Dent 1113 Test 2

What are the positions for patients in the dental chair?

Upright

supine

subsupine

What is upright position?

Used for patient entry and dismissal, exposed radiographs, and impressions taken

90 degree angle

What is supine position?

Most treatments completed in this position

Patient head and knee are at same level

What is subsupine position?

patient head lower than patient feet

recommended for emergency situations such as syncope and for treatments of unconscious patients

What is the proper working distance between operator and patient’s face?

12 - 14 inches

What is the chair position for the operator?

front edge of the stool touching the back of the knees

Seated far back as possible

thighs parallel to the floor

knees slightly lower than hips

backrest of chair positioned to support lower portion or small of the back

height of the chair maintained to keep operators forearms parallel to the floor

What is the chair position for the DA?

Seated back on stool

positioned as close as possible to the patient oral cavity

Hip at the patients left shoulder and legs parallel to the patient chair towards the patient head

eye level 4-6 inches above the operator

feet resting on base or foot ring of stool

What is the operator’s zone in right handed?

7 - 12 o’clock

What is the transfer zone in right handed?

4 - 7 o’clockw

What is the assistant’s zone in right handed?

2 - 4 o’clock

what is the static zone in right handed?

12 - 2 o’clock

What is the operators zone?

Area where the person who completes the procedure is seated

What is the transfer zone?

Area where instruments and dental materials are exchanged

What is the assistants zone?

Area where the da is positioned

What is the static zone?

located directly behind patient

What hand is used to transfer dental instruments, dental handpieces and dental materials?

Left hand

What hand is used for suction and to ready the next transfer of a dental instrument or material?

right hand

What way do you transfer instruments to the dentist?

Directing the working end of the instrument downward for the mandibular arch and upward for the maxillary arch

What instruments do you use for single handed technique?

hand instruments

dental handpieces

air-water syringes

what instruments do you use for two handed transfer?

rubber dam forceps

surgical forceps

orthodontic pliers

scissors

What is the procedure for single handed transfer?

1. Pick up the instrument from the tray setup using thumb and index finger and middle finger of left hand

2. Grasp the instrument at the end of the handle or opposite of the working end

3. Transfer instrument from tray into transfer zone instrument parallel to dentist hand

4. Use last two fingers of left to retrieve instrument from dentist tucking in to palm

5. position new instrument firmly within dentist hand

What is the procedure for two handed transfer?

1. Using right hand grasp instrument on the tray setup closer to the working end with your thumb and first two fingers

2. With left hand retrieve the used instrument from dentist using the reverse palm grasp to hold the instrument before placing it back on tray

3. Deliver new instrument to the dentitst so it is oriented with the working end i the appropriate position

4. Return the used instrument to its proper position on the tray

What is the patient head positioning for mand left occlusal?

chin up head turned toward operator

what is the patient head positioning for mand right occlusal?

chin down head turned toward operator

what is the patient head positioning for max left occlusal?

head turned slightly away from operator

what is the patient head positioning for max right occlusal?

chin up and head turned toward operator

when do you use indirect vision?

max right occlusal

max ant lingual

max left occlusal

What is a fulcrum?

finger rest to stabilize hand

Where do you put fulcrum working in posterior?

anterior to tooth working on

Where do you put fulcrum?

Same arch working on

close to working area

Where is it preferred to put fulcrum?

intra oral

What is class I in classifications of motions?

Movement of fingers only

What is class II in classifications of motions?

Movement of fingers and wrist

What is class III in classifications of motions?

Movement of fingers wrist and elbows

What is class IV in classifications of motions?

Use of the entire arm and shoulder

What is class V in classifications of motions?

Use of entire upper torso

What is an example of class I in classifications of motions?

Picking up an instrument or single object from a flat surface or picking up a pencil

What is an example of class II in classifications of motions?

placing or receiving instruments to the operator from the tray with use of a pen grasp or dental material

What is an example of class III in classifications of motions?

transferring instruments to the operator from the tray

What is an example of class IV in classifications of motions?

Reaching for items within the mobile unit, moving radiography unit, and filing patient records

What is an example of class V in classifications of motions?

bending over to see intraorally, retrieving dental materials from a tub or drawer, reaching to hand patients a from to complete

What are do the numbers indicate on the handle of instruments?

Width

Cutting

Length

Angle

What is the number is the width in 07.10.30.20

07

What number is the cutting edge angle in 07.10.30.20?

