Week 6 Flashcards
Of the three classifications of impressions, which can the dental assistant (EFDA) legally take?
Preliminary Bite impressions
an elastomeric material used for preliminary impressions or final impressions?
Final impression
which three ways are elastomeric materials supplied?
Paste
Cartridges
Putty’s
What material does the dentist first apply to the teeth - the heavy-bodied or the light-bodied form?
Light bodied
How is light-bodied material placed around a prepared tooth?
Special syringe or extruder
What system completes the mixing of final impression material for you?
Auto mix
Do you cool or warm the wax before placing the tray in the patient’s mouth for a bite registration?
Warm
What is restorative and esthetic dentistry often referred to as?
Operative
General
What is a common term used to describe decay?
Cavity
Which step in the initial preparation allows the dentist to determine the shape and placement of the cavity walls?
Cavity preparation
Where in the mouth would you find a class I restoration?
Occlusal surfaces
How many surfaces can be involved in a class I restoration?
2+
What restorative material would vou set up for a class IV procedure?
Composite resin
What population has a higher incidence of class V lesions?
Older population
What are three reasons for placing an intermediate restoration?
Determine the health of the tooth
While waiting to receive a permanent restoration
Financial reasons
What tooth surface most often receives a veneer?
Facial
What is the difference between a direct and an indirect veneer?
Direct is bonded
Indirect is cemented to the tooth surface
What is used to hold whitening gel to the teeth?
Thermoplastic resin tray
What is the main ingredient of whitening strip products?
Hydrogen peroxide
What adverse effects may a patient experience during tooth whitening?
Thermal hypersensitivity
Tissue irritation
What is the more common term used to describe fixed prostheses?
Crown and bridge
What is the difference between an onlay and a three-quarter crown?
How does a dentist convey to a dental laboratory technician the type of crown or bridge that should be
made?
Written prescription
What is the term for an exact replica of a tooth prepared by a laboratory technician?
Die
How many appointments are commonly required for a crown?
2
If a tooth is nonvital, what is fabricated and placed into the pulp for better retention of a crown?
post and cord
What is placed on the tray to displace gingival tissue during a crown and bridge preparation?
Gingival retraction cord
What type of agent is applied to retraction cord to control bleeding?
Hemostatic solution
What other terms are used for overgrown tissue?
Hypertrophied
What types of impressions are taken during the crown preparation procedure?
Final impressions
Preliminary impression
What is placed on a prepared tooth while the laboratory is making a crown or bridge?
Provisional crown and bridge
Who in the dental office is allowed to cement a crown or bridge permanently?
Dentist
What accessory is used to help in flossing a bridge?
70
Bridge threader
What term is used instead of “temporary” covering for a crown or bridge?
Provisional coverage
How long would a patient normally wear provisional coverage?
2 weeks to a month
What types of provisional coverage could be used for anterior teeth?
Custom and preformed polycarbonate
What type of dental material is commonly used to fabricate a custom provisional?
Acrylic or composite resin
When would a stainless steel crown be commonly selected for use as a short-term provisional?
List the types of dental specialists who may receive training in dental implants.
Oral and maxillofacial surgeon
Periodontist
Prosthodontics
Implantologist (general dentist)
What is the success rate for dental implants?
More than 90%
How long can dental implants last?
As long as 20 years+
Is the financial investment for an implant greater or less than for a fixed bridge?
Greater
How long can an implant procedure take to complete?
Several months or longer
Why would a dentist use a surgical stent during implant surgery?
Stents act as a guide during surgery to place the implants in their proper position
What material is commonly used to make an implant?
Titanium
What does osseo- mean?
Bone
What component of the endosteal implant attaches to the artificial tooth or teeth?
Abutment post or cylinder
Circumoral
Surrounding the mouth
Endosteal
Implant surgically embedded into the
bone.
Implant
Artificial teeth attached to anchors that have been surgically embedded into the bone or surrounding structures.
Osseointegration
Attachment of healthy bone to a dental implant. Peri-implant tissue. Gingival sulcus surrounding the implant.
Stent
Clear acrylic template placed over the alveolar ridge to assist in locating the proper placement for dental implants.
