Evaluation of Treatment Duration of En-masse Versus Two Steps Retraction in Patients Having Maxillary Protrusion

Future University in Egypt

Status: Completed

Conditions: Bimaxillary Protrusion

Treatments: Procedure: En masse retraction; Procedure: Two-Step retraction

Study type: Interventional

Funder types: Other

Identifiers

NCT04921579

FUE.REC (23)/11-2019

Details and patient eligibility

About

Brief summary: there's a scarcity in literature concerning time needed to retract anterior segment following premolars extraction. the purpose of this study is to determine, in orthodontic patients with maxillary protrusion, which form of technique of retraction offers a faster treatment duration of retraction : en-masse or two step techniques

Full description

Anterior segment retraction can be done in one of two ways: through En masse or two step techniques. Both are viable options, but, ideally, the investigator wanted to retract and complete the orthodontic treatment as quickly as possible, in order to decrease the negative effects that may occur during treatment. Which of these techniques results in a decreased treatment time is still up for debate.

Enrollment: 30 patients

Sex: All

Ages: 14 to 24 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Adults and adolescent patients ( both gender)
• Age range (14- 24)
• patient with maxillary protrusion requiring first premolars extraction ( bimaxillary protrusion or class II division 1 cases)
• patients with fully erupted permanent teeth ( not necessarily including the third molar).
• cases required maximum anchorage during retraction.
• good general and oral health

Exclusion criteria

• patients suffering from any systemic diseases interfering with tooth movement.
• patients with extracted or missing permanent teeth (except for third molars).
• patients with badly decayed teeth.
• patients with any parafunctional habits ( i.e. Bruxism, tongue thrusting, mouth breathing, etc.,.....)
• patients with previous orthodontic treatment

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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30 participants in 2 patient groups

En masse retraction

Experimental group

Description:

six anterior teeth are retracted by en masse technique using a crimpable hook distal to upper lateral incisor and a power chain.

Treatment:

Procedure: En masse retraction

two step retraction

Experimental group

Description:

six anterior teeth are retracted by two step technique by canine retraction followed by four anterior teeth retraction using a crimpable hook distal to upper lateral incisor and a power chain.

Treatment:

Procedure: Two-Step retraction