Final Exam 107

When the tooth pulp is irritated and the patient experiences pain to thermal stimuli, a diagnosis of ______ can be made. periradicular cyst reversible pulpitis irreversible pulpitis periodontal abscess

reversible pulpitis

Teeth normally have a slight amount of mobility. Normal mobility is recorded at ___, whereas extreme mobility is recorded at ____. 0; 2 1; 3 0; 3 1; 2

0; 3

How long is the healing period for the first osseointegrated implant surgery? 1 to 2 weeks 2 to 3 weeks 1 to 3 days 1 to 2 months

1 to 2 weeks

Elastic separators can be left in the mouth for ____ days, and steel can be left in the mouth for _____ days. 7; 7 14; 5 5; 14 14; 14

14; 5

What is the order of use for the following instruments? Files Endodontic explorer Gutta-percha Paper points Glick Number 1 1, 2, 3 2, 1, 3 1, 3, 2 3, 1, 2

2, 1, 3

What is the order of use for the following instruments? Files Endodontic explorer Gutta-percha Paper points Glick Number 1 1, 2, 3, 4, and 5 2, 3, 4, 5, and 1 2, 1, 4, 3, and 5 5, 1, 3, 2, and 4

2, 1, 4, 3, and 5

The implantation process involves several steps and may take _____ months to complete. 1 to 3 3 to 6 3 to 9 6 to 12

3 to 9

Immediately after an extraction, a sterile 2 x 2 gauze is folded and placed over the socket to control bleeding. How long is the patient instructed to keep the pack in place? 5 minutes 30 minutes 2 hours 4 hours

30 minutes

The success rate for replantation of permanent teeth is highest when the tooth is replanted within _____ of the avulsion. 30 minutes 60 minutes 2 hours 4 hours

30 minutes

A properly placed dental implant has a success rate of more than ___%. 90 80 70 60

90

What are signs and symptoms of periodontal disease? Presence of plaque and calculus A bad taste in the mouth Teeth that are sensitive to cold Teeth that are stained

A bad taste in the mouth

Which statement is incorrect about sutures? Generally, if a scalpel is used, sutures are indicated. Absorbable sutures should be removed 5 to 7 days after the procedure. Suture removal can be an expanded function of a dental assistant. The type of surgery performed will determine the type of suture technique used.

Absorbable sutures should be removed 5 to 7 days after the procedure.

Which component of a fixed bridge anchors to existing teeth? Abutment Pontic Unit Core

Abutment

Which step in root canal therapy takes place first? Estimated working length Access preparation Debridement and shaping the canal Obturation

Access preparation

Which foods should be avoided by patients with fixed appliances? Chewing gum Sticky foods Popcorn All of the above

All of the above

Postsurgical instructions include which statements? No drinking from a straw for the first 24 hours. No smoking within the first 24 hours. Restriction of strenuous work or physical activity for the rest of the day. All of the above are correct statements.

All of the above are correct statements.

Which statement is correct concerning salivary flow? The prosthesis is considered a foreign object and can cause the salivary glands to produce excessive saliva. Physical conditions such as medications and radiation treatment can also increase the amount of saliva produced. The lack of saliva can make it difficult for a patient to wear a prosthesis. All of the above are correct.

All of the above are correct.

Which statement is correct when packing retraction cord? It is important to place the retraction cord into the sulcus without damaging the surrounding gingival tissues. The placement and removal of gingival retraction cord are expanded functions and may be performed by a dental assistant trained in expanded functions. Generally, the operator removes the cord while the assistant prepares the impression material. All of the above are correct.

All of the above are correct.

During the first surgery for a subperiosteal implant, what occurs once the alveolar ridge is exposed? A surgical stent is made using acrylic resin. An impression is taken of the alveolar ridge. The metal frame is positioned. Titanium implants are inserted into the alveolar ridge.

An impression is taken of the alveolar ridge.

