CDC 1-68

What is the final step in cavity preparation? a. cleansing the cavity b. removing remaining caries c. finishing enamel walls

a.

During the procedure, when are amalgam matrices assembled and placed? a. before amalgam is mixed b. after amalgam is mixed c. assembled before amalgam is mixed and placed after amalgam is mixed

a.

How is the space between the cemented master cone and root canal or pulp chamber filled? a. additionally gutta-percha points are placed and 𝘭𝘢𝘵𝘦𝘳𝘢𝘭𝘭𝘺 condensed until the space is filled completely b. additionally gutta-percha points are placed and 𝘷𝘦𝘳𝘵𝘪𝘤𝘢𝘭𝘭𝘺 condensed until the space is filled completely

a.

The assembled Tofflemire and matrix band is positioned over the tooth with the a. small circumference of the band positioned toward the gingiva and the retainer parallel to the facial surface of the tooth b. large circumference of the band positioned toward the gingiva and the retainer parallel to the facial surface of the tooth

a.

The dentist checks the occlusion of the new restoration using a. articulating paper placed on the teeth of the opposing quadrant, the patient is instructed to 𝘨𝘦𝘯𝘵𝘭𝘺 close the teeth together b. articulating paper placed on the teeth of the opposing quadrant, the patient is instructed to 𝘧𝘪𝘳𝘮𝘭𝘺 close the teeth together

a.

What dental specialty is concerned with the treatment of diseases of the dental pulp and 𝙥𝙚𝙧𝙞𝙖𝙥𝙞𝙘𝙖𝙡 𝙩𝙞𝙨𝙨𝙪𝙚? a. endodontics b. periodontics

a.

What device is used to make a hole in the dentin portion of a tooth to receive pins of appropriate size? a. pin drill b. taper fissure bur c. gates glidden drill d. round excavating cur

a.

What does the dentist use to force a matrix band or a strip tightly against irregular tooth surfaces to eliminate space that could result in an overhanding solution? a. wedge b. cotton roll c. matrix retainer

a.

What is the solution used 𝙢𝙤𝙨𝙩 𝙤𝙛𝙩𝙚𝙣 to irrigate the root canal? a. sodium hypochlorite b. sterile saline c. hydrogen peroxide

a.

What size is the Universal or straight amalgam matrix band? a. #1 b. #2 c. #12

a.

Which cavity involves two surfaces of the tooth? a. compound b. complex c. smooth

a.

Which endodontic instrument is formed by a series of intersecting cones that become successively larger from the tip toward the handle? a. K-type file b. reamer c. H-type file

a.

Which instrument is used to shape, form, or cut tooth anatomy into amalgam restoration? a. carver b. excavator c. burnisher

a.

Which is caused by leakage of oral fluids and beverages between a faulty restoration and dentin? a. chemical irritation b. thermal irritation

a.

Which matrices are placed, in cervical areas, after the restorative material is mixed and placed into the preparation? a. Tofflemire retainers and bands b. cervical matrix forms

a.

Which procedure involves placing a protective dressing over an exposed pulp? a. direct pulp cap b. pulpectomy

a.

Which procedure is the removal of the pulp chamber and canal? a. pulpectomy b. pulpotomy

a.

Which rotary instruments are used primarily in the coronal third of the canal for enlarging the orifice, preparing post space, and flaring the canal? a. Gates-Glidden drill and Peeso reamer b. Straight fissure burs

a.

Devices used to hold metal bands firmly around a tooth, thereby forming a temporary mold for filling materials, are called a. band formers b. matrix retainers

b.

During endodontic therapy, what is used to isolate the tooth and maintain a dry field? a. high volume suction b. rubber dam

b.

How is the estimated working length of the root canal verified? a. measuring from reference points on the incisal edges of anterior teeth and cusps on posterior teeth b. measuring an accurate, preoperative periapical radiograph

b.

How must extracted teeth containing amalgam restorations be disposed of? a. disinfect using chlorine disinfectant, dry, and store in a sealed container for turn-in b. disinfect using non-chlorine disinfectant, dry, and store in a sealed container for turn in

b.

Spoon excavators are used primarily to a. carve wax inlay patterns b. remove carious debris from tooth cavities

b.

The endodontic instrument used for the removal of intact pulp tissue from large canals is a root canal a. file b. reamer c. barbed broach d. smooth broach

b.

The instruments used to pack amalgam into the cavity preparation are called a. amalgam carriers b. condensers c. burnishers

b.

What material is placed in the recessed preparation of the root apex? a. zinc free amalgam alloy or zinc phosphate cement b. composite resins or super EBA cement

b.

What should be included in the clinical examination of the patient is BEST described by an examination of the a. labial mucosa, vestibule, buccal mucosa, gingiva, tongue, floor of the mouth and soft palate b. extraoral structures of the face and neck, and intraoral soft and hard tissues c. facial symmetry, lymph nodes of the neck, and temporomandibular joint

b.

When tooth cusps or MOST of the tooth crown must be removed, how is retention obtained? a. box shaped preparation b. threaded pins c. undercuts

b.

Which can cause trauma to the pulp as a result of common household accidents, auto collisions, or athletic injuries? a. pulp exposure b. traumatic blows

b.

Which dental procedure step requires the use of more instruments, causing instrument transfers to occur more rapidly? a. removal of remaining caries b. placement of the restorative materials c. cavity design

b.

Which instrument is designed for carving proximal surfaces? a. tanner #5 b. #1/2 Hollenback

b.

Which of the following is NOT a use of matrix crowns? a. hold temporarily or sedative filling materials in place b. used as a permanent restoration c. hold broken or fractured teeth in place

b.

Which of the following statements is 𝙩𝙧𝙪𝙚 regarding K-type files? a. cut more quickly than reamers or H-type filers b. used to enlarge the root canal by rotary cutting or abrasive action

b.

Which one of the following 𝙙𝙤𝙚𝙨 𝙣𝙤𝙩 describe a root canal reamer? a. acts as a paste carrier to place cement near the apex b. identified by an eight-pointed star symbol

b.

The personal protective equipment (PPE) that should be worn when handling scrap amalgam include mask, gloves, a. scrubs, eye protection, and face shield b. eye protection and scrubs c. and eye protection

c.

When you assist in the examination section, a large portion of your time consists of a. screening records and assisting in emergency procedures b. exposing radiographs and maintaining steady patient flow c. performing administrative tasks required to complete forms relating to direct patient care

c.

Which amalgam matrix bands have aprons? a. #1 and #13 b. #2 and #13 c. #2 and #15

c.

Which of the following is NOT a purpose of the clinical examination? a. describe and record variations from normal b. evaluate the dental and general health needs of the patient c. provide comprehensive dental care to meet the patient's d. determine variations from normal on the soft and hard tissues within the oral cavity

c.

What is the FIRST step in developing a treatment plan? a. take x-ray b. clean the teeth c. restore teeth d. record examination findings

d.

What is the purpose of dental sick call? a. relieve overbooking of periodic dental examinations b. resolve patient's urgent dental problems so they can return to duty c. provide a convenient time period for active duty members on swing shifts d. diagnose patients' urgent dental problems and refer non-emergency treatment to the appropriate treatment section

d.