Effect of Provisional-Crown Surface Coating on Biofilm Formation

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

PHASE1

Total Enrollment

1 participants

Study Classification

INTERVENTIONAL

Study Start Date

2006-09-30

Study Completion Date

2007-04-30

Brief Summary

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Auto polymerizing poly methyl methacrylate (PMMA), and light initiated resin modified PMMAs, are commonly used for fabricating provisional restorations (PRs) during prosthetic treatment 1. Biofilm accumulated on these PRs may cause caries and inflammation of the surrounding tissue, tempering the outcome of the final restoration 2. Plaque adherence to temporary restorations was significantly increased compared with the untreated reference teeth 3. Biologic and physical properties of the various materials used as PRs were studied extensively 4-8 whereas their interaction with bacterial biofilm in vivo and ex vivo is less characterized.

One improvement in provisional restorative materials is the use of liquid polish. It is claimed that these materials gives a high luster finish to provisional bis-acryl restorations and processed acrylic appliances, reduces or eliminates costly and time consuming polishing steps and can be used on all types of direct and indirect restorations and appliances.The effect of liquid polish coating or resin bonding coating on biofilm formation on PRs was not reported.

Detailed Description

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Auto polymerizing poly methyl methacrylate (PMMA), and light initiated resin modified PMMAs, are commonly used for fabricating provisional restorations (PRs) during prosthetic treatment 1. Biofilm accumulated on these PRs may cause caries and inflammation of the surrounding tissue, tempering the outcome of the final restoration 2. Plaque adherence to temporary restorations was significantly increased compared with the untreated reference teeth 3. Biologic and physical properties of the various materials used as PRs were studied extensively 4-8 whereas their interaction with bacterial biofilm in vivo and ex vivo is less characterized.

One improvement in provisional restorative materials is the use of liquid polish. It is claimed that these materials gives a high luster finish to provisional bis-acryl restorations and processed acrylic appliances, reduces or eliminates costly and time consuming polishing steps and can be used on all types of direct and indirect restorations and appliances.

The effect of liquid polish coating or resin bonding coating on biofilm formation on PRs was not reported. In this study we intend to measure, in vivo early biofilm formation on PMMA PRs with and without resin coatings.

Conditions

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Dental Plaque

Keywords

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biofilm adhesion liquid polish bonding resin PMMA Polymethylmetacrylate provisional crown no antibiotics treatment three months prior to experiment no mouth rinse with oral solutions one month prior to experiment

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Interventions

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coating a dental restoration material ,polymethylmethacrylate, with liquid polish resin

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patient in need for PMAA provisional crowns

Exclusion Criteria

* Patient took antibiotics three months prior to experiment

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Principal Investigators

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Michael M Perez Davidi, DMD

Role: STUDY_DIRECTOR

Hadassah Medical Organization

Locations

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Hadassah Medical Organization,

Jerusalem, , Israel

Site Status

Countries

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Israel

References

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Perez Davidi M, Beyth N, Sterer N, Feuerstein O, Weiss EI. Effect of liquid-polish coating on in vivo biofilm accumulation on provisional restorations: part 1. Quintessence Int. 2007 Jul-Aug;38(7):591-6.

Reference Type RESULT

PMID: 17694216 (View on PubMed)

Other Identifiers

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191056HMO-CTIL

Identifier Type: -

Identifier Source: org_study_id