Comparison of Two Orthodontic Bracket Placement Techniques on Smile Aesthetics in Adults

Effect of Conventional MBT Bracket Positioning And Smile Arc Marginal Ridge Approach (SAMRA) Technique on Smile Aesthetics And Dentition in Adults With Angles Class I Malocclusion: A Randomized Controlled Trial - NIL

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2026/04/108335

Enrollment

Registered

2026-04-13

Start date

Unknown

Completion date

Unknown

Last updated

2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: K089- Disorder of teeth and supporting structures, unspecified

Interventions

Intervention1: Bonding using Smile Arc Marginal Ridge Approach (SAMRA): Informed consent will be obtained from all patients who agree to take part in the study. Separators will be placed mesial and di

Eligibility

Inclusion criteria

Inclusion criteria: 1. Aged between 18 and 30 years 2. Angles Class I Malocclusion 3. Crowding or spacing less than 5 mm 4. Seeking non-extraction comprehensive orthodontic treatment 5. Average facial growth pattern

Exclusion criteria

Exclusion criteria: 1. Patients with severe Open bite and deep bite 2. Patients with gummy smiles 3. Patients requiring Extraction for orthodontic treatment 4. Developmental anomalies of tooth shape and size (peg lateral, microdontia) 5. Craniofacial malformations like cleft lip and palate 6. History of systemic illness 7. Periodontally compromised dentition 8. Previous history of orthodontic therapy

Design outcomes

Primary

Measure	Time frame
To Evaluate and Compare the effect of Conventional MBT Bracket Placement and Smile Arc Marginal Ridge Approach (SAMRA) On Smile Aesthetics And Dentition in Adults with Angles Class I MalocclusionTimepoint: T0 Before the start of the treatment (1 month). T1 After space closure (12 months).	—

Secondary

Measure	Time frame
1.To Evaluate & Compare Smile Arc using Conventional MBT Bracket Placement & SAMRA . 2.To Evaluate & Compare Gingival Display Area using Conventional MBT Bracket Placement & SAMRA. 3.To Evaluate & Compare Modified Smile Index using Conventional MBT Bracket Placement & SAMRA. 4.To Evaluate & Compare Incisor Display Percentage using Conventional MBT Bracket Placement & SAMRA. 5.To Evaluate & Compare the Skeletal & Dental Cephalometric changes in Conventional MBT Bracket Placement & SAMRA.Timepoint: T0 Before the start of the treatment (1 month). T1 After space closure (12 months).	—

Measure

Time frame

1.To Evaluate & Compare Smile Arc using Conventional MBT Bracket Placement & SAMRA . 2.To Evaluate & Compare Gingival Display Area using Conventional MBT Bracket Placement & SAMRA. 3.To Evaluate & Compare Modified Smile Index using Conventional MBT Bracket Placement & SAMRA. 4.To Evaluate & Compare Incisor Display Percentage using Conventional MBT Bracket Placement & SAMRA. 5.To Evaluate & Compare the Skeletal & Dental Cephalometric changes in Conventional MBT Bracket Placement & SAMRA.Timepoint: T0 Before the start of the treatment (1 month). T1 After space closure (12 months).

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Countries

India

Contacts

Public ContactDr Santosh Chavan

Government Dental College and Hospital, Nagpur

drsjchavan@gmail.com9823630486

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: May 1, 2026