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Polymer Classification: Architecture

Polymer Classification: Architecture

Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...

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Impact of Fabrication Techniques and Polishing Procedures on Surface Roughness of Denture Base Resins

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Polymeric Denture Base Materials: A Review.

Ahmed Yaseen Alqutaibi^1,2, Abdulmajeed Baik³, Sarah A Almuzaini³

¹Department of Substitutive Science, College of Dentistry, Taibah University, Al Madinah 41311, Saudi Arabia.

|August 12, 2023

Summary

Polymethyl methacrylate (PMMA) is a common denture base material, but it has limitations. Research focuses on enhancing its properties through modifications to improve denture performance and patient safety.

Keywords:

denture base material polymers prosthesis

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Published on: December 26, 2016

Area of Science:

Materials Science
Biomaterials Engineering
Prosthodontics

Background:

Denture bases require optimal physical, mechanical, biocompatible, and esthetic properties.
Polymethyl methacrylate (PMMA) is widely used for denture fabrication due to its processability, mechanical strength, cost-effectiveness, and low toxicity.

Purpose of the Study:

To comprehensively review current knowledge on denture base materials (DBMs).
To explore types, properties, modifications, applications, and fabrication methods of DBMs.
To update information on recent developments and identify research needs for DBMs.

Main Methods:

Systematic literature search of PubMed, Scopus, and Embase databases.
Inclusion of relevant journals in dental materials, prosthodontics, and restorative dentistry.
Focus on English-language research concerning DBM variations, properties, applications, and fabrication.

Main Results:

PMMA, despite its advantages, possesses limitations preventing it from being an ideal biomaterial.
Studies are enhancing PMMA's physical and mechanical properties via chemical modifications and reinforcement with fibers, nanofillers, and hybrid materials.
Adverse reactions necessitate research into improving the biological properties of DBMs.

Conclusions:

While PMMA is a prevalent denture base material, ongoing research is crucial for its improvement.
Enhancements through material science are vital to overcome PMMA's limitations.
Further investigation into biological properties is needed to address adverse reactions and ensure patient safety.