What is the term for a tooth that has been completely knocked out of the mouth? Avulsed Extruded Exfoliated Luxated

Avulsed

Which instrument contours a band around the tooth to allow for minimal exposed cement at the margins? Band seater Band pusher Bird-beak pliers Band-removing pliers

Band-removing pliers

On which teeth are brackets most commonly bonded? Anterior teeth Premolars Molars Both a and b

Both a and b

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. Has received an additional 3 years of training in a program accredited by the American Dental Association. A general dentist who works mostly with crowns, inlays, onlays, and bridges. Both a and b are correct statements.

Both a and b are correct statements.

In which location will the surgical team perform oral surgery procedures? Hospital operating room or outpatient surgical suite General dentist's office Private dental office Both a and c

Both a and c

What holds dental arch wires in place? Ligature ties Dental cement Elastomeric ties Both a and c

Both a and c

A cast post is associated with which statement? It is cemented into the pulp canal. It is used to add height to the core buildup. It is made from an acrylic pattern by a dental laboratory technician. Both a and c are correct statements.

Both a and c are correct statements.

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? Indirect pulp therapy Root canal therapy Extraction Both b and c

Both b and c

Orthodontic fixed appliances are also known as what? Braces Separators Hawley retainers Clear "aligners"

Braces

The _____ begins at the occlusal surface of the tooth and extends downward so that it partially encircles the tooth. I-bar retainer I-bar clasp C-clasp rest

C-clasp

Which radiograph is most commonly exposed on an orthodontic patient? FMX Panoramic Cephalometric Bite-wing

Cephalometric

Which type of extraction, such as an impacted third molar, requires additional skill, knowledge, and instrumentation to remove a tooth? Complex Simple Surgical Forceps

Complex

Which instrument is designed to remove supragingival calculus from the posterior teeth? Sickle scaler Contra-angle sickle scaler Chisel scaler Files

Contra-angle sickle scaler

Which type of retraction cord is contraindicated for patients with a history of cardiovascular disease? Plain cord Cord impregnated with epinephrine Cord is contraindicated Infuser is advised

Cord impregnated with epinephrine

Which statement is incorrect regarding a dry socket? The healing process of a dry socket may take as long as 2 weeks. The patient will need to return daily for a dressing change until the socket begins to heal. Women taking oral contraceptives (birth control pills) are more susceptible to a dry socket. Dry sockets do not hurt and occur immediately after tooth removal.

Dry sockets do not hurt and occur immediately after tooth removal.

_____ separators are placed between contacts with a "sawing" or flossing motion. Brass wire Elastomeric Steel spring Wedge

Elastomeric

Which dentist specializes in the prevention, diagnosis, and treatment of the dental pulp and the tissues that surround the root of the tooth? Periodontist Endodontist Oral surgeon Prosthodontist

Endodontist

A "healing collar" is used in which implant procedure? Endosteal Subperiosteal Transosteal None of the above

Endosteal

Which instrument is used to measure the horizontal and vertical pocket depth of multirooted teeth? Furcation probe Periodontal probe Periodontal explorer Pocket marker

Furcation probe

Which process involves scraping or cleaning the gingival lining of the pocket to remove necrotic tissue from the pocket wall? Gingival curettage Gingival debridement Scaling Root planing

Gingival curettage

Which surgical procedure involves the surgical reshaping and contouring of the gingival tissue? Gingivectomy Gingivoplasty Flap surgery Osseous surgery

Gingivoplasty

What is the material of choice for an inlay or onlay restoration? Porcelain Ceramics Gold Amalgam

Gold

What is the natural rubber material used to obturate the pulpal canal after treatment is completed? Gutta-percha Hydrogen peroxide Glass ionomer Both b and c

Gutta-percha

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? Broach K-type Hedstrom Reamer

Hedstrom

Which item is not used in the pulpotomy procedure? Rubber dam High-speed handpiece ZOE base Slow-speed handpiece

