PFM,Restoration,Advantages,and health PFM Restoration - Advantages and Disadvantages

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Porcelain-fused-to-metal dental crowns (PFMs) which can also be referred to as full-cast crowns have a metal shell onto which a veneer made of porcelain is fused in a high heat oven. The metal provides strong compression and tensile strength, while the porcelain gives the crown a more natural, tooth-like appearance, usually preferred for front teeth restorations.What are PFM Restorations?PFM restorations (choosing the right material for anterior restorations) are, in short, a hybrid of all-metal and all-porcelain crowns as they are made combining both. The metal being the base, which is typically nickel, chrome, or beryllium, or it can also be palladium, platinum, or gold. While the dental porcelain forms the cap providing a more natural looking tooth.PFM Restoration can be used for several reasons such as:To restore a tooth that’s too damaged to take a filling.To restore and protect a tooth after endodontic treatment.To give support to the framework for a dental bridge.To cover or hide teeth that have ingrained stains that are hard to remove by teeth whitening.Steps Involved the PFM Restoration ProcessFirstly, the tooth has to be numbed for PFM restoration, following which the dentist gently removes the outer layer (reshaping) in order for it to take the PFM crown.After reshaping, an impression of the tooth is made using putty-like paste to ensure ‘that’ perfect fit.The impression is then sent off to a dental lab to fabricate a PFM restoration in a shade closest to the natural teeth.The restoration is sent back to the doctor for fitting and placement. A provisional dental crown generally made out of acrylic, is fixed with a temporary bonding material that protects the reshaped tooth for the time being.The second/final visit involves removal of the temporary crown and the fit and color of the permanent crown is examined in order to achieve perfection. Once everything seems alright, the PFM restoration is permanently cemented in position.Advantages:The ultimate advantage of a PFM crown over all-metal crown is simply of its aesthetic appearance. The porcelain top gives a natural tooth-like look.The metal substructure element here makes them the stronger type of restoration that are a success in the long run.In some incidents porcelain layer may crack/chip off, the metal substructure underneath stays intact allowing the patient to easily get it redone.Porcelain fused to metal crowns are more affordable than the all-ceramic crowns.They are the most preferred type as it is easier to match the color of the adjacent teeth better with PFMs, unlike the metal ones.They are best suited for the back and front teeth.Disadvantages:They may make the gums more prone to gingival inflammation as compared to porcelain fused to gold and porcelain crowns.In receding gums, such crowns are not suitable as the porcelain can start showing distinctively.Restoring tooth by this method requires removal of a large part of the tooth structure.The porcelain structure from the crown at times may break or chip off.In some cases, the crown of the vertically opposite teeth may get worn out in the long run due to biting.It can get costly when precious metals like gold or platinum are used instead for fusing.Recommendation:All those who are in need for a reliable, aesthetically appealing crowns/bridge restorative treatment should consider PFM restoration. It is also the ideal restoration for those who suffer from teeth grinding (bruxism) as it provides a durable restoration where conversely, all ceramic crowns may suffer.To find out more about porcelain-fused-to-metal restorations, or if you have a missing or damaged tooth that needs attention, you are recommended to contact a competent dentist in your locality. We recommend scheduling an appointment with Houston dentist, Dr. Kelly Zhao.Dr. Kelly Zhao is one of the best dentists in Houston available for all your dental consultations. She leads a team of skilled dental professionals and ensures that the best diagnostic treatments and services are given to her patients. All the needs of the patients are immediately taken care of. They believe in providing the most trustworthy services related to your dental health problems. All your concerns and queries are addressed promptly and patiently by the staff. Any information required is provided in as simplified a manner and as much detail as possible making it easier for the patient to understand.Dr. Zhao is a highly recommend and much sought after dental professional in Houston. Never endure a less than perfect smile. So take the necessary step towards restoring it right away!