Short answer

When designing or selecting composite resins for dental applications, prioritize materials that demonstrate lower initial staining and are amenable to color correction with standard whitening agents, as not all materials respond equally.

Field: Final Production
Source: Cumhuriyet Dental Journal (2022)
Method: In-vitro experimental study
Sample: 27 participants
Evidence: Strong effect

Certain composite resin materials used in dental restorations can be effectively lightened by whitening mouthwashes, but their initial susceptibility to staining varies significantly. This final production research insight is drawn from a 2022 study published in Cumhuriyet Dental Journal. Using In-vitro experimental study with 27 participants, researchers explored how this design variable affects real-world outcomes. The key design takeaway: When designing or selecting composite resins for dental applications, prioritize materials that demonstrate lower initial staining and are amenable to color correction with standard whitening agents, as not all materials respond equally.

Study

Final ProductionHigh ImpactStrong effect

Whitening Mouthwash Can Reverse Composite Resin Discoloration, But Material Choice Matters

Certain composite resin materials used in dental restorations can be effectively lightened by whitening mouthwashes, but their initial susceptibility to staining varies significantly.

Cumhuriyet Dental Journal · 2022

Key Findings

01G-aenial posterior showed the highest degree of discoloration after coffee immersion.
02Viscalor Bulk and Fill Up! showed significantly less discoloration after coffee immersion compared to G-aenial posterior.
03Whitening mouthwashes (both with and without hydrogen peroxide) reduced discoloration in Viscalor Bulk and Fill Up! samples.
04G-aenial posterior samples exhibited clinically unacceptable discoloration even after mouthwash treatment.

Application

Design takeaway

How to apply

When developing new dental composites or evaluating existing ones for aesthetic applications, test their resistance to common staining agents and their response to standard whitening treatments.

Project actions

01When researching materials, look for studies that test their long-term performance in realistic conditions.
02Consider how different materials will interact with common consumer products.

Method & Evidence

AimTo evaluate the effectiveness of whitening mouthwashes containing and not containing hydrogen peroxide in reducing the discoloration of different types of composite resins after staining with coffee.

MethodIn-vitro experimental study

ProcedureSamples of three different composite resins (Viscalor Bulk, Fill Up!, and G-aenial posterior) were prepared. After an initial 24-hour water immersion and baseline color measurement, samples were immersed in coffee for 7 days to induce staining. Subsequently, they were divided into two groups and immersed in either a hydrogen peroxide-containing whitening mouthwash or a non-hydrogen peroxide whitening mouthwash for 24 hours. Color change was measured using a spectrophotometer and calculated with the CIEDE2000 formula.

Sample27 participants

ContextDental restorative materials and oral hygiene products

Variables

IV["Type of composite resin (Viscalor Bulk, Fill Up!, G-aenial posterior)","Presence of hydrogen peroxide in mouthwash"]

DV["Color change (ΔE001 and ΔE002 values)"]

CV["Sample dimensions (6 mm x 2 mm)","Initial immersion in distilled water (24 hours)","Staining agent (coffee)","Staining duration (7 days)","Mouthwash immersion duration (24 hours)","Spectrophotometer used for measurement"]

Strengths & Limitations

Strengths

+Uses a standardized color difference formula (CIEDE2000).
+Compares different types of composite resins and mouthwash formulations.

Limitations

In-vitro studies don't perfectly replicate real-world conditions, so results might not be exactly the same in a person's mouth.

Reliability & validity

The use of a spectrophotometer and the CIEDE2000 formula provides objective and reliable color measurement. The in-vitro nature limits external validity to real-world clinical scenarios.

Think critically

How might the long-term, repeated use of whitening mouthwashes affect the structural integrity or other properties of these composite resins, beyond just color change?

Design Principles

"Material aesthetics are influenced by both inherent properties and external environmental interactions."

This research highlights that the choice of restorative material in dental design has a direct impact on aesthetic longevity. Designers and manufacturers need to consider how external agents, like common oral hygiene products, interact with material properties over time.

What This Means for Your Design

Some teeth fillings can get stained by coffee, but special mouthwashes can help make them lighter again. However, some types of fillings get stained more easily and don't get as light as others.

How to use in your project

1.Use this research to justify the selection of specific materials in your design project based on their aesthetic durability and response to common interventions.

Add to My Project

Quick Cite

Paragraph starter

This study demonstrates that the choice of composite resin significantly impacts its susceptibility to discoloration and its response to whitening treatments. For instance, materials like Viscalor Bulk and Fill Up! showed better resistance to coffee staining and were effectively lightened by whitening mouthwashes, whereas G-aenial posterior exhibited clinically unacceptable staining that was not fully resolved by these treatments. This suggests that material properties directly influence aesthetic longevity and the effectiveness of common aesthetic maintenance procedures.

Source

Cumhuriyet Dental Journal

EFFECT OF WHITENING MOUTHWASH ON COLOR CHANGE OF DISCOLORED BULK-FILL COMPOSITE RESINS

journal · 2022

View source

Questions About This Research

What does the research say about whitening mouthwash can reverse composite resin discoloration, but material choice matters?: When designing or selecting composite resins for dental applications, prioritize materials that demonstrate lower initial staining and are amenable to color correction with standard whitening agents, as not all materials respond equally. Evidence: Cumhuriyet Dental Journal (2022).
Why does "Whitening Mouthwash Can Reverse Composite Resin Discoloration, But Material Choice Matters" matter for design?: This research highlights that the choice of restorative material in dental design has a direct impact on aesthetic longevity. Designers and manufacturers need to consider how external agents, like common oral hygiene products, interact with material properties over time.
How can designers apply this research?: When designing or selecting composite resins for dental applications, prioritize materials that demonstrate lower initial staining and are amenable to color correction with standard whitening agents, as not all materials respond equally.
What were the main findings?: G-aenial posterior showed the highest degree of discoloration after coffee immersion.. Viscalor Bulk and Fill Up! showed significantly less discoloration after coffee immersion compared to G-aenial posterior.. Whitening mouthwashes (both with and without hydrogen peroxide) reduced discoloration in Viscalor Bulk and Fill Up! samples.. G-aenial posterior samples exhibited clinically unacceptable discoloration even after mouthwash treatment.
What research method was used?: In-vitro experimental study with 27 participants.
How strong is the evidence?: Evidence strength is rated Strong effect, based on a 2022 journal from Cumhuriyet Dental Journal.
What should I do differently in my next project?: When developing new dental composites or evaluating existing ones for aesthetic applications, test their resistance to common staining agents and their response to standard whitening treatments.
What are the limitations?: The study was conducted in-vitro, and results may differ in the oral environment. Only coffee was used as a staining agent, and the duration of mouthwash exposure was limited.