High-speed handpiece

In class _____ occlusion, or distoclusion, the mandibular arch and the body of the mandible are in bilateral, distal relationship to the maxillary teeth. I II III IV

II

The dental team that works together to perform the implant procedure can include a periodontist, prosthodontist, oral and maxillofacial surgeon. Which other specialist would be included? Implantologist Orthodontist Pediatric dentist Endodontist

Implantologist

A patient comes into the office with a lesion that is approximately 2.5 cm on the lateral border of the tongue. Which type of biopsy would most likely be completed? Exfoliative Excisional Incisional No biopsy is done because the biopsy would cause a functional problem with the tongue.

Incisional

For which set of patients does a pediatric dentist focus on providing oral healthcare? Infants, children, and adolescents Infants and children, but not adolescents Children and adolescents, but not infants Children, but neither infants nor adolescents

Infants, children, and adolescents

What is the purpose of the arch wire? It is a pattern that gives the dental arch its shape. It holds interarch elastics. It bonds directly to the teeth. It stabilizes the ends of a facebow.

It is a pattern that gives the dental arch its shape.

Which statement typifies the vitalometer (electric pulp tester)? It is the most reliable means of testing for pulp vitality. It is not affected by the size of the restorations on a tooth. It is battery operated, which can weaken over time and give a false reading. It is able to determine whether one canal is vital and other nonvital.

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

What is one advantage of a lingual rest? It minimizes trauma to the tooth by transmitting stress along the What is one advantage of a lingual rest? It minimizes trauma to the tooth by transmitting stress along the long axis of the tooth. It is placed on the lingual surface of the tooth so that it is not visible from the front. It is easier to reach when cleaning the partial denture. It extends onto the occlusal surface of the tooth.

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

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 dries the area. Doing so makes it easier for the operator to see the margins of the preparation. Doing so makes it easier to set the impression tray. It thins the material to allow it to flow better within the sulcus and around the margins.

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

What does the acronym LASER mean? Less amplification of stimulated emission of radiation Light amplification by stimulated emission of radiation Light amplification by simulations of emission of radiation Light amps of simulated emission of rays

Light amplification by stimulated emission of radiation

An anterior open bite refers to which condition? There are no posterior teeth. There are spaces between teeth in the same arch. Maxillary and mandibular anterior teeth do not touch. The teeth contact only during mastication.

Maxillary and mandibular anterior teeth do not touch.

What appliances are recommended for participants in contact sports? Bite planes Mouth guards Splints Retainers

Mouth guards

Which procedure contours and shapes bone? Ostectomy Bone grafting Bone augmentation Osteoplasty

Osteoplasty

Which of the following is used to absorb solutions and dry the canal? Gutta-percha Rubber stops Paper points Broaches

Paper points

When conducting an objective examination, the dentist will not take into consideration which observation? Tooth mobility Presence or extent of decay Swelling or discolorations Patients' pain report

Patients' pain report

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. The health of the peri-implant tissues is a critical factor in the success of dental implants. It is still necessary to schedule patients with implants for cleanings, exams, and radiographs. Dental implants can last as long as 20 years or more.

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 tooth? Abutment Pontic Unit Core

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? Negative Positive Acute Obturation

Positive

Retention of a maxillary denture depends on the suction seal from which element? Flange Palatal suction Post dam Border molding

Post dam

Which element is not a component of a removable partial denture? Post dam Connector Retainer Rest

Post dam

When assisting in an invasive oral surgery procedure, members of the dental team wear which type of gloves? Latex Prepackaged sterile Nitrile Over

Prepackaged sterile

Severe malocclusion and dental facial deformities, both of which can cause social stigma and have a negative effect on a patient's self-esteem, are examples of which type of adversity? Psychosocial function Oral function Dental disease Both a and c

Psychosocial function

What treatment is used to attempt to save the pulp, and encourage the formation of dentin at the site of the injury? Pulpotomy Pulp capping Pulpectomy Apicoectomy

Pulp capping

What is the role of radiographs in endodontics? Radiographs are used for diagnosis only. Radiographs are used only during treatment to determine file length. Radiographs are used for diagnosis and during treatment to determine file length. Radiographs are used for diagnosis, during treatment to determine file length, and at posttreatment evaluations.

