Border molding is an important procedure in complete denture construction since it promotes the development of border seal which is necessary for the maintenance of contact of the denture border with the adjacent vestibular tissues during rest as well as in functional activity.
How do I make a maxilla border mold?
How do you do border molding with putty?
How do you make a border mold RPD?
What is beading and boxing?
Beading is done to preserve width and height of sulcus in a cast and boxing is done to obtain a uniform smooth well shaped base of the cast. Boxing can be defined as the enclosure (box) of an impression to produce the desired size and form of the base of the cast and to preserve desired details.
What is stock tray?
Stock Trays. 12. Definition Impression tray that serve to carry the impression material to the mouth & support it in the correct position while it is hardening. This type of the trays can be used for several patients & used for making primary impression.
What can I use for border molding?
The border molding material that is currently still frequently used is the green stick modeling compound. This material has thermoplastic properties which have a low conductivity. The objective of border molding procedure is to get peripheral seal to achieve a retentive denture.
What is border Moulding in complete denture?
1. Border Moulding The shaping of an impression material by the manipulation or action of the tissues adjacent to the border of impression. Purpose: Shape of the border of the tray is made to conform accurately to the contours of limiting structures.
What is border Moulding in dentistry?
Border molding is an important step in the fabrication of complete dentures. … Border molding is the shaping of the border areas of an impression tray by functional or manual manipulation of the tissue adjacent to the borders to duplicate the contour and size of the vestibule.
What is posterior palatal seal?
The posterior palatal seal area is defined as the soft tissue area at or beyond the junction of the hard and soft palates on which pressure within physiologic limits can be applied by a removable complete denture to aid in its retention.
What is jaw relation?
Powerpoint Templates Page 2 Introduction Jaw relations are defined as any one of the many relations of the mandible to the maxillae Maxillomandibular relationship is defined as any spatial relationship of the maxillae to the mandible; any one of the infinite relationships of the mandible to the maxilla. 3.
What material is used for final impressions?
There are many materials for the final impression, such as gypsum, zinc oxide and eugenol (ZOE) paste, polysulfide rubber, polyether, polyvinyl siloxane, and alginate. Preferences vary much among dentists.
What is Post dam?
A groove cut along the posterior palatal margin of a denture cast which produces a ridge on the finished denture and forms a more effective posterior seal to aid retention. It also acts to prevent food debris collecting between the palatal mucosa and the denture. From: post-dam in A Dictionary of Dentistry »
What is alginate impression material?
Alginate is an elastic, irreversible hydrocolloid impression material. Irreversible hydrocolloid impressions form an inseparable part of indirect restorations. Alginate is one of the most frequently used dental materials; and alginate impression is a simple, cost-effective, and indispensable part of dental practice.
What is the impression material for RPD?
Dental stone should be used to form RPD casts.
What is a boxing wax?
box·ing wax (boksing waks) Wax used to create an enclosure for pouring a mold or cast, such as boxing impressions.
What is impression wax?
Impression waxes are used to take detailed impressions of the patient’s teeth to create dentures or models.
What is special tray?
Special Tray A special tray is defined as, “A custom made device prepared for a particular patient which is used to carry, confine and control an impression material while making an impression”.
What is a triple tray?
The triple tray technique is a very efficient method for taking impressions. The impression taken prior to preparing the teeth can be utilized to fabricate both the temporary restoration and then the final impression, which includes the opposing occlusion.
What is occlusal rim?
Definition : occlusion rims are occluding surfaces constructed on record bases or permanent denture bases to be used in recording jaw relations and for arranging teeth. … the position should be in the anticipated position of the artificial teeth. it must be securely attached to the base.
What is a tissue stop?
A tissue stop can be made in the patient’s mouth or in the laboratory with green stick modeling compound before tooth preparation (Fig. … J Prosthet Dent 1997;77:557. 3). The distal stop orients the tray and it contains and maintains the thickness of the impression material (Fig.
What is green stick compound?
Greenstick compound is one of the impression materials used during one step in the impression making for the complete denture preparation. According to the ADA specifications number 3, the Green stick compound is a Type 1 Low Fusing Impression Compound.
What is peripheral seal?
1. The fit around the outer margins of a denture that creates an effective contact between the denture and the soft tissues and improves retention. 2. The peripheral contact between a restoration and the prepared tooth tissue; also sometimes referred to as a border seal.
What is shellac base plate?
Shellac base plates are used in the process of manufacturing dentures/false teeth in the field of dentistry. They provide for temporary denture plates to check the fit and feel for the patient.
How do I record PPS?
According to Nelson, for recording PPS, the position of head must be downward so that the Frankfort plane (portion- orbital) is a 30 (below the horizontal and the tongue is firmly positioned against the mandibular anterior teeth.
What is a denture flange?
1. the essentially vertical extension from the body of the denture into one of the vestibules of the oral cavity; also, on the lower denture, the essentially vertical extension along the lingual side of the alveololingual sulcus; 2.
What is a wash impression?
Wash impression – this is a very thin layer of low viscosity impression material which is used to record fine details. Usually it is the second stage, where the runny impression material is used after an initial impression taken with a more viscous material.
What is catalyst in dentistry?
Catalyst paste (catalyst putty)—A component of a polymerization reaction that decreases the energy required for the reaction and usually does not become part of the final product; however, the term catalyst has been used for the structural component of dental materials that initiates the polymerization reaction.
What is lateral throat form?
Introduction: Lateral throat form is an area situated at the distal end of the alveololingual sulcus. Its synonyms are distolingual vestibule and retromylohyoid fossa. … Purpose: To evaluate the relative proportion of the lateral throat forms in 74 patients aged between 18-45 years from Lucknow(Eastern UP).
How is Masseteric notch formed?
It is due to the contraction of the masseter that a depression is formed at the distobuccal corner of the retromolar area. When the mouth is opened widely the borders in this area cut into the tissue, so it should be recorded with the mouth slightly opened.
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