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CDT Test- Dentures Verified 2024
Typology: Exams
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_______ is the commercial name for a prefabricated hinge and lock system that can be substituted for clasps in an RPD framework. - ANSWER-Swing-Lock A boley gauge measures: - ANSWER-A boley gauge measures: A mandibular custom impression tray should stop at: - ANSWER-Retromolar pad. A shim or a spacer is necessary because: - ANSWER-It makes an even space from the tissue stops to the inside of the tray. A simple hinge type articulator is an example of: - ANSWER-Non-adjustable articulator. A space is created between the maxillary and mandibular teeth when the muscles attached to mandible are relatively relaxed. This space is appropriately referred to as: - ANSWER-Free-way space. A stock impression tray is not as accurate as the custom impression tray because: - ANSWER-The uneven thickness of the impression material can distort as it sets. An articulator that has straight but adjustable condylar eminentia is a: - ANSWER-Semi- adjustable articulator. Auto Polymerizing, Self Curing, and Cold Cure acrylic all mean the same thing; they: - ANSWER-Cure on a bench or in a pressure pot. Choose which class best represents this statement, "A single but bilateral (crossing the midline) edentulous area located anterior to the remaining natural teeth." - ANSWER- Class IV Distoclusion describes a _______________ occlusion. - ANSWER-Class II. Frenum areas in a baseplate must be: - ANSWER-Relieved for comfort. Hamular notches and retromolar pads on upper and lower models are: - ANSWER- Tissue landmarks for ending trays, baseplates and dentures. If the mandibular arch were larger than normal we would have a malocclusion known as: - ANSWER-A crossbite. In a Class I occlusion a tooth has contact with two teeth in the opposing arch. There are two exceptions to this statement and they are: - ANSWER-Upper third molars and lower centrals.
In a Class I occlusion, where does the buccal cusp of the mandibular first molar occlude? - ANSWER-The central fossa of the maxillary first molar In a Physiologic Rest position: - ANSWER-Vertical space between the maxillary and mandibular teeth when the muscles of mastication are relaxed. In Class I centric occlusion, the cusp tip of the maxillary canine: - ANSWER-Occupies the facial embrasure between the mandibular canine and first premolar In normal centric occlusion, the maxillary anterior teeth occlude with: - ANSWER-The facio-incisal edge of mandibular anterior teeth. Models are articulated: - ANSWER-After being indexed and luted. Monomer is a: - ANSWER-Liquid for mixing methyl methacrylate/acrylic. Mutually protected occlusion has posterior contacts in: - ANSWER-Centric One advantage specific to cusp to marginal ridge occlusion is that it: - ANSWER-Helps to maintain stability if a tooth is lost. Overbite is known as: - ANSWER-Vertical overlap. Polymer is a: - ANSWER-Powder for mixing methyl methacrylate. Porcelain dentures are a mechanical return in the base by: - ANSWER-Pins in the anterior/diatoric holes in the posterior. Pumice, tripoli, and white diamond: - ANSWER-Polish acrylic so that food will not adhere to rough areas. Recommended height of a lower occlusal rim is: - ANSWER-18 mm. Relieved for comfort. - ANSWER-Relieved for comfort. The condyle of the mandible fits into the mandibular fossa of the: - ANSWER-Ligaments & shape of TMJ The condyle of the mandible fits into the mandibular fossa of the: - ANSWER-Temporal bone. The difference between a crown and bridge custom impression tray and a denture tray is the: - ANSWER-Materials being used. The handle on a custom impression tray should: - ANSWER-Raise up and clear the lip.
The two purely vertical movements of the mandible, elevation and depression, have the same movement in each joint and are also known as: - ANSWER-Hinge movements. The____ is where the two centrals line up and is marked by the dentist. - ANSWER- Midline To prevent dislodging on the denture Frenum areas must be ____. - ANSWER-Relieved To prevent dislodging on the denture Frenum areas must be ____. - ANSWER-Relieved What are the two major factors when curing heat cured acrylic? - ANSWER-Time and temperature. When the canines and anterior teeth cause the posterior teeth to disocclude in eccentric excursions, this is called: - ANSWER-Mutually protected. Which is not a Bar Clasp Assembly? - ANSWER-CORRECT- Multiple Combination. INCORRECT- "I" Bar. INCORRECT-RPI Clasp Assembly. INCORRECT-Combination Bar. Which is not a position of a tilt? - ANSWER-Vertical. Which is not a Rest Seat? - ANSWER-CORRECT- Connection between major connection and clasp INCORRECT-Connection between major connection and clasp INCORRECT-RPI INCORRECT-I-bar Which of the following teeth have a single opposing tooth? - ANSWER-Mandibular central incisors. Which upper teeth do not touch the template? - ANSWER-Laterals and second molars.