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Friction Versus Frictionless Mechanics During Maxillary En-masse Retraction in Adult Patients

NCT03261024 · Status: UNKNOWN · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2017-08-24

No results posted yet for this study

Summary

This study is a Randomized clinical trial comparing the effectiveness of two different mechanics during maxillary en-masse retraction in adult patients. Patients will be randomly divided into two groups:Friction and frictionless mechanics. Mini screws will be used in both group to ensure maximum anchorage during retraction. Lateral cephalometric radiographs and dental models will be taken for each patients pre and post -retraction. Following complete anterior segment retraction, the rate and duration of retraction will be evaluated for both groups as well as patient satisfaction with treatment. Changes in incisors inclination and soft tissue as well as anchorage loss will be also assessed.

Conditions

  • En-masse Retraction , Class I Bimaxillary Protrusion

Interventions

DEVICE

Friction mechanics

Nickel Titanium will be extended from the hook between the lateral incisors and canines to the first molar bands, to allow frictional en-masse retraction of anterior segment.

DEVICE

Frictionless mechanics

T-loops retraction arch will be placed distal to the upper canines and cinched distal to the first molar bands, to allow frictionless en-masse retraction of anterior segment.

Sponsors & Collaborators

  • Cairo University

    lead OTHER

Principal Investigators

  • Fatma A. Abd El Sayed, Professor · Cairo University

  • Fady H. Fahim, lecturer · Cairo University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
30 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2017-11-30
Primary Completion
2019-01-31
Completion
2019-01-31

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03261024 on ClinicalTrials.gov