Canine Guidance vs Bilateral Balanced Occlusion in Complete Denture

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

44 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-02-28

Study Completion Date

2011-06-30

Brief Summary

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The objective of this study is to compare the canine guidance (CG) and bilateral balanced occlusion (BBO) on denture satisfaction and kinesiographic parameters of complete denture wearers, by means of a cross-over trial. Edentulous patients will receive new maxillary and mandibular complete dentures and, after the intraoral adjustments and adaptation period, will randomly receive a sequence of occlusal schemes: BBO followed by CG, or CG followed by BBO.

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Detailed Description

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Reference for published version of the complete study:

Paleari AG, Marra J, Rodriguez LS, De Souza RF, Pero AC, De A Mollo Jr F, Compagnoni MA. A cross-over randomised clinical trial of eccentric occlusion in complete dentures.J Oral Rehabil. 2012 Apr 9. doi: 10.1111/j.1365-2842.2012.02299.x. \[Epub ahead of print\]

Conditions

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Edentulous Mouth Edentulous Jaw

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Canine Guidance

Complete dentures adjusted with "mutually protected articulation in which the vertical and horizontal overlap of the canine teeth disengage the posterior teeth in the excursive movements of the mandible" (The Glossary of Prosthodontic Terms. J. Prosthet. Dent., 94(1): 10-92)

Group Type EXPERIMENTAL

Occlusal scheme

Intervention Type PROCEDURE

Before enrollment, all participants will receive conventional complete dentures adjusted according to the bilateral balanced occlusion concept.

Following randomization, canine guidance will be achieved by adding composite resin (Restorative Z100, 3M Brazil, Sumaré, SP, Brazil) on the lingual surface of the maxillary canines. A sham comparator will also employ the addition of composite, but without changing eccentric contacts.

Bilateral Balanced Occlusion

Complete dentures as conventionally adjusted: anterior and posterior teeth presented bilateral contact in excentric positions

Group Type SHAM_COMPARATOR

Occlusal scheme

Intervention Type PROCEDURE

Before enrollment, all participants will receive conventional complete dentures adjusted according to the bilateral balanced occlusion concept.

Following randomization, canine guidance will be achieved by adding composite resin (Restorative Z100, 3M Brazil, Sumaré, SP, Brazil) on the lingual surface of the maxillary canines. A sham comparator will also employ the addition of composite, but without changing eccentric contacts.

Interventions

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Occlusal scheme

Before enrollment, all participants will receive conventional complete dentures adjusted according to the bilateral balanced occlusion concept.

Following randomization, canine guidance will be achieved by adding composite resin (Restorative Z100, 3M Brazil, Sumaré, SP, Brazil) on the lingual surface of the maxillary canines. A sham comparator will also employ the addition of composite, but without changing eccentric contacts.

Intervention Type PROCEDURE

Other Intervention Names

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Dental articulation Denture oclusion

Eligibility Criteria

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Inclusion Criteria

* Adult patients needing new complete dentures
* Mentally receptiveness
* Absence of dysfunctional disorders of the masticatory system
* Normal volume and resilience of residual edentulous ridges
* Absence of debilitating systemic diseases