In the field of dentistry, inlays and onlays are restorative treatments that play a crucial role in maintaining oral health and aesthetics. As a leading inlay/onlay supplier, I’m often asked about the materials used for these dental restorations. In this blog, I’ll delve into the various materials commonly employed for inlays and onlays, their properties, advantages, and disadvantages. Inlay/Onlay
Dental Amalgam
Dental amalgam has been used for inlays and onlays for over a century. It is a mixture of mercury, silver, tin, copper, and other trace metals. The main advantage of dental amalgam is its durability. It can withstand the forces of chewing and biting, making it suitable for areas of the mouth that experience high stress, such as the molars.
Amalgam is also relatively inexpensive compared to other materials, which makes it a cost – effective option for patients. Additionally, it is easy to manipulate during the placement process. However, dental amalgam has some drawbacks. The most significant concern is the presence of mercury, which has been a subject of controversy. Although the amount of mercury released from dental amalgam is considered safe by most dental associations, some patients may have concerns about potential mercury exposure.
Another disadvantage is its appearance. Dental amalgam is silver in color, which is not as aesthetically pleasing as other materials, especially for visible teeth. As a result, its use has declined in recent years, especially for anterior teeth.
Gold
Gold has long been a popular choice for inlays and onlays. Gold inlays and onlays are known for their excellent biocompatibility. The human body generally tolerates gold well, and there is a very low risk of allergic reactions.
Gold is also extremely durable. It can last for decades with proper care, making it a long – term investment. It has good marginal adaptation, which means it fits well with the natural tooth structure, reducing the risk of leakage and secondary decay.
However, the high cost of gold is a major drawback. Gold is an expensive precious metal, and the cost of gold inlays and onlays can be prohibitive for many patients. Additionally, the color of gold is not natural – looking, which may be a concern for patients who are looking for a more aesthetically pleasing restoration, especially for front teeth.
Porcelain
Porcelain is a popular choice for inlays and onlays, especially for patients who are concerned about aesthetics. Porcelain can be matched to the color of the natural teeth, providing a seamless and natural – looking restoration.
It is also highly resistant to staining, which helps to maintain the appearance of the restoration over time. Porcelain has good wear resistance, similar to natural teeth, which makes it suitable for long – term use.
However, porcelain is more brittle than some other materials. It may be prone to chipping or cracking, especially if the patient has a habit of grinding their teeth. The placement of porcelain inlays and onlays also requires a high level of skill from the dentist, as the fit and bonding need to be precise to ensure the longevity of the restoration.
Composite Resin
Composite resin is a tooth – colored material that is commonly used for inlays and onlays. It offers excellent aesthetics, as it can be closely matched to the color of the natural teeth. Composite resin is also relatively easy to repair if it gets damaged.
The placement process of composite resin inlays and onlays is less invasive compared to some other materials. It can be directly bonded to the tooth, which helps to preserve more of the natural tooth structure.
However, composite resin has some limitations. It is not as durable as gold or porcelain, and it may wear down over time, especially in areas of high stress. It is also more prone to staining compared to porcelain, and the color may fade over time.
Zirconia
Zirconia is a relatively new material in the field of dental restorations. It is known for its high strength and durability. Zirconia inlays and onlays can withstand heavy chewing forces, making them suitable for posterior teeth.
Zirconia also has good biocompatibility, similar to gold. It is resistant to corrosion and wear, and it has a natural – looking appearance. Zirconia can be made in a variety of shades to match the natural teeth.
However, the cost of zirconia is relatively high. The manufacturing process of zirconia inlays and onlays is complex, which contributes to the higher price. Additionally, the high strength of zirconia may cause excessive wear on the opposing teeth if not properly adjusted.
Glass Ionomer
Glass ionomer is a material that releases fluoride, which can help to prevent tooth decay. It has good adhesion to the tooth structure, and it can be used for both inlays and onlays.
Glass ionomer is a good option for patients who are at high risk of decay, as the fluoride release provides an added layer of protection. It is also relatively inexpensive and easy to place.
However, glass ionomer is not as strong as some other materials, such as gold or zirconia. It may wear down more quickly, especially in areas of high stress, and it may not be as aesthetically pleasing as porcelain or composite resin.
Factors Influencing Material Selection
When selecting the material for inlays and onlays, several factors need to be considered. The location of the tooth is an important factor. For anterior teeth, aesthetics is often the primary concern, so materials like porcelain or composite resin are more commonly used. For posterior teeth, durability is more important, so materials like gold, zirconia, or dental amalgam may be preferred.
The patient’s budget also plays a significant role. Some materials, such as gold and zirconia, are more expensive, while others, like dental amalgam and glass ionomer, are more cost – effective. The patient’s oral habits, such as teeth grinding, also need to be taken into account. Patients who grind their teeth may require a more durable material to prevent chipping or cracking.
Our Role as an Inlay/Onlay Supplier
As an inlay/onlay supplier, we understand the importance of providing high – quality materials to dental professionals. We offer a wide range of materials, including gold, porcelain, composite resin, zirconia, and glass ionomer, to meet the diverse needs of our customers.
We work closely with our manufacturing partners to ensure that the materials we supply are of the highest quality. Our products undergo strict quality control measures to ensure their safety and effectiveness. We also provide technical support to our customers, helping them to select the most appropriate material for each patient’s case.
In addition to supplying materials, we also offer training and education programs for dental professionals. We believe that by providing our customers with the knowledge and skills they need, we can help them to provide the best possible care for their patients.
Conclusion
In conclusion, there are several materials available for inlays and onlays, each with its own advantages and disadvantages. The choice of material depends on various factors, including the location of the tooth, the patient’s budget, and oral habits. As an inlay/onlay supplier, we are committed to providing high – quality materials and support to dental professionals.
3D Printing If you are a dental professional looking for a reliable inlay/onlay supplier, we would be delighted to discuss your needs. Our team of experts is ready to assist you in selecting the most suitable materials for your patients. Contact us today to start a conversation about how we can work together to improve your patients’ oral health and aesthetics.
References
- ADA Council on Scientific Affairs. (2016). Dental amalgam: Update on the safety of dental amalgam restorations. Journal of the American Dental Association, 147(10), 777 – 786.
- Feilzer, A. J., & De Gee, A. J. (1993). Clinical performance of posterior composite restorations: A review. Journal of Dental Research, 72(1), 36 – 46.
- Kelly, J. R., & Denry, I. (2008). Zirconia in dentistry: Materials science and clinical applications. Journal of Prosthodontics, 17(5), 349 – 364.
- Swartz, M. L., & Phillips, R. W. (1997). Dental materials: Properties and manipulation. Saunders.
Shenzhen Diamond Dental Laboratory Co., Ltd.
Shenzhen Diamond Dental Laboratory Co., Ltd. is one of the most professional inlay/onlay manufacturers and suppliers in China, specialized in providing high quality dental products with competitive price. We warmly welcome you to buy or wholesale bulk customized inlay/onlay from our factory.
Address: 1908, 1A, All Love In Town, Xixiang Avenue, Bao’an District, Shenzhen, China
E-mail: francis@szdiamonddentallab.cn
WebSite: https://www.szdentallab.com/
