Treatment of Mandibular Impacted Canine in a Patient with Class II Division 1 Malocclusion with “Reverse Pin”: A Case Report

Ciavarella, Domenico; Maci, Marta; Fanelli, Carlotta; Lorusso, Mauro; Laurenziello, Michele; Lo Muzio, Lorenzo; Caroprese, Marino; Cazzolla, Angela Pia; Tepedino, Michele

doi:10.3390/medicina59101774

Cited by 2 publications

(1 citation statement)

References 34 publications

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“…The use of traditional appliance traction was not chosen. In a recent study, with the aim of using controlled light forces, two different dental anchorage traction devices were applied [ 21 ]. In our case, effective anchorage and force control was achieved by using only a single-sided device.…”

Section: Discussionmentioning

confidence: 99%

The Use of CAD/CAM Technology in Mandibular Canine Disimpaction: A Case Report

Germanò,

Guarnieri,

Mezio

et al. 2024

Dentistry Journal

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This case report of an 11-year-old subject shows the digital workflow for the management of an impacted mandibular canine using Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM) technology along with Temporary Anchorage Devices (TADs). The miniscrew insertion site was planned using software, and a surgical guide was digitally designed and 3D printed. Orthodontic traction was performed using a 3D-designed and -printed device. In a single sitting, the miniscrew was inserted and the disimpaction device was also delivered. The primary objective of recovery and the repositioning of the impacted mandibular canine in the axis with its eruptive path was achieved. The space available and the subject’s early stage of mixed dentition was considered favourable to a spontaneous eruption. This case report shows how CAD/CAM digital technology, combined with 3D printing, enables the creation of a surgical guide to position the miniscrew and the customized devices used for mandibular canine disimpaction. CAD/CAM surgical guides can help clinicians to position TADs with more accuracy and predictability, ensuring high quality bone support offering primary stability. Although orthodontic traction is the most complex therapeutic choice to implement, with the aid of CAD/CAM technology it is possible to proceed with accurate and minimally invasive orthodontic traction in order to recover a mandibular canine.

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Section: Discussionmentioning

confidence: 99%

The Use of CAD/CAM Technology in Mandibular Canine Disimpaction: A Case Report

Germanò,

Guarnieri,

Mezio

et al. 2024

Dentistry Journal

View full text Add to dashboard Cite

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Evaluation of occlusal force in Class II subdivision malocclusion

Ciavarella,

Lorusso,

Fanelli

et al. 2024

J of Oral Rehabilitation

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BackgroundClass II subdivision is a malocclusion characterized by dental and functional asymmetry that is difficult to manage. Impaired muscle function can result in asymmetrical growth, leading to occlusal instability.Objective(s)The study aimed to assess occlusal force in patients with Class II subdivision malocclusion using Innobyte. Additionally, the discrepancies of force generated at the position of maximum intercuspidation between the left and right sides of the arches were evaluated.MethodsThe occlusal force of 66 patients with Class II subdivision malocclusion (group S) was measured and compared with that of 66 patients with Class I (group I) and 66 patients with Class II malocclusion (group II). The S group patients had a Class I molar on the right side and a Class II molar on the left side. ANOVA test, followed by the Games‐Howell post hoc test, was performed to compare the mean of the total force among the groups. To assess the difference in force between the right and left arches, one‐way ANOVA test followed by Tukey's post hoc comparison was performed. Finally, a boxplot was created to show the trend of occlusal force recorded in the three groups of patients.ResultsThe occlusal force differed significantly among the groups (p < .001). Post hoc Games‐Howell analysis showed significant differences as follows: the total force in group S was 165.24 N greater than in group II and in group I was 218.06 N greater than in group II. The difference (right–left) in total force between the groups was statistically significant (p < .001). Tukey's post hoc test showed following significant correlation: in group S was 53.51 N greater than in group II and 63.12 N greater than in group I.ConclusionsAmong the analysed groups, patients with Class II malocclusion exhibited the lowest value of occlusal force. In patients with Class II subdivision malocclusion, force asymmetry, characterised by a higher value on the Class I side and a lower value on the Class II side was observed.

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Treatment of Mandibular Impacted Canine in a Patient with Class II Division 1 Malocclusion with “Reverse Pin”: A Case Report

Cited by 2 publications

References 34 publications

The Use of CAD/CAM Technology in Mandibular Canine Disimpaction: A Case Report

The Use of CAD/CAM Technology in Mandibular Canine Disimpaction: A Case Report

Evaluation of occlusal force in Class II subdivision malocclusion

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