DEN107 Midterm Study Guide

Which items should be included on the laboratory prescription?

Dentist's name, license number, address, and signature; Type of prosthesis requested; Date when the case is expected back (ALL OF THE ABOVE)

How long is the healing period for the first osseointegrated implant surgery?

1 to 2 weeks

Which sequence represents the correct sequence for implant placement from start to finish?

1, 3, 2

What is the order of use for the following instruments?

2, 1, 4, 3, and 5

How long of an appointment is scheduled to deliver the partial denture?

20 to 30 minutes

How long does it take for the implant to osseointegrate to the bone?

3 to 6 months

The entire endosteal dental implant process may take ____ to reach completion.

3 to 9 months

The patient will be without his or her denture for ____ while it is being relined or rebased.

8 to 24 hours

A properly placed dental implant has a success rate of more than ___%.

90

Which statement best defines the qualifications of a prosthodontist?

A dentist who is dedicated to restoring and replacing teeth, focusing on fixed or removable prosthodontics AND A dentist who has received an additional 3 years of training in a program

Which statement is correct concerning salivary flow?

ALL OF THE ABOVE ARE CORRECT

Which statement is correct when packing retraction cord?

ALL OF THE ABOVE ARE CORRECT

What is the name for a localized area of pus?

Abscess

Which component of a fixed bridge anchors to existing teeth?

Abutment

Which step in root canal therapy takes place first?

Access preparation

What is one advantage of using acrylic teeth instead of porcelain teeth in partial dentures?

Acrylic teeth do not produce a clicking sound during chewing

Which term refers to the surgical procedure to recontour a residual ridge?

Alveoplasty

During the first surgery for a subperiosteal implant, what occurs once the alveolar ridge is exposed?

An impression is taken of the alveolar ridge

Each of the following medical conditions can contraindicate placement of implants except

Asthma

What instrument is used to remove necrotic pulp tissue from the canals?

Barbed broach

Which component of the full denture fits over the alveolar ridge and surrounding gingival area?

Base

Each of the following is an example of the types of images that may be prescribed during the planning phase and throughout dental implant treatment except

Bitewing

Which process is used to remove bacteria, necrotic tissue, and organic debris from the root canal?

Debridement

Which statement is correct about the formation of dental plaque and calculus on implants?

Both dental plaque and dental calculus can form on dental implants

The ___ begins at the occlusal surface of the tooth and extends downward so that it partially encircles the tooth.

C-clasp

What occurs at the final appointment in the crown and bridge process?

Cementation of a final restoration

What is the tapered finish line of the margin at the cervical area of a tooth preparation?

Chamfer

What is the most common method to obtain gingival retraction?

Chemical retraction

What type of abscess would be present if the patient has a draining sinus tract?

Chronic

How is the area under the pontic of a bridge maintained?

Clean under the pontic using floss and a floss threader

What is the surgical stent, which is used as a template for the placement of the implant screws, made of?

Clear acrylic resin

Simple repairs of broken denture acrylic are sometimes handled in the dental office laboratory by using which material?

Cold-cured acrylics

Which type of retraction cord is contraindicated for patients with a history of cardiovascular disease?

Cord impregnated with epinephrine

Which term means to be without teeth?

Edentulous

Which type of impression material is used for the final impressions for the creation of the baseplates and occlusal rims?

Elastomeric

Which dentist specializes in the prevention, diagnosis, and treatment of the dental pulp and the tissues that surround the root of the tooth?

Endodontist

A "healing collar" is used in which implant procedure?

Endosteal

Which implant is generally used as an alternative for patients with bridges or removable dentures?

Endosteal

Which of the following is the most common type of implant placed?

Endosteal

What occurs during the second surgery of an osseointegrated implant?

Endosteal implant fixture is exposed; Abutment screw is connected to the anchor; Abutment screw is connected to the prosthesis (ALL OF THE ABOVE)

Which sign or symptom is uncommon for pulpitis?

Fever

Which radiograph image is taken with the final size files in all canals receiving treatment?

Final instrumentation

Approximately how many appointments are needed to fabricate a partial denture?

Five

When one or more teeth are missing from the same arch, which permanent restoration is recommended?

Fixed bridge

Which statement typifies the vitalometer (electric pulp tester)?

It is battery operated, which can weaken over time and give a false reading.

Once the root canal therapy is completed, what is used to fill the canal?

Gutta-percha

What is the natural rubber material used to obturate the pulpal canal after treatment is completed?

Gutta-percha

Which vitality test is the least useful?

Heat

Which style of hand file has its spiral edges arranged so that cutting occurs only on the pulling stroke, making the dentinal walls smooth and easier to fill?

Hedstrom

Implants are frequently made from titanium alone or coated with which material?

Hydroxyapatite

What prosthesis is placed immediately after the extraction of the patient's remaining anterior teeth?

Immediate denture

Which oral anatomic structures are factors in the placement of dental implants?

Inferior alveolar nerve

Which cast restoration is designed to fit snugly within a tooth preparation, such as a Class II restoration, and covers only a portion of the occlusal and proximal surface?

Inlay

A cast post is associated with which statement?

It is cemented into the pulp canal; It is made from an acrylic pattern by a dental laboratory technician

Which statement best describes an indirect restoration?

It is created in a dental laboratory

What is one advantage of a lingual rest?

It is placed on the lingual surface of the tooth so that it is not visible from the front

What is pulp fibrosis?

It is the decrease of living cells within the pulp.

Why would the operator "blow" a light stream of air onto the placed light-bodied impression material before seating the tray with heavy bodied material?

