CROWNS AT WEST MAMBALAM, ASHOK NAGAR, CHENNAI PFM vs. Zirconia Crowns: A Comparison of Strength When it comes to dental crowns, strength and durability are key factors in determining which material is best suited for your needs. Two popular options are Porcelain-Fused-to-Metal (PFM) crowns and Zirconia crowns. Understanding the differences in their strength can help you make an informed decision. Strength of PFM Crowns PFM crowns have been a reliable choice in dentistry for many years. They consist of a metal alloy core that provides the crown's strength and a porcelain layer on top that mimics the natural appearance of a tooth. Key Points on PFM Strength: Metal Core: The metal core offers significant strength, making PFM crowns highly durable and resistant to fractures. This strength is particularly beneficial for crowns on molars, which endure heavy biting forces. Porcelain Layer: While the metal core is strong, the porcelain layer is more prone to chipping or cracking, especially if exposed to excessive force. Long-Term Durability: PFM crowns have a long history of success, but the metal understructure can sometimes show a dark line near the gum line as the gums recede over time. Strength of Zirconia Crowns Zirconia crowns are a more modern option that has quickly gained popularity due to their exceptional strength and aesthetic appeal. Made from zirconium dioxide, a type of crystal, these crowns are incredibly durable. Key Points on Zirconia Strength: Monolithic Structure: Unlike PFM crowns, Zirconia crowns are made from a single piece of material, eliminating the risk of layers separating or chipping. Exceptional Hardness: Zirconia is one of the strongest materials used in dentistry. Its high fracture toughness makes it highly resistant to cracks, chips, and wear, even under significant pressure. Aesthetic and Strength Balance: Zirconia crowns combine strength with excellent aesthetics, offering a natural-looking appearance without compromising durability. Which is Stronger? While both PFM and Zirconia crowns are strong and reliable, Zirconia crowns generally offer superior strength and longevity. The monolithic structure and hardness of Zirconia make it more resistant to damage, particularly in areas of the mouth that experience high pressure. However, PFM crowns are still a strong and trusted option, especially in cases where a metal understructure is preferred. Ultimately, the choice between PFM and Zirconia crowns should be based on individual needs, the location of the crown, and aesthetic preferences. Your dentist can help guide you to the best decision based on these factors. Dental Clinics in West Mambalam Dentists in West Mambalam Dentists in Ashok Nagar Best dentist near me Best Dental Clinics in West Mambalam Zirconia Crowns in West Mambalam Dental Implants in West Mambalam Ceramic Crowns in Ashok Nagar