Chairside Time and Bond Failure of Non Custom Versus Custom Base Orthodontic Attachments During Indirect Bonding


compare the chair side time, clinical orthodontic attachment bond failure and accuracy of transfer between non custom attachment base and custom attachment base indirect techniques.

Full Title of Study: “Chairside Time and Bond Failure of Non Custom Versus Custom Base Orthodontic Attachments During Indirect Bonding: A Randomized Clinical Trial”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Other
    • Masking: Double (Participant, Outcomes Assessor)
  • Study Primary Completion Date: January 2019


  • Device: non custom base attachment
    • non custom base attachment
  • Device: custom base attachment
    • custom base attachment

Arms, Groups and Cohorts

  • Experimental: non custom base attachment
  • Active Comparator: custom base attachment

Clinical Trial Outcome Measures

Primary Measures

  • chair side time
    • Time Frame: an average of 30 minutes
    • using stopwatch

Secondary Measures

  • immediate bond failure
    • Time Frame: immediately after bonding
    • number of debonded attachments using hand instrument pressure

Participating in This Clinical Trial

Inclusion Criteria

  • Patients should have 1. Maxillary sound teeth and undergoing fixed orthodontic treatment. 2. Space problems ranging from spacing to mild crowding. 3. Good oral hygiene. Exclusion Criteria:

1. Patients with partially erupted teeth in the maxillary arch . 2. Signs of caries, large restorations fluorosis, hypoplasia or abnormalities of crown morphology. 3. The need of banding. 4. Bad oral hygiene measures.

Gender Eligibility: All

Minimum Age: N/A

Maximum Age: N/A

Are Healthy Volunteers Accepted: Accepts Healthy Volunteers

Investigator Details

  • Lead Sponsor
    • Cairo University
  • Provider of Information About this Clinical Study
    • Principal Investigator: Mohamed Saied Mahmoud Hassan, Principal Investigator – Cairo University

Clinical trials entries are delivered from the US National Institutes of Health and are not reviewed separately by this site. Please see the identifier information above for retrieving further details from the government database.

At, we keep tabs on over 200,000 clinical trials in the US and abroad, using medical data supplied directly by the US National Institutes of Health. Please see the About and Contact page for details.