Clinical and Radiographic Evaluation of Different Thickness of Vacuum Formed Retainer (Essix Retainer) During Retention Phase After Orthodontic Treatment

Status

UNKNOWN

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04149366

Enrollment

Registered

2019-11-04

Start date

2019-10-29

Completion date

2020-10-25

Last updated

2019-11-04

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

Conditions

Temporomandibular Joint Disorders After Using Essix Retainer

Brief summary

vacuum formed retainer act as bite raiser that increase vertical dimension which may affect Tempromandibular joint and aim of this study is to perform clinical and radiographic evaluation of different thickness of vacuum formed retainer (Essix retainer) during retention phase after orthodontic treatment

Interventions

DEVICERetainer

Orthodontic retainer

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

15 Years to 35 Years

Inclusion criteria

* patients finished fixed orthodontic treatment with no signs or symptoms of temporomandibular joint disorders * patients indicated for removable retainer

Exclusion criteria

* any systemic disease * chronic medication uptake * bad oral hygiene pathological conditions of temporomandibular joint

Design outcomes

Primary

Measure	Time frame	Description
Clinical effect of retainer on temporomandibular joint	9 months	Absence of pain, deviation and trismus
Radiographic effect of retainer on tempromandibular joint	9 months	Normal dissc position

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026