Actively Recruiting

Phase Not Applicable
Age: 15Years +
All Genders
ID07039071

Evaluation of Clinical and Patient-Reported Outcomes of Laceback: A Split-Mouth Randomised Controlled Trial

Led by International Islamic University Malaysia · Updated on 2026-05-13

38

Participants Needed

1

Research Sites

13 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating the clinical and patient-reported effects of using lacebacks during the alignment phase of orthodontic fixed appliance treatment for patients with malocclusion. The study aims to understand how lacebacks influence oral hygiene, the frequency of archwire and laceback complications, and pain experienced by patients. This trial uses a split-mouth design where one side of the mouth receives lacebacks and the other side does not, allowing direct comparison within each participant. Participants will receive standard braces, and one side of their mouth will be randomly assigned to have lacebacks placed on both upper and lower arches, while the other side will not. After braces placement, lacebacks are applied one week later, with baseline oral hygiene measured at that time. Participants continue usual oral hygiene practices while researchers monitor complications and pain over an 8-week period, collecting data at 4 and 8 weeks through plaque scoring, pain diaries, and records of any device issues. During the study, participants must report any suspected breakages or loose components for emergency visits. Pain levels are recorded at multiple time points using a pain diary with a visual scale. Researchers assess oral hygiene with the Orthodontic Plaque Index and track archwire and laceback complications throughout. The total participation includes initial placement, two follow-up visits at 4 and 8 weeks, and ongoing monitoring of symptoms and complications during this period.

CONDITIONS

Brief Title

Evaluation of Clinical and Patient-Reported Outcomes of Laceback

Who Can Participate

Age: 15Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age 15 years and older
  • Medically fit and well
  • Good oral hygiene with no dental caries and Basic Periodontal Examination score of 0
  • Undergoing full upper and lower fixed orthodontic treatment bonded to first permanent molars
  • Using a pre-adjusted edgewise appliance with 0.022" slot, MBT prescription, Master Series�ae brackets
  • Having bilateral extraction of upper and lower first or second premolars
  • No previous orthodontic treatment
Not Eligible

You will not qualify if you...

  • Craniofacial deformities
  • Mental or physical disability causing impaired manual dexterity or difficulty following oral hygiene instructions
  • Underlying chronic medical illness or oral diseases

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Treatment

Duration - 8 weeks

Participants receive fixed orthodontic braces. One week after braces are put on, laceback is placed on one side of the oral cavity as assigned. Participants carry out usual oral hygiene practices and fill a pain diary for 4 weeks at specific time points.

1 visit to place laceback and baseline records, then emergency visits as needed

Follow-up

Duration - Up to 2 visits over 8 weeks

Participants return for recall visits at 4 weeks and 8 weeks after laceback placement for collection of pain diaries, plaque scoring, and assessment of any archwire or laceback complications.

2 visits (in-person)

Trial Site Locations

Total: 1 location

1

Department of Orthodontics, Kulliyah of Dentistry, International Islamic University Malaysia

Kuantan, Pahang, Malaysia, 25200

Actively Recruiting

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Research Team

D

Dr. Tan Loon Han

A

Assistant Professor Dr. Siti Hajjar Binti Nasir

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

SUPPORTIVE_CARE

Number of Arms

2

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Published Research Related To This Trial

Why do nickel-titanium archwires fracture intraorally? Fractographic analysis and failure mechanism of in-vivo fractured wires.

Spiros Zinelis, Theodore Eliades, Nikolaos Pandis...

https://pubmed.ncbi.nlm.nih.gov/17628255

The revised International Association for the Study of Pain definition of pain: concepts, challenges, and compromises.

Srinivasa N Raja, Daniel B Carr, Milton Cohen...

https://pubmed.ncbi.nlm.nih.gov/32694387