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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05644119
Other study ID # 084-09-22
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date November 1, 2022
Est. completion date October 31, 2023

Study information

Verified date November 2022
Source King Abdulaziz University
Contact Talal Zahid, M.S
Phone 00966554667998
Email tzahid@kau.edu.sa
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this split-mouth, head-to-head, randomized controlled trial is to compare the effects of a fixed straight retainer with the V- loop bonded retainer on periodontal health in patients with the requirement of continuous fixed retention for 12-24 months after orthodontic treatment. The main question it aims to answer is whether the V- loop bonded retainer is more effective than fixed straight retainer for periodontal health management. Each patient will receive 2 lower fixed and bonded retainers: (1) a straight wire retainer (SWR) and (2) a looped wire retainer (LWR). Patients will be asked to floss once daily with a thread flosser. Researchers will compare the effects of two types of retainers to see if there is a statistically significant difference.


Description:

Ensuring alignment stability is a major challenge for orthodontists following an orthodontic treatment. This has led to the development of various orthodontic retention methods to enhance stability. Both fixed and removable retainers have been in use for years. However, most orthodontists nowadays prefer fixed bonded retainers over removable ones due to their many advantages, including easy to wear, being patient compliance free, long-term usability and stability, and better aesthetics. Over the past decades, many variations of fixed retainers have been developed. Of these, the current gold standard is the straight type flexible spiral (multistranded) wire retainer. Nevertheless, a major concern of using fixed straight retainers is the potential for periodontal health compromise. They are known to make oral hygiene maintenance more difficult for the patient, which in turn may lead to periodontal diseases due to more plaque and calculus accumulation. The wave or V- loop bonded retainer may be a solution to this problem, as it provides stability of teeth yet allows flossing with ease.


Recruitment information / eligibility

Status Recruiting
Enrollment 50
Est. completion date October 31, 2023
Est. primary completion date June 30, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 12 Years to 40 Years
Eligibility Inclusion Criteria: - Patients in need of continuous fixed retention for 12-24 months after orthodontic treatment - Good periodontal health (i.e., no clinical attachment loss and < 10% bleeding on probing) Exclusion Criteria: - History of oral prophylaxis in the past 6 months - History of any systemic illness such as diabetes - Preexisting or post-orthodontic periodontal disease - Current intake of antibiotic and/or anti-inflammatory medications - Smoking - Pregnancy

Study Design


Related Conditions & MeSH terms


Intervention

Device:
V- loop Bonded Orthodontic Retainer
The V- loop bonded retainer is a unique design that not just provides tooth stability but also allows flossing with ease.
Straight Wire Retainer
The straight wire retainer is a fixed bonded orthodontic retainer. This involves attaching a metal wire to the back of the teeth to keep it in position.

Locations

Country Name City State
Saudi Arabia King Abdulaziz University, Department of Periodontics Jeddah

Sponsors (1)

Lead Sponsor Collaborator
King Abdulaziz University

Country where clinical trial is conducted

Saudi Arabia, 

Outcome

Type Measure Description Time frame Safety issue
Primary Evaluation of retainer failures and teeth stability through clinical examination The examination will be carried out for each participant to assess the final outcome of bonds of assigned intervention immediately following the orthodontic treatment and after intervals of six months and two years. Approximately 2 years
Primary Measurement of the Little's Irregularity Index to assess the crowding of Mandibular anterior arch The examination will be carried out for each participant to assess the final outcome assigned interventions immediately following the orthodontic treatment and after intervals of six months and two years.
The scale of the index includes the following:
0: Perfect Alignment
1-3: Minimal Irregularity
4-6: Moderate Irregularity
7-9: Severe Irregularity
10: Very Severe Irregularity
The value represents the total horizontal displacement of the anatomical contact points of the mandibular anterior teeth in millimeters.
Approximately 2 years
Secondary Change from Baseline (immediately following the orthodontic treatment) in gingivitis on the 4-point Modified Gingival Index (MGI) at the short-term (6 months) and long-term (2 years) The MGI is a non-invasive visual instrument designed to evaluate the progression of gingivitis. The scale ranges from 0 (normal gingiva) to 3. (severe inflammation with tendency to spontaneous bleeding). Change = (Year 2 Score - Baseline Score) Approximately 2 years
Secondary Change from Baseline (immediately following the orthodontic treatment) in plaque accumulation on O'leary Plaque Index (PI) at the short-term (6 months) and long-term (2 years) The PI is a valid and reliable assessment tool that records the presence of mineralized deposits and soft debris on all 4 surfaces of every tooth. It utilizes a rating scale from 0 (no plaque) to 1 (plaque present at gingival margin). Change = (Year 2 Score - Baseline Score) Approximately 2 years
Secondary Change from Baseline (immediately following the orthodontic treatment) in gingival bleeding on the Gingival Bleeding Index (GBI) by Ainamo and Bay at the short-term (6 months) and long-term (2 years) The GBI is a reliable measure of periodontal stability. It uses delicate probing of the gingival sulcus orifice. Using a standardized periodontal probe with a 0.6 mm tip and 1 mm marking, the bleeding on probing (BOP) will be evaluated. A skilled examiner will measure BOP using probes with 0.25 N or less of force (25 g). If bleeding starts within 10 seconds, a positive finding is recorded. Approximately 2 years
Secondary Change from Baseline (immediately following the orthodontic treatment) in oral hygiene questionnaire at the short-term (6 months) and long-term (2 years) Participants will be adminstered a self-reported oral hygiene questionnaire on brushing and flossing frequency, patient satisfaction with the retainers, and ease of flossing to determine their overall satisfaction with the interventions. Approximately 2 years
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