de fermeture [32,49,62,131] et réouverture d'espaces [100], ainsi que les préparations chirurgicales [15,130]. Sur la grille de cotation de LBO, les cas traités en 2005 par Invisalign avaient un score de 27 % inférieur aux autres cas [123].…”

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Les appareils orthodontiques invisibles et presque invisibles

Baron¹

2014

Orthod Fr

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La demande des patients en appareil esthétique non visible est en permanente augmentation. Deux types d’orthodontie permettent d’obtenir un taux d’acceptabilité convenable auprès des patients. La technique linguale a évolué constamment en proposant des attaches pré-fabriquées ou des attaches sur mesure. Les possibilités techniques et les résultats ont été améliorés avec le temps. Les gouttières thermoplastiques sont une alternative aux dispositifs linguaux et sont en plein essor. Leurs propriétés spécifiques permettent de mieux apprécier leurs indications et leurs limites. Une revue de la littérature, l’évolution des systèmes et la présentation de quelques exemples cliniques de cas traités nous permettent de donner des éléments de compréhension de chacun de ces deux types d’appareil et de mettre en évidence les avantages et les inconvénients de chacun d’eux.

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“…Aligning the teeth first can reduce the amount of tooth preparation and it can also improve oral hygiene and provide a healthier periodontium. 14 The current clinical case reports an interdisciplinary approach for tooth wear management. The patient first underwent a preventive phase and then he received orthodontic appliance to align the teeth.…”

Section: Introductionmentioning

confidence: 99%

Management of Tooth Wear: An Interdisciplinary Approach

Leung¹,

Botelho²,

Yang³

et al. 2016

International Journal of Experimental Dental Science

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Aims This case report aims to describe a conservative interdisciplinary approach to restore generalized tooth wear complicated with malalignment of teeth. Introduction Tooth wear is the surface loss of dental hard tissue, i.e., usually multifactorial in origin, excluding other than caries, trauma, or developmental disorder. Severe tooth wear impact the appearance, comfort, function, or longevity of the tooth. Prosthodontic management of patients with tooth wear has been well documented, although prosthodontic treatment is designed to correct minor malocclusion, patients with moderate-to-severe malocclusion accompanied by generalized tooth wear may require preprosthetic orthodontic intervention. Case report This case report describes a 47-year-old male patient with generalized tooth wear complicated with lack of interocclusal space and malalignment of teeth. Preventive measures were carried out to address the etiological factors of tooth wear. After orthodontic treatment, definitive restoration was placed in reorganized occlusion at an increased vertical dimension, which restored esthetic and function. Conclusion In this clinical report, generalized tooth wear with insufficient space for restoration, complicated by malalignment of teeth, was managed by way of an interdisciplinary approach which allowed a conservative full-mouth rehabilitation. After orthodontic treatment, a reorganized restorative approach was undertaken at an increased vertical dimension, providing an esthetic and functional solution. An occlusal night guard was provided to protect the dental restorations. Clinical Significance Interdisciplinary approach allows a conservative management for patient with tooth wear complicated by malalignment of teeth. How to cite this article Leung TM, Botelho MG, Yang Y, Ho EHT. Management of Tooth Wear: An Interdisciplinary Approach. Int J Experiment Dent Sci 2016;5(2):139-145.

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Restorative and Invisalign®: A New Approach

Cited by 18 publications

References 6 publications

Esthetic Orthodontic Treatment Using the Invisalign Appliance for Moderate to Complex Malocclusions

Esthetic Orthodontic Treatment Using the Invisalign Appliance for Moderate to Complex Malocclusions

Les appareils orthodontiques invisibles et presque invisibles

Management of Tooth Wear: An Interdisciplinary Approach

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