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Determining Shapes and Dimensions of Dental Arches for the Use in Lingual Technique.

Determining Shapes and Dimensions of Dental Arches for the Use in Lingual Technique.

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03360513
Enrollment
70
Registered
2017-12-04
Start date
2016-08-01
Completion date
2019-03-30
Last updated
2023-08-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dental Arch Relationship Anomaly

Keywords

Orthodontics, Dental arch, Orthodontic appliance design.

Brief summary

This study aims to determine the shape and dimension of dental arches from a lingual perspective, and determine shape and size used for lingual Orthodontics.

Detailed description

The study sample comprised 70 Caucasian Brazilian individuals with normal occlusion and at least four of Andrew's six keys. Maxillary and mandibular dental casts were digitized (3D) and the images were analyzed by Delcam Power SHAPET 2010 software. Landmarks on the lingual surface of teeth were selected to determine the shape and size of dental arches.

Interventions

OTHERgeneral group

The sample comprised maxillary and mandibular dental casts of 70 Caucasian Brazilian individuals (28 men and 42 women) with an average age of 16.4 years, all of which had natural normal occlusion with at least four of the six keys to normal occlusion. 14 The first item of the first key was considered essential for sample selection(Angle Class I molar relationship). Another inclusion criterion was that individuals should be at least 15 years of age with no odontogenic abnormalities and all permanent teeth in occlusion.

Sponsors

Federal University of São Paulo
Lead SponsorOTHER

Study design

Observational model
OTHER
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
15 Years to 21 Years
Healthy volunteers
Yes

Inclusion criteria

criterion was that individuals should be at least 15 years of age all permanent teeth in occlusion -

Exclusion criteria

with no odontogenic abnormalities \-

Design outcomes

Primary

MeasureTime frameDescription
Statistic studysix monthsdescribe arch form similar a mushroom arch

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026