Comparison of the Centric Relation Recorded by Two Methods Using Cone Beam Computed Tomography

NCT ID: NCT05512442

Last Updated: 2022-08-23

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-01-01

Study Completion Date

2021-04-01

Brief Summary

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The purpose of this study was to investigate and compare the variation in mandibular relation recorded by the gothic arch methods and the K7 method using cone beam computed tomography (CBCT)

Detailed Description

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ten asymptomatic participants were selected,the centric relation registrations were separately recorded according to the technique of the gothic arch method and the neuromuscular method,subsequent, they were instructed to perform CBCT wearing two bite registrations,thus using dophin software to calculate the tmj space and the upper airway and using exocad software to ananyse the mandibular position, Data were analysed with paired t-test

Conditions

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Tooth Loss

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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record the centric relation using the gothic tracing method

the vertical dimension of occlusion (VDO) were were determineded through facial appearance observation,thus,the patients were trained to execute bordering protrusive, retrusive and bilateral lateral-protrusive movements wearing the intraoral apparatus and a Gothic Arch Tracing was made, the apex of the Gothic Arch Tracing was defined as the gothic arch position.

Group Type EXPERIMENTAL

the centric relation

Intervention Type PROCEDURE

All participants were recorded the centric relation registrations according to the technique of the gothic tracing method and the neuromuscular method separately.

record the centric relation using the neuromuscular method

the participant were subjected to a low-frequency transcutaneous electrical nerve stimulation (TENS) using the J5 Myotronics for 45 minutes,With the help of TENS, complete relaxation of the muscles were achieved and the mandibular musculature was induced to guide the mandible in the physiologic position,thus using K7 to track the physical mandibular positon which was defined as the neuromuscular position.

Group Type EXPERIMENTAL

the centric relation

Intervention Type PROCEDURE

All participants were recorded the centric relation registrations according to the technique of the gothic tracing method and the neuromuscular method separately.

Interventions

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the centric relation

All participants were recorded the centric relation registrations according to the technique of the gothic tracing method and the neuromuscular method separately.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

absence of the mandibular position Classified as ASA 1 or 2 (normal healthy patient or with mild systemic disease, according to the American Society of Anaesthesiologists Physical Status Classification System); Absence of the symptoms and signs of the temporomandibular joint; Willing to participate and to sign a written informed consent form.

Exclusion Criteria

Cardiac pacemaker carriers and pregnant women; people with heart pace disorders and epilepsy; Temporomandibular or craniocervical disorders.
Minimum Eligible Age

20 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Fujian Medical University

OTHER

Sponsor Role lead

Responsible Party

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Hao Yu

Fujian Medical University

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Hao Yu

Role: PRINCIPAL_INVESTIGATOR

Fujian Medical University

Locations

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Fujian Medical University

Fuzhou, Fujian, China

Site Status

Countries

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China

Other Identifiers

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20200901

Identifier Type: -

Identifier Source: org_study_id

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