Hall Technique vs Conventional Technique in Permanent Teeth

NCT ID: NCT07100028

Last Updated: 2025-08-01

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

NOT_YET_RECRUITING

Clinical Phase

NA

Total Enrollment

96 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-09-07

Study Completion Date

2028-06-30

Brief Summary

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The purpose of this study is to evaluate and compare the clinical and radiological performance of stainless steel crowns using conventional and Hall technique on permanent molars

Detailed Description

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Stainless Steel Crowns will be applied on two permanent molar teeth in a split mouth design. 96 patients will be included in the study. The teeth will be randomized into two groups according to the applying methods: 1) Traditional method 2) Hall technique.

Oral hygiene index (Green \& Vermillion), Plaque index (Sillness \& Löe), gingival health (Löe \& Sillness), level of gingival margin, crown retention and success, wear, occlusion, clinical pulpal health (spontaneous pain, mucosal swelling/fistula presence, mobility, percussion/palpation tenderness) and radiographic pulpal health (periradicular/interradicular radiolucency, lamina dura loss, internal/external root resorption, pulp canal obliteration) will be evaluated and photographic records will be taken.

The evaluation of the restorations will be performed at baseline, and 1., 3., 6., 12., 18., 24. months. The measurement of vertical hight on occlusion will be performed before and immediate after the treatment, at 2 weeks and 1., 2. and 3.months.

Fisher's Exact test, Kaplan-Meier Survival Curves, Log-rank test, Mann Whitney U test, and Friedman test will be performed for the statistical analysis.

Conditions

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Dental Caries Crowned Posterior Teeth

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Two technique on two molars in one patient
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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SSC crown with conventional technique

SSC crown placement using conventional technique

Group Type ACTIVE_COMPARATOR

SSC crown with Hall technique

Intervention Type OTHER

SSC crown placement using Hall technique

SSC crown with Hall technique

SSC crown placement using Hall technique

Group Type EXPERIMENTAL

SSC with conventional technique

Intervention Type OTHER

SSC placement using conventional technique

Interventions

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SSC crown with Hall technique

SSC crown placement using Hall technique

Intervention Type OTHER

SSC with conventional technique

SSC placement using conventional technique

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. The child volunteers and their parents who read and agreed to the informed consent form.
2. The presence of excessive loss of material or extensive enamel defects in at least two permanent molars that require crown application.
3. The presence of antagonist teeth of the teeth to be crowned.
4. All treatments on the patient's other teeth have been completed.
5. The patient who does not have temporomandibular joint (TMJ) problems.
6. Children who have cooperation to allow the dental procedure to be completed.

Exclusion Criteria

1. Child volunteers or parents who refuse to participate in the study.
2. The patient who has a chronic disease.
3. Patients undergoing orthodontic treatment
4. The patient has missing teeth on the treated side.
5. The need for vital or non-vital pulp treatment of the tooth.
6. The child volunteers and their parents did not accept the aesthetic appearance of the stainless steel crown.
Minimum Eligible Age

6 Years

Maximum Eligible Age

13 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Hacettepe University

OTHER

Sponsor Role lead

Responsible Party

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GIZEM ERBAS UNVERDI

Assistant prof

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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zafer cavit cehreli, prof.dr.

Role: STUDY_CHAIR

Locations

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Hacettepe university, pediatric dentistry

Ankara, Altindag, Turkey (Türkiye)

Site Status

Countries

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Turkey (Türkiye)

Central Contacts

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gizem erbas unverdi, Dr.

Role: CONTACT

00905052805736

sule sahin, research assistant

Role: CONTACT

Facility Contacts

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gizem erbas unverdi, assoc.prof.

Role: primary

sule sahin

Role: backup

Other Identifiers

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Hall technique-permanent

Identifier Type: -

Identifier Source: org_study_id

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