Transosteal
Implant inserted through the inferior border of the mandible.
Titanium
Type of metal used for implants.
Subperiosteal
Type of implant with a metal frame that is placed under the periosteum, but on top of the bone.
Custom provisional
Pertaining to coverage designed from a preliminary impression or thermoplastic tray resembling the tooth being prepared.
Polycarbonate crown
Provisional crown made from a hard plastic tooth-colored material used for anterior teeth.
Polymer crown
Provisional coverage designed in a shell-like form.
Preformed
Referring to provisional coverage that is already shaped as needed.
Provisional
Pertaining to temporary coverage made for crown or bridge preparations and worn during cast preparation.
Stainless steel crown
Thin crown made from a medium-hard material for good durability
Axial wall
Internal surface of a cavity preparation positioned in the same vertical direction as the pulp within the tooth.
Cavity
Pitted area in a tooth caused by decay.
Cavity preparation
Process of decay removal and tooth design in preparation for restoring a tooth.
Cavity wall
Internal surface of a cavity preparation.
Convenience form
Cavity preparation step that allows the dentist easier access when restoring a tooth.
Diastema
space between two teeth.
Esthetic dentistry
dentistry that improves the appearance of teeth by camouflaging defects and whitening teeth.
Operative dentistry
Term commonly used to describe restorative and
esthetic dentistry.
Outline form
Design and initial depth of sound tooth structure used by the dentist when restoring a tooth.
Pulpal wall
Surface of the cavity preparation perpendicular to the pulp of a tooth.
Resistance form
Shape and placement of cavity walls in the preparation of tooth restoration.
Restoration
The use of a dental material to restore a tooth or teeth to a functional permanent unit.
Restorative dentistry
of dentistry that restores teeth by removing decay and restoring defects.
Retention form
The shaping of the cavity walls to aid in retaining the restoration.
Retention pin
Basis of a stronger system used to retain and support a tooth restoration.
Veneer
Thin layer of composite resin or porcelain bonded or cemented to a prepared facial surface.
Abutment
tooth, root, or implant used for support and retention of a fixed or removable prosthesis.
Articulator
Dental laboratory device that simulates mandibular and temporomandibular joint movement when models of the dental arches are attached to it
Bevel
Enamel margin of a tooth preparation
Cast post
Metal post placed into the root canal of an endodonticaly treated tooth to improve the retention of a cast restoration.
Chamfer
Tapered finish line of the margin at the cervical
area of a tooth preparation.
Core
Portion of a post that extends above the tooth structure.
Die
accurate replica of the prepared portion of a tooth used in the laboratory during the fabrication of a cast restoration.
Fixed bridge
Dental prosthesis with artificial teeth fixed in place and
supported by attachment to natural teeth.
Full crown
Cast restoration that covers the entire anatomic crown of the tooth.
Gingival retraction
Means of displacing gingival tissue away from the tooth.
Hypertrophied
Referring to overgrown oral
tissues.
Infuser
Syringe that applies hemostatic solution on the gingival retraction cord.
Inlay
Cast restoration designed for class II cavity.
Investment material
Special gypsum product able to withstand extreme heat.
Master cast
Cast created from a final impression used to construct baseplate, bite rims, wax setups, and finished prosthesis.
Onlay
Cast restoration designed for occlusal crown and proximal surfaces of posterior teeth.
Opaquer
Resin material placed under a porcelain restoration to mask tooth discoloration.
Pontic
Artificial tooth that replaces a missing natural tooth.
Porcelain fused to metal crown
Indirect restoration in which a thin porcelain material is fused to the facial portion of a gold crown.
Prosthesis
Fabricated replacement for a missing tooth.
Resin bonded bridge
Fixed dental prosthesis with wings that are bonded to the lingual surfaces of adjacent teeth; also known as Maryland bridge.
Shade guide
Accessory dental item that contains different shades of teeth and is used to match the color of a patient’s teeth for the laboratory technician.
Shoulder
Margins of a tooth preparation for a cast restoration.
Three quarter crown
Cast restoration that covers the anatomic crown of a tooth except for the facial or buccal portion.
Unit
Each component of the fixed bridge.
