Precision Dentures

Precision Dentures are designed on a very personalized level with a focus on tooth selection, facial support, and overall appearance. At our denture clinic, patients have a tremendously broad choice of tooth molds offering a variety of size and colors.

We carry tooth lines from Germany, Holland, UK, USA, and Switzerland to name a few. With quality names like Vita, Polychrome, Ivoclar, and Dentsply Trubyte, dentures look healthy natural and attractive.

No two patients are alike, there are many aspects to be considered when creating a new look that is truly your own.

All dentures need a number of steps done in a precise manner. However, to be called a precision denture there is a number of extra requirements that need to be met. A superior quality of material and more involved technical component are expected.

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  • The first questions that come to mind for most patients are: “What is a precision denture? Is the denture I am currently wearing not made with some degree of precision?” All dentures need a number of steps done in a precise manner. However, to be called a precision denture there is a number of extra requirements that need to be met. A superior quality of material and more involved technical component are expected.

    Precision dentures will generally involve a two step impression process. First preliminary impression is taken which provides a basic model of patients’ ridges. With these records a custom-made impression tray can be designed resembling much more closely the shape of patients’ ridges. On a subsequent appointment a second impression will be taken using this more accurate tray and done with a technique called border molding in order to capture your anatomy more accurately.

    Unlike a conventional fitting, the bite registration stage will also require two steps. This first to capture the basic components of centric occlusion, midline, high smile line, and lip support. For the second step a device called a facebow will be employed which allows the transfer of much more detailed bite registration records. The end result of these auxiliary and more accurate measurements is a finely tuned bite that will yield greater stability when under the load of chewing.

    Many of today’s precision denture bases are done with an injection system. However a traditional hand packed technique may also be employed. In either system expect a quality high impact acrylic to be used.

    Tooth selection is an area that can truly vary from practice to practice. Some clinics may offer as many as six or more different lines of precision quality teeth to choose from. While others may limit themselves to a single manufacture of which they are familiar. The BPS denture, (Ivoclar), and a number of others have their own brand of teeth that must be used in order to carry their mantra or namesake. For example, a BPS denture must use exclusively Ivoclar teeth. There are many high quality choices available and regardless of which is used, any one of them could be present in a precision denture.

    For patients, the expectation with a precision denture is improved fit, better function, greater durability and superior esthetics. It is a more accurate process with higher quality materials, providing patients the optimum in today’s denture design.

  • There are many steps involved in creating a natural looking denture. Selecting the correct tooth to go into your new denture is not as easy as one might think.  An incorrect selection can create disharmony in your appearance giving you a smile that looks false or displeasing.

    The first decision that is made is whether your tooth is made of porcelain or plastic. Those who have any natural teeth remaining have only the option of plastic teeth. Porcelain being harder than your natural enamel can cause excessive wear and damage on your remaining teeth. If you are an upper and lower denture wearer however the choice is yours. Consider the following positive and negative aspects of each type and discuss these with your dental professional.


    Porcelain Teeth Plastic Teeth
    Positive Aspects Positive Aspects
    • superior longevity
    • excellent stain resistance
    • superior translucency
    • tend to stay sharper
    • more impact resistant
    • less audible when chewing
    • gentler feel when chewing
    • can be used against natural teeth
    • often less expensive
    Negative Aspects Negative Aspects
    • more audible when chewing
    • more easily chipped if dropped
    • more rigid impact when chewing
    • often more expensive
    • lose sharpness more easily
    • tend to stain more easily
    • less wear resistant


    There are many different tooth lines, and within each line, there are many different colours and shade blending. Your dental profession should be able to assist you in making an appropriate decision.

    Size of tooth is also critical. Teeth that are too large tend to give one a ‘horsey appearance’. On the other hand teeth that are too small tend to make other facial features seem large in comparison.

    Facial shape must also be taken into consideration. There are many variations in tooth form. Patients are generally placed into four categories as follows:

    Face Shape

    Many clinics now carry a wide selection of teeth that will often include charaterized or cosmetic teeth. There are teeth that have multi-shades blended in along with decalcifications, small fractures, or composite fillings. The intention is to more realistically blend in with the other dentition.

    In selecting a tooth, a careful evaluation is made of the physical characteristics of the face including it’s size, slope and contours, as well as any slight differences between the left and right sides. Age and the basic colouration of hair, eyes, and complexion are also noted. Then all of these factors are weighed and compared so that the selection of teeth and final design of the denture is attractive and natural.

  • The denture base is the base of your new smile. It is the aspect of your denture that simulates oral tissue and fit over the bony ridges that remains after your natural teeth have been extracted.

