{"id":659972,"date":"2025-12-05T11:58:55","date_gmt":"2025-12-05T16:58:55","guid":{"rendered":"https:\/\/dev.cliniquedentairelaval.ca\/?page_id=659972"},"modified":"2025-12-08T12:23:40","modified_gmt":"2025-12-08T17:23:40","slug":"removable-prosthesis","status":"publish","type":"page","link":"https:\/\/dev.cliniquedentairelaval.ca\/en\/removable-prosthesis\/","title":{"rendered":"Removable prosthesis"},"content":{"rendered":"\n
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Partial and complete dentures<\/h2>\n

Partial prosthesis can replace one or more teeth and are held in place by clasps on the remaining natural teeth.<\/p>\n

Complete prosthesis can replace all missing teeth on the same arch. It is recommended to take the removable prosthesis out at night to provide better oxygenation for soft tissues and to prevent palate and oral soft tissues irritation.<\/p>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n

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Full dentures<\/h2>\n
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  • They are used for the replacement of all teeth (14) of a dental arch (upper or lower jaw).<\/li>\n
  • They cover a good part of the gingiva. Full dentures for the upper jaw also cover the palate and lay against it.<\/li>\n
  • They are held in place by suction (created by saliva accumulating between the dentures and the gingiva).<\/li>\n<\/ul>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n
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    Categories of dental prostheses<\/h2>\n

    The artificial teeth of a prosthesis are mounted using an\u00a0articulator<\/strong>, i. e. a mechanical device that supports the models of the upper and lower jaws and simulates the movements of the mouth. Depending on the type of articulator used by the denturist, prostheses can be classified into different categories.<\/p>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n

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    Precision dental prosthesis<\/h2>\n

    To determine the position of the teeth of this type of prosthesis, the articulator used reproduces the movements of protrusion (movement of the chin forward) and laterality (movement of the chin to the right and left). This method provides\u00a0excellent stability of the prosthesis<\/strong>\u00a0and\u00a0perfect chewing<\/strong>\u00a0on both sides of the jaw.<\/p>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n

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    Central dental prosthesis (standard)<\/h2>\n

    In the case of the centred prosthesis, the artificial teeth are mounted using an articulator called an \u201coccluder\u201d. This device reproduces the opening and closing movement of the mouth but does not simulate the chin movements to the sides and forward.<\/p>\n

    The adjustment of the position of the teeth is made on a non-adjustable device and is based on physiological averages for the general population. These prostheses do not have the fit and superior function of precision and semi-precision prostheses but have the advantage of being\u00a0economical<\/strong>. In addition, this type of prosthesis may be very suitable for the newly edentulous patient because the amount of gum is still sufficient to allow good denture stability.<\/p>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n

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    Soft base dental prosthesis<\/h2>\n

    Over the years, the\u00a0jaw bone resorbs<\/strong>, especially the lower arch bone. As a result, the prosthesis becomes less and less stable and can injure the gums or cause discomfort.<\/p>\n

    If the implant prosthesis is not possible, the soft base may represent a\u00a0good compromise<\/strong>. This technique consists of the permanent application of a cushion (silicone layer) inside the prosthesis. The soft base has a porous surface, so it adheres well to the gums and improves the comfort and stability of the prosthesis.<\/p>\n

    This solution still requires periodic adjustments because it will not prevent the underlying bone from changing and atrophying over time. The soft base must be changed after 2 to 3 years of use.<\/p>\n

    In addition, the prosthesis with a soft base is more difficult to clean and requires rigorous maintenance.<\/p>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n

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    Dental prosthesis of the metal vault type<\/h2>\n

    The metal vault is made of cobalt chromium and shaped to follow the curves of the palate, providing a comfortable, tight fit that stays securely in place in the mouth. This is done in a specialized laboratory.<\/p>\n

    Advantages :<\/strong><\/p>\n

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    • Stronger and more resistant<\/strong>\u00a0than the prosthesis made entirely of acrylic (recommended for example for the patient suffering from bruxism, who has a complete jaw prosthesis that rests against an arch of natural teeth and the patient with low dexterity and who risks escaping the prosthesis when handling it);<\/li>\n
    • Thinner<\/strong>\u00a0(3 times thinner than acrylic), therefore more comfortable and facilitates better speech;<\/li>\n
    • Does not change dimension<\/strong>\u00a0over time;<\/li>\n
    • Better thermal conductivity<\/strong>\u00a0so the patient will feel the temperature differences.<\/li>\n<\/ul>\n

      Disadvantages :<\/strong><\/p>\n

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      • This type of prosthesis\u00a0does not allow replenishing<\/strong>;<\/li>\n
      • Higher cost<\/strong>\u00a0than acrylic prosthesis;<\/li>\n
      • Relining is not possible<\/strong>\u00a0where the metal is in contact with the mucous membranes;<\/li>\n
      • Suction may be less in the metal-vault prosthesis than in a full acrylic prosthesis;<\/li>\n
      • The metal frame can be visible and\u00a0detrimental to aesthetics<\/strong>.<\/li>\n<\/ul>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n
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        Porcelain or acrylic teeth?<\/h2>\n