10

What number is the length in 07.10.30.20?

30

What angle is the angle in 07.10.30.20?

20

What are the different classifications of instruments?

Examination

Hand cutting

Restorative

Accessory

What instrument is this?

Mouth mirror

What instrument is this?

Explorer

What instrument is this?

Cotton forceps (pliers)

What instrument is this?

Periodontal probe

What instrument is this?

Excavator

What instrument is this?

hoe

What instrument is this?

chisel

What instrument is this?

hatchet

What instrument is this?

gingival margin trimmer

What instrument is this?

amalgam carrier

What instrument is this?

condenser

What instrument is this?

burnisher

What instrument is this?

discoid-cleoid carver

What instrument is this?

Hollenback carver

What instrument is this?

amalgam knife

What instrument is this?

Composite placement instruments

What instrument is this?

woodson (FP-1)

What instrument is this?

Spatula

What instrument is this?

Scissors

What instrument is this?

amalgam well

What instrument is this?

Howe pliers aka 110 pliers

What instrument is this?

Articulating paper holder

What is the use of mouth mirror?

indirect vision, reflecting light onto surface, retraction of tongue and soft tissue

What is the use of explorer?

tactile sensitivity to distinguish areas of calculus or decay from discrepancies on the surfaces of teeth

What is the use of cotton forceps?

carry, place and retrieve small objects to and from mouth

What is the use of periodontal probe?

measure sulcus or pocket depth of the periodontium of each tooth

What is the use of the excavator?

removal of soft dentin, debris, and decay from tooth

What is the use of the hoe?

prepare the tooth and plane the walls and floors of the tooth preparation with push-pull action

what is the use of the chisel?

used to break down the enamel margin of the tooth preparation, form sharp lines and points angles, place retention grooves

what is the use of hatchet?

cut enamel and smooth the walls and floors of the tooth preparation

what is the use of gingival margin trimmer?

used cut enamel and place bevels along the gingival enamel margins of the preparation

what is the use of the amalgam carrier?

pack freshly mixed amalgam and carry it to the prepared tooth

what is the use of the condenser?

aka pluggers; composite side is used to prevent sticking and discoloration of restorative material; amalgam side is used to condense freshly placed amalgam into preparation

What is the use of the burnisher?

Used to smooth the surface of the restorative material

What is the use for the discoid-cleoid carver?

carving the restorative material on the occlusal surface

what is the use of the hollenback carver?

contour or remove excess restorative material interproximally

What is the use of the amalgam knife?

removal of excess restorative material along the margin where the material and the tooth structure meet

what is the use of the composite placement instruments?

placement of composite restorative materials

What is the use for the Woodson (FP-1)?

One end is a nib that resembles a condenser; other end is used for carrying dental materials to the prepared tooth structure

what is the use of the spatula?

mixing of a dental material is needed

what is the use of the scissors?

cutting dental dam material, retraction cords, and stainless steel crowns

what is the use of the amalgam well?

newly mixed amalgam is placed in and then picked up in the carrier for transfer

What is the use of the howe pliers?

used for carrying cotton products, removing matrix band, placing and removing wedge; useful for holding items

What is the use of the articulating paper holder?

carry and hold articulating paper

How do you properly transfer instruments working end?

Up for max arch

Down for mand arch

What is the use of the low speed motor with the straight attachment?

Trimming and contouring of custom impression, and whitening trays

What is the use of the low speed motor with the contra-angle attachment?

Removal of soft decay and fine finishing of a cavity preparation

Finishing and polishing restorations

Adjustments of porcelain and/or gold fixed restorations

Root canal treatment

what is the use of the low speed motor with the prophylaxis angle?

Coronal polishing procedures

What is the use of the high speed handpiece?

Used for restorative procedures and specialty procedures such as endodontics and fixed prosthodonticsW

What is the use the laboratory handpiec?

Use for finishing or polishing a cast restoration before cementation, removable prosthesis, or tray materials

What is the use of the ultrasonic handpiece?

Used for scaling and root planning procedures

What is the use of the laser handpiece?

Removal of decay and to prepare the tooth for the final restoration

Reshape or remove gingival tissue because of inflammation and disease

Removal of tissue intraorally for biopsy

Teeth whitening procedures

What is the use of the air abrasion handpiece?

Remove enamel, dentin, restorative materials without compromising healthy tooth structures