Radiographs are used for diagnosis, during treatment to determine file length, and at posttreatment evaluations.

What are the functions of a rest on a partial denture? It prevents the partial denture from moving in a gingival direction. It aids in distributing the retention load to several teeth. It prevents food from getting between the abutment tooth and the retainer. Rests do all of the above.

Rests do all of the above.

Which statement is incorrect about retention pins? Retention pins may be necessary to add strength to the core buildup. The location of the pulp determines the exact location of the placement of the pins. Retention pins can be used only if the tooth has been treated endodontically. The type of crown being fabricated is a determining factor for the placement of the pins.

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

An orthodontic tooth positioner is not used for which purpose? Retain teeth in position. Separate the teeth before banding. Massage tissue. Use prior to a retainer.

Separate the teeth before banding.

By keeping the surgical instruments, surgical unit, and gloved hands sterile, the members of the surgical team are maintaining which type of field? Sterile Clean Disinfected Both a and b

Sterile

What home care instructions are given to patients when delivering a partial denture? Store the partial denture in water or in a moist, airtight container while not wearing it. Brush the partial while in the mouth when brushing natural teeth. Disinfect the partial with bleach about once a week. Floss around the retainers to keep them clean.

Store the partial denture in water or in a moist, airtight container while not wearing it.

What is the metal device that is designed to protect the abutment teeth from excessive occlusal loads and stress during mastication? Minor connector Rest Clasp Stress breaker

Stress breaker

Which instrument is used to remove a tooth in one piece, with the crown and root intact? Periosteal elevator Surgical forceps Surgical curette Rongeur

Surgical forceps

What is the difference between surgical scissors and suture scissors? Surgical scissors are more delicate than suture scissors. Surgical scissors have a small notch on the cutting edge of blade, whereas suture scissors have straight blades. Suture scissors have serrated cutting edges designed to cut only suture material, whereas surgical scissors have only smooth cutting edges. Suture scissors are interchangeable with surgical scissors, whereas surgical scissors should only be used for surgical tasks.

Surgical scissors are more delicate than suture scissors.

Which guideline should not be used routinely when treating children? Use terms a child can understand. Give rewards for good behavior. Tell the child that it will not hurt. Use tell-show-do.

Tell the child that it will not hurt.

Which statement describes the purpose of the dentist marking the pockets on the facial and lingual surfaces of the gingival before beginning surgery? The bleeding points indicate where the dentist will need to place the sutures after surgery. The bleeding points indicate the depth of the pockets showing the dentist where to place the initial incisions. The bleeding points indicate the bottom of the gingival sulcus showing the dentist where the alveolar bone begins. The bleeding points indicate the beginning of the gingival grooves.

The bleeding points indicate the depth of the pockets showing the dentist where to place the initial incisions.

How is mental age determined? The child's actual age in terms of years and months The child's level of intellectual capacity and development The child's level of emotional maturity Not used to characterize patients less than 18 years of age

The child's level of intellectual capacity and development

Which of the following statements is correct concerning porcelain veneers? Veneers are usually recommended to improve chewing efficiency of posterior teeth. The color of the finished veneer can be affected by the shade of the underlying tooth structure and by the color of the luting agent. Porcelain veneers do not involve preparation of tooth structure. Provisional coverage is required following impressions for porcelain veneers.

The color of the finished veneer can be affected by the shade of the underlying tooth structure and by the color of the luting agent.

Which statement is incorrect about mouth props? A mouth prop allows the patient to relax and rest the jaw muscles. The mouth prop prevents to the patient from closing the mouth. The mouth prop is placed close to the area being treated. The mouth prop is also known as a bite-block.