It thins the material to allow it to flow better within the sulcus and around the margins

Which statement is correct about surgical stents?

It will be used as a guide that is positioned over the alveolar ridge to guide placement of the implant screws un their proper position.

Which statement best represents an important step in the construction and placement of veneers?

Match the tooth color of the veneer to the adjacent teeth

Which condition is an extraoral factor that must be considered before recommending a removable prosthesis for a patient?

Motivation

Which of the following is an intraoral factor that must be considered when the dentist is recommending a removable prosthesis for a patient?

Musculature

Which material is placed under a porcelain veneer to mask tooth discoloration?

Opaque liner

Which term refers to the bond that is developed between living bone and the surface of an implant fixture?

Osseointegrated

What is the process by which the living jawbone naturally grows around the dental implant?

Osseointegration

Which tissues surround the root of the tooth?

Periadicular

Which factors can cause pulpal nerve damage?

Physical irritation AND Trauma

Which statement is incorrect concerning the maintenance of dental implants?

Plaque and calculus will form on implants and is more difficult to remove from implants than from natural teeth

Which component of a fixed bridge replaces a missing natural tooth?

Pontic

What type of response to the percussion or palpation test would indicate that the inflammation is present in the periodontal ligament and that endodontic treatment is most likely needed?

Positive

Which element is a component of a full denture?

Post dam

What is the function of a rest on a partial denture?

Prevents the partial denture from moving in a gingival direction; Aids in distributing the retention load to several teeth; Prevents food from getting between the abutment tooth and the retainer (ALL OF THE ABOVE)

What treatment is used to attempt to save the pulp and encourage the formation of dentin at the site of the injury?

Pulp capping

Which term most accurately identifies root canal therapy?

Pulpectomy

Which procedure is most commonly used for vital primary teeth?

Pulpotomy

What is accomplished by placing a new layer of denture resin over the tissue surface of the appliance?

Relining

At what stage is the final crown, bridge partial denture, or full denture attached to the implant?

Restorative phase

Which statement is incorrect about retention pins?

Retention pins can be used only if the tooth has been treated endodontically.

Which procedure removes a root from a multi-rooted tooth?

Root amputation

When the pulp displays symptoms of lingering pain and the clinical diagnostic findings show that the pulp is incapable of healing, what treatment is warranted?

Root canal therapy AND Extraction

Which material could be used for a core buildup?

Self-curing composite material; Reinforced glass ionomer cement; Amalgam (ANY OF THE ABOVE)

Which device is used to determine the tooth color for ceramic crowns or bridges?

Shade guide

What is the metal device that is designed to protect the abutment teeth from excessive occlusal loads and stress during mastication?

Stress breaker

What class of symptoms is described by the patient?

Subjective

Which statement is incorrect concerning the specialty of endodontics?

The American Dental Association recognized endodontics as a specialty in dentistry in 1953.

Which statement is correct regarding a fixed bridge?

The fixed bridge is described by the number of units involved AND A fixed bridge consists of at least one abutment and one pontic

Under which condition would a post-and-core be recommended before placing a crown?

The tooth has been treated endodontically

Which statement is correct about dental implants?

They can prevent the bone loss and gum recession that often accompany bridgework and dentures.

Which type of crown does not cover the entire anatomic portion of the tooth?

Three-quarter

What is the purpose of irrigation solutions in root canal therapy?

Tissue dissolution; Bleeding control; Deodorizing the canal (ALL OF THE ABOVE)

The blade or cylinder that is surgically embedded into the bone during the first surgery is which type of implant?

Titanium

What is the purpose of taking the bite and occlusal registrations for partial dentures?

To identify a relationship between the maxillary and mandibular arches

What is the purpose of provisional coverage?

To maintain or restore tooth function or both; To provide comfort for the patient while the permanent restoration is being fabricated; To protect the margins of the prepared tooth (ALL OF THE ABOVE)

Extraoral radiographs , which are needed to evaluate the height, width and quality of bone, include which of the listed views?

Tomographic

At which appointment during the fabrication of a removable partial denture are the artificial teeth set in wax for the patient and dentist to evaluate?

Try-in

Festooning is completed during which appointment?

Try-in

If any changes are made to the partial denture, a second bite registration is taken at which appointment?

Try-in

Which procedure takes place during the second appointment for the placement of a cast restoration?

Try-in

How does a full (complete) denture receive its support and retention?

Underlying tissues

How does a removable partial denture receive its support and retention?

Underlying tissues and remaining teeth that serve as abutments

What is the term for each component of a fixed bridge?

Unit

How is a Maryland bridge held in place?

Winglike extensions are bonded onto the lingual surfaces of the adjacent teeth

Which of the following statements is correct regarding pulp capping?

With direct pulp capping, the tooth is still vital, and medication is placed to protect the pulp.

A gingival retraction cord is placed _______ the crown preparation is completed; it is removed ______ the final impression is taken.

after; before

If a tooth has a necrotic pulp, it will not respond to

heat and cold stimulus.

Thermal sensitivity tests

include testing for sensitivity to heat and cold.; include testing for cold sensitivity with dry ice.

When the tooth pulp has symptoms of lingering pain, a diagnosis of ____ can be made.

irreversible pulpitis

When surgically placing implants, it is recommended that the team includes the clinician, the surgical dental assistant, and the

nonsterile circulating assistant.

The two types of tests that the dentist uses to determine whether the inflammatory process has gone into the periapical tissues are ____ and _____.

palpation; percussion

The placement of dental implants involves both _____ of the prosthesis.

surgery and placement