    Most of today’s bases are made with acrylic. Whereas sixty odd years ago when my grandfather was practicing in the profession, dentures were made of vulcanized rubber. This material was fairly resilient but not overly aesthetic. Prior to that, dentures were not truly dentures but rather false teeth being carved and fashioned out of wood and other materials such as ivory for teeth.

    Modern denture bases are generally still created using a lost wax process:  The base is initially carved and shaped in wax then encased in plaster, stone or other medium then removed or melted away.  Into the void that remains acrylic is poured, injected or packed and then placed in a specialized oven to bake for eight to ten hours. Once cured, the base is removed from its plaster mold and then it is trimmed and polished.

    There are a number of cosmetic adaptations you can have designed in your denture during construction. Here are a few for your consideration:

    • Festooning – is gentle ridges shaped into the acrylic of your denture to simulate the natural roots of your tooth under tissue.
    • Stippling – are tiny dimple like patterns applied over the fascia of the denture to appear like natural pores in tissue.
    • Rugae – is a small washboard like pattern on the palate of your denture, placed there to act like the natural ridges in the roof of your mouth. It is theorized these ridges can assist in phonetics and mastication (chewing).
    • Veined Acrylics – many quality acrylics come with small red fibres that when cured in your denture base have the appearance of tiny veins this also helps remove a denture like appearance.
    • Impact Resistant – are acrylics designed with more resistance against breakage should dentures inadvertently be dropped.

    All of these are options you can discuss with your dental professional when having new dentures made. Attention to these finer details is one more way of insuring a healthy natural look, giving you the ability to laugh and smile with confidence.

  • Getting bulldogged by your dentures is probably a less than complimentary way to think of ones appearance. However, for some who have worn the same dentures for many years, the image of old chopper dog from the Sylvester and Tweety cartoon springs to mind. Imagine the prominent lower jaw thrust unnaturally forward revealing all the lower teeth while the upper teeth seem to disappear altogether.

    The ridges that support dentures are constantly shrinking. Over time, this reduction in ridge height finds dentures gradually settling deeper into the mouth making it necessary to close the jaw ever tighter to make tooth contact. Along with these natural anatomical changes, denture materials begin to wear, resulting in the same problem with overclosure.

    Once in this position, the jaw must rotate forward and protrude in a way that exaggerates the lower teeth while leaving the upper arch appearing to be more sunken. This unnatural position causes the corners of the mouth to sag downwards, and can make the lower lip more pendulous or saggy. The diminishing support causes the lip line to flatten, covering up a once beautiful smile.

    Along with these negative changes in appearance, a more serious condition can develop called Temporal Mandibular Joint Syndrome (TMJ). Symptoms such as accute inflammation, clicking or popping while moving the jaw, ringing in the ears, or even loss of hearing can be a result of lack of proper vertical dimension.

    Fortunately, there is a remedy. When new dentures are fabricated, much of the distance that has been lost can be regained by arranging your new teeth to restore the lost vertical distance by setting up the teeth in a way that prevents the jaw from closing as far. Doing this will see the jaw come down and back in relation to the upper ridge once the vertical is re-established. The upper denture can also be fabricated with an increased thickness under lips and cheeks that can restore the shape of the natural tissue lost through the years.

  • Wax try-ins are without a doubt the most interesting aspect of having your new denture made. After careful impressions, bite registrations, and tooth selections, a mock denture is created using wax for a base instead of acrylic. Although this wax base does not fit like the finished denture, it does give us the opportunity for a preview of what you will look like with your new smile.

    This will be a chance to try a look you have never seen before, bigger teeth, a broader smile, perhaps more support around the lips and under the nose. Or it may be a return to the look of younger years with careful duplication of a photo, perhaps a wedding photo, or other desired picture. Whatever the case may be, this will be your chance to create your new look. When the teeth are only set in wax changes are easily made. By simply softening the wax, teeth can be moved up or down, forward or back, made more straight or less even, possibly with a small space between them. At this stage, changes are simple.

    Facial support is another important area to pay attention to. By varying the thickness in the wax that lays beneath your cheeks and lips different results can be achieved. For some, this means softening small lines that come with age and for others, the desire may be fuller lips.

    If you are unsure of your new look ask your denturist or dentist if you can take the try-ins home. Most offices will allow this, which will give you an opportunity to see it in your own light and mirrors, or you may even solicit the thoughts of a close friend. Remember, others see you three dimensionally, and this can sometimes give you the final assurance you need before proceeding
    Once a try-in has been approved it will be turned into the finished product. The appearance that has been carefully created is now permanent and further changes are very difficult if not impossible to make.

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    I have trained myself for years not to smile because I was self conscious of the gaps. It is so nice to be proud to smile again!. – 2016