        The teeth of a prosthesis can be made of porcelain or acrylic. Several years ago, they were almost always made of porcelain, but we now know that it is\u00a0better to use acrylic<\/strong>.<\/p>\n

        Here\u2019s why:<\/p>\n

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        • Porcelain teeth are harder than natural teeth<\/strong>, so they tend to wear out the natural teeth with which they come into contact prematurely (e. g. a complete upper jaw prosthesis that closes against natural teeth in the lower arch).<\/li>\n
        • Even in the absence of natural teeth, the contact of two complete prostheses with porcelain teeth emits\u00a0vibrations that can be harmful to the gums and jawbone<\/strong>.<\/li>\n
        • Porcelain teeth are\u00a0less well bonded to the rest of the prosthesis<\/strong>\u00a0than acrylic teeth. Over the years, saliva tends to penetrate between the porcelain tooth and the acrylic part that supports it, forming a\u00a0black ring<\/strong>\u00a0that is impossible to clean. In addition, porcelain teeth eventually weaken and detach from the acrylic part.<\/li>\n
        • Porcelain teeth are\u00a0more fragile<\/strong>\u00a0and brittle than acrylic teeth.<\/li>\n<\/ul>\n

          Acrylic teeth are therefore a better choice to preserve the remaining teeth and avoid early gum resorption. They are resistant to breakage, look like natural teeth and can be repolished to remove stains and restore a shiny finish.<\/p>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n

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          Immediate complete prosthesis<\/h2>\n

          This prosthesis is inserted the same day, immediately after the extraction of the teeth to be replaced, which prevents any public outing with missing teeth. The immediate prosthesis is therefore made from the impression of the original teeth, before they are extracted.<\/p>\n

          Advantages :<\/strong><\/p>\n

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          • Since this prosthesis is designed while your natural teeth are still in the mouth, their shape, color and layout are easier to reproduce;<\/li>\n
          • Inserted immediately after extraction, it will act as a\u00a0bandage<\/strong>, protecting tissues and limiting bleeding;<\/li>\n
          • Adjusting to talking with a prosthesis will be easier<\/strong>\u00a0if you wear an immediate prosthesis than if you spend time without teeth and without a prosthesis while waiting for a final prosthesis;<\/li>\n
          • The prosthesis also helps to keep your chewing ability and\u00a0minimize facial distortion<\/strong>\u00a0that can occur when teeth are removed;<\/li>\n<\/ul>\n

            Disadvantages :<\/strong><\/p>\n

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            • The immediate prosthesis will require several\u00a0readjustments<\/strong>\u00a0(several visits to the denturist for temporary relining);<\/li>\n
            • After soft tissue healing and narrowing of the underlying bone (3 to 6 months after
              \nextractions) a permanent relining must be done at the immediate prosthesis or a new prosthesis must be manufactured.<\/li>\n<\/ul>\n

              Note<\/strong>: If you have a new prosthesis manufactured after the healing period, you can keep the immediate prosthesis as a replacement prosthesis, which is very practical in the event of a breakage, loss or repair of your main prosthesis.<\/p>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n

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              What are the advantages of immediate prostheses?<\/h2>\n
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              • better protection of oral tissues;<\/li>\n
              • decreased bleeding;<\/li>\n
              • uniform healing of the gums;<\/li>\n
              • helps to pronounce and chew better.<\/li>\n<\/ul>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n
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                Disadvantages of immediate dental prosthesis<\/h2>\n

                During the healing of the gums, it is possible that the prosthesis may become too large and unstable. It is then necessary to meet with the denturist to have a temporary relining, sometimes more than once. After 3 to 6 months, a permanent relining will be necessary. Do not overlook these periodic adjustments of the immediate prosthesis as they may result in damage to oral tissues and the need for surgery in some cases.<\/p>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n

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                Who are dental prostheses for?<\/h2>\n
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                • People of any age who have suffered partial or total tooth loss due to various reasons, such as an accident, illness, congenital condition, age, or poor oral hygiene.<\/li>\n
                • People with significant health problems, especially heart problems, for whom surgery may be contraindicated.<\/li>\n
                • Patients with insufficient jawbone support to consider other available treatment plans.<\/li>\n<\/ul>\n\n <\/div>\n <\/div>\n <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"page-category":[],"class_list":["post-659972","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nRemovable prosthesis - Clinique Dentaire Beaulieu, Lapointe et Associ\u00e9s \u00e0 Laval<\/title>\n<meta name=\"description\" content=\"Removable dentures are a solution for replacing one or more missing teeth. 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