The shape of the dental impression tray will be chosen according to which part of the patient’s anatomy is being captured. For pediatric dental procedures, it is important to be aware that a small dental impression tray for adults is not equivalent to a size small tray for children. Of course, tray size will vary with the size of the patient’s mouth. In addition to these features, there are more patient-specific variables to consider. Reusability: If the tray is not designed for single-use, it must be able to withstand autoclave sterilization.Robust handle: An integral handle is typically best for an impression tray.Retention: Along with features that aid retention of the impression, the tray should include occlusal stops.Extension: The tray needs to extend enough to support an impression of all the structures needed.Stability: An impression tray should be rigid in use.In general, a good dental impression tray will have these five qualities: Using the right impression tray is essential because using the wrong one can lead to defects in the impression. The right dental impression trays depend on the purpose of the trays and each patient’s individual fit. Metal: Like stainless steel, metal impression trays may be reused, making them common for taking prostheses impressions, but they do not have quite as long of a lifespan as stainless steel impression trays.Along with protecting the environment, purchasing stainless steel trays pays off in the long run because they do not have to be replaced as frequently. Stainless steel: As opposed to disposable dental impression trays, stainless steel trays are a sustainable option.While plastic trays are often single-use, some plastic varieties may be sterilized and reused. Plastic: Plastic dental trays are popular because dental professionals can make cuts to adjust the tray to the exact shape of a patient’s mouth.For example, perforated trays tend to have better retention of the impression material.īelow are three common dental impression tray materials: To make choosing the right tool easier, dental impression trays come in different shapes for the lower teeth, upper teeth and quadrants of the mouth.ĭental impression trays come in many different materials, which means they are easily adapted to the specific needs of a procedure. Different dental impression tray materials may have different distinguishing features, making some types better for accomplishing certain tasks. Depending on the type of procedure the impression is intended for, an impression may need to be taken of the whole mouth or just one part of it. Just like size, the shape of a dental impression tray can vary, too. In addition, make sure the dental impression tray is slightly loose so there is enough space between the tray and the teeth for the impression material to fill up. Pay extra close attention to whether the most posterior teeth get included. To make sure a dental impression tray is the right size for a patient, look at whether it covers all of the dental pieces when testing the tray. Small to medium dental impression trays are perfect for children and female patients, while large dental impression trays are better suited for adult males. Because of this, dental impression tray sizes can range from XX-Small to XX-Large. Naturally, every patient will have a different sized mouth. Learn more about those characteristics to know how to choose the right type of tray for a dental impression procedure. There are three key factors to consider when selecting impression trays: size, shape and material. Keep reading to find out the secrets behind selecting dental impression trays and using them effectively. This article explores the different types of dental impression trays, how to choose the right impression tray, as well as some common errors while taking dental impressions and how to avoid them. The permanent dental record is also helpful to have as documentation of the before-and-after phases. The models made with dental impressions can be used for different dental specialties and treatments, such as orthodontics, prosthodontics, mouth guards, whitening trays, and dental crowns and bridges. Once an accurate impression is achieved, the imprint can be used to create a precise three-dimensional model of the patient’s mouth. It takes the right dental impression tray to capture every part of the oral cavity, from the teeth to the gums and surrounding tissues. However, not all dental impression trays are created equal. The tray holds the impression filling used to set the mold, allowing the operator to place the impression material properly within the patient’s mouth. As a key instrument for taking dental impressions, dental impression trays are essential for getting an accurate negative imprint of the teeth.
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