Dental Assistant 150! Test 2 Study Guide

What do Diagnostic Instruments and Aids consist of?
Mouth Mirror, Explorer, probe, and cotton forceps

What is the Mouth Mirror used for?
Small rounded mirror with a detachable handle

What is the Mouth Mirror used for?
Used to view the oral area, reflect light into the oral cavity, retract the tongue and oral tissues,and protect the oral mucosa from injury

What is a Explorer?
Created as a double ended instrument with a probe on the opposite end.

What is the Explorer used for?
Used to detect breaks in the enamel of the tooth and the integrity of tooth and restorative margins.

What is a Probe?
often found as a double ended instrument with an explorer on tue opposite end. Has a long, blunt working end.

What are Cotton forceps?/
Tweezer like instruments used to place cotton pellets, medications, and dressings in the oral cavity. Can transport small items us as wedges to and from the mouth.

What are Diagonostic aids used for?
used to diagnose dental conditions.

What is a Electric pulp teset?
Vitalometer, uses variable controlled electