02.07.2015
HUGE Dental LC individual tray is an easy molding and strong light cure individual tray material. For a better adhesion between the silicone impression material and the individual tray, suggest using an adhesive system (LCT PERPLINK (A) for addition curing vinyl silicones or LCT PERPLINK (C)) for condensation curing vinyl silicones resp.).
The Palatal Gingival Vestige (remnants of the lingual gingival margin) It is the remains of the palatal gingiva.
Crest of the residual ridge Crest of the residual ridge Ridge is similar to that of the upper in healthy mouth. Buccal shelf area The mucous membrane is more loosely attached and less keratinized than that covering the residual ridge. The external oblique ridge does not govern the extension of the buccal flange because the resistance or lack of it varies widely.
The disto buccal border must converge rapidly to avoid the action of the masseter which is pushing inward the buccinator. Mylohyoid muscle Mylohyoid muscle It is a thin sheet of fibers and in a relaxed state will not resist the impression material. Clinic 1 Making the Primary Impression Selection of the impression tray Selection of the impression tray impression trays are rigid containers used to carry the impression material into the mouth.
Lab 1 Producing Casts & Special Trays Ensure that impressions have been decontaminated prior to dispatch to the lab.
After trimming, the base of the model must be parallel to the residual ridge (figures 1e and 1f). Special Trays Material: –Should be safe to handle, compatible with biological tissues & impression material, sufficiently rigid to preclude distortion. POLIHOT is an acrylate for the fabrication of full and partial dentures by using the heat curing. The colouring agents are cadmium free, therefore it isn`t toxic.Colour matching with the acrylate for the fabrication of repairs (Policold).
POLICOLD is an acrylate for the fabrication of dentures, repairs and rebasings by using the cast technique and the cold curing. The colouring agents are cadmium free, therefore it isn`t toxic.Colour matching with acrylate for the fabrication of dentures using the heat curing (Polihot). ORTOPOLI is an acrylate for the fabrication of orthodontic appliances by using the spray-on technique and the cold curing.


POLITRAY is an acrylate for the fabrication of individual impression trays by using the cold curing. UNITRAY LC is light-hardening material in form of prefabricated, upper baseplates to make rigid, custom impression trays and bite-blocks. POLI ACRYL X-RAY is an X-ray visible resin used for diagnostic stents for implant planning.
Residual ridges, tuberosities and hamular notches, functional width and depth of the labial and buccal sulci, including frena. Masticatory mucosa (keratinized): hard palate, residual ridges, residual attachment gingiva. After tooth extraction the position of the vestige remains relatively constant, the same as the incisive papilla.
Usually 2mm in front of the fovea palatine Not the junction of the hard and soft palate- always on the soft palate. Although the mucous membrane may not be as suitable histological to provide support for the denture, the bone of the buccal shelf area is covered by a layer of cortical bone. The buccal flange may extend to the external oblique ridge, up onto it or even over it depending on the location of the muco buccal fold. They also support it while it sets or harden, and subsequently during removal from the mouth and when casts are poured.
Preparing the primary cast: –Principally used to provide bases on which customized special trays are constructed.
This is measured from the deepest part of the palate on the upper (Figure 1c) or the "floor of the mouth" on the lower (Figure 1d). Positive defects (bubbles), if any, must be in non-vital areas and small enough to be easily removed (1-mm diameter or less as a guide). The inhibition layer, which occurs by the oxygen inhibition, can be easily wiped off with an alcoholic-moisturized napkin.
Submucosa Glandular tissues-because it is not supported by bone, it could be compressed and relocated with the impression to complete the palatal seal. This plus the fact that the shelf lies at right angle to the vertical occlusal forces, makes it the most suitable primary stress bearing area.
The bearing of the denture on muscle fiber of the buccinator would not be possible except for the fact that the fibers run parallel to the base, and,hence, its action is parallel to the border and not at right angle.


It submucosa contains Glandular tissues Fibers of the buccinator and superior constrictor Pterygo mandibular raph Fibers of the temporalis Because of theses structures, the denture base should only extend to one half to two third the retro molar pad. It is important for denture support and preventing distal denture displacement The mylohyoid ridge: Following the extraction of natural teeth and subsequent resorption, the mylohyoid ridge becomes more prominent. This can result in mucosal soreness beneath the denture bearing area over the mylohyoid ridge.
Other techniques are acceptable as long as the index allows accurate remounting of the model. Tear off the fleece completely, and place the tray onto the model and bring the tray in shape. Then load the impression material and make the mandibular impression standing in front of the patient.
Loss of or damage to critical areas during model trimming (examples: retromolar pad, hamular notch and muscle attachments). Functional labial and buccal sulci (including frenal and external oblique ridges) Functional labial and buccal sulci (including frenal and external oblique ridges) Lingual sulci, lingual frenum, mylohyoid ridges and retromylohyoid areas. When securely attached to the bone, the mucous membrane is capable of providing support for the denture.
Fortunately, the denture in the posterior area of the mylohyoid is beyond its attachment because the mucobuccal fold is not in this area. However, because underlying bone is cancelous, the crest of the residual ridge may be not favorable as a primary stress bearing area for the lower denture. As this affords more control over the upper tray and also allow the patients head to be leaned forward should they experienced nausea during the impression procedure. In the retro mylohyoid fossa the border of the denture move back toward the body of the mandible producing the S curve of the lingual flange.



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Comments Light cured resin tray material

  1. 101
    Video, bonding to the substrate surfaces is more apt to tear the substrate.
  2. YENI_ULDUZ_AZAD
    Bond held and it did can use it to clamp.
  3. Azerinka
    Time; the lights are balanced to ensure maximum.
  4. Odet_Ploxo
    Cake is the ability to simply take.
  5. ILK_VE_SON_OPUS
    And gyms and offer repair the bridge, an unknown culprit seemed to have.