The mouth prop is placed close to the area being treated.

How does the surgeon determine the level of anesthesia before performing a surgical procedure? The surgeon asks the patient if they are numb. The surgeon taps on the tooth. The surgeon probes the area with an explorer. If the dentist has given the patient enough local anesthetic, it will be numb.

The surgeon probes the area with an explorer.

Which statement is incorrect regarding immediate dentures? They are delivered immediately after the extraction of all teeth. They serve as a compress and bandage to protect the surgical area during healing. They should be replaced or relined 3 to 6 months after placement. They are delivered after the posterior areas have healed.

They are delivered immediately after the extraction of all teeth.

Which statement is correct about dental implants? They require modification of adjacent teeth. They are far less expensive than a conventional bridge. They can prevent the bone loss and gum recession that often accompany bridgework and dentures. They can support a bridge, but not a denture.

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? Full Three-quarter Porcelain-fused-to-metal Gold

Three-quarter

Which of the following is an example of a fixed prosthesis? Partial denture Silver amalgam core Three-unit bridge Pin-retained amalgam

Three-unit bridge

What is the purpose of taking the bite and occlusal registrations for partial dentures? To identify a relationship between the right and left quadrants of the mouth To identify a relationship between the maxillary and mandibular arches To measure the space occupied by the height of the teeth in normal occlusion To establish a vertical line that indicates the location of the canines

To identify a relationship between the maxillary and mandibular arches

What is the primary purpose of pit and fissure sealants? To prevent decay on recently erupted teeth To replace the use of topical fluorides To stop the progression of interproximal decay All of the above

To prevent decay on recently erupted teeth

What is the purpose of an orthodontic positioner? To move the teeth To retain the teeth in their desired position To reposition the teeth during orthodontic treatment To act as a permanent retainer

To retain the teeth in their desired position

Extraoral radiographs, which are needed to evaluate the height, width, and quality of bone, include which of the listed views? Reverse Towne projection Waters projection Tomographic Submentovertex

Tomographic

How does a removable partial denture receive its support and retention? Underlying tissues and remaining teeth that serve as abutments Underlying tissues and posts that are implanted into the tissue The remaining teeth The flanges of the partial denture

Underlying tissues and remaining teeth that serve as abutments

Which radiograph image helps the dentist determine the length of the canal? Initial radiograph Working length Final instrumentation Final fill

Working length

A gingival retraction cord is placed _____ the crown preparation is completed; it is removed _____ the final impression is taken. after; after after; before before; after before; before

after; before

The function of the _____ is to apply force to either move the teeth or hold them in the desired positions. buccal tubes bracket arch wire wire tie

arch wire

Oral surgery instruments are classified as _____ instruments and must be sterilized after each use. critical semi-critical non-critical both semi- and non-critical

critical

The ____ the depth of the periodontal pocket, the ____ the loss of bone; therefore, the _____ severe the periodontal disease. greater; greater; more greater; greater; less lesser, lesser; more lesser; greater; less

greater; greater; more

During fabrication of a complete denture, the dentist uses the baseplate wax-occlusal rim assembly in order to evaluate the _____, which includes centric, protrusive, retrusive, and lateral excursions. vertical dimension occlusal relationship smile line canine eminence

occlusal relationship

A maxillary partial denture will have a ____ connector, and the mandibular partial denture will have a ____ connector. lingual; palatal palatal; mandibular palatal; lingual lingual; facial

palatal; lingual

The two types of tests that the dentist uses to determine whether the inflammatory process has gone into the periapical tissues are ____ and ____. objective; subjective palpation; percussion chronic; acute reversible; irreversible

palpation; percussion

The arch wire that is used as a "working arch wire" is: nickel titanium. stainless steel. beta titanium. Opti-Flex.

stainless steel.

The placement of dental implants involves both _____ of the prosthesis. extractions and placement surgery and placement design and fabrication preparation and placement

surgery and placement