Efficiency Of Different Intraoral Scanning Techniques In Orthodontic Patients Before And After Brackets Positioning: A Cross Sectional Study

A Cross-sectional study, in which we compare the efficiency of different scanning techniques in orthodontic patients before and after brackets positioning.

Scanning of the maxillary and mandibular dental arch will be performed for the same group of patients twice. The first time is before bracket positioning using two different scanners and the three different techniques. The second time is after brackets positioning using the same two different scanners and the same three different scanning techniques.

Then these scans will be compared to by superimposition techniques and linear measurement techniques.

Study Overview

• Status: Completed
• Conditions: Digital Orthodontics
• Intervention / Treatment: Other: digital arch scanning

Detailed Description

In this study two scanners will be utilized Medit i500 and Trios 3. For each scanner three techniques will be used at two different interventions. One before brackets positioning and the other after bracket positioning. American orthodontics ROTH prescription, 0.022 slot metal brackets will be positioned using direct bonding technique.

Three different scanning techniques will be used: buccopalatal technique, S-shaped technique and palatobuccal technique. The buccopalatal technique (A) involves scanning the arch top side starting from the left second molar then run longitudinally to the contra-lateral one. Then go to the buccal side scan from this right side to the contra-lateral side and then palatal scan. Palatal scan done in two steps first was with counterclockwise movement along the palatal vault and then longitudinal movement in postro-anterior direction.

The S-shaped technique (B) involves scanning the arch starting from the palatal side of the left second molar then moving the scanner tip in alternating palatobuccal and buccopalatal S-shaped movement along the arch to the contra-lateral side. Then scanning the mid area of the palate by longitudinal movement in postro-anterior direction.

The palatobuccal technique (c) done by scanning the arch top side first starting from the left second molar runs longitudinally to the contralateral side. Then start palatal scanning by moving the scanner tip with circular movement in a clockwise direction across the palatal vault from the right-side second molar then along the palate to the contralateral second molar. Then the same circular scanning but in the counterclockwise direction to record the remaining part of the palate staring from the left second molar to the contralateral one. The buccal scan will follow starting from the right second molar then run longitudinally to the contralateral side.

• Study Type: Observational
• Enrollment (Actual): 10

Contacts and Locations

Study Locations

• Egypt
  • Cairo, Egypt, 12613
    • Cairo university

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 11 years to 16 years (Child, Adult)
• Accepts Healthy Volunteers: N/A
• Genders Eligible for Study: All

• Sampling Method: Non-Probability Sample

Study Population

Adolescent patients with Fully erupted permanent dentition from second molar to the contra lateral second molar in both jaws.

Description

Inclusion Criteria:

Adolescent patients.

Fully erupted permanent dentition from second molar to the contra lateral second molar in both jaws.

Exclusion Criteria:

Severe degree of malocclusion that prevent full arch bracket positioning

Dento-facial deformity such as cleft lip/ palate or cranio-facial syndrome.

Severe Skeletal discrepancy in any of the three planes of space.

TMD problem

Limited mouth opening

Presence of crowns or bridges.

Study Plan

How is the study designed?

Design Details

• Observational Models: Other
• Time Perspectives: Cross-Sectional

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Time Frame
Comparison of repeatability between in-vivo and ex-vivo scans	2 to 3 weeks

Secondary Outcome Measures

Outcome Measure	Time Frame
The effect of the type of the scanner on the scanning quality.	2 to 3 weeks
The effect of the bracket presence on the scanning quality.	2 to 3 weeks

Collaborators and Investigators

• Sponsor: Cairo University

Study record dates

Study Major Dates

• Study Start (Actual): February 12, 2022
• Primary Completion (Actual): April 1, 2022
• Study Completion (Actual): April 1, 2022

Study Registration Dates

• First Submitted: May 20, 2022
• First Submitted That Met QC Criteria: May 24, 2022
• First Posted (Actual): May 25, 2022

Study Record Updates

• Last Update Posted (Actual): May 25, 2022
• Last Update Submitted That Met QC Criteria: May 24, 2022
• Last Verified: May 1, 2022

More Information

Terms related to this study

• Other Study ID Numbers: 14422020488903

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: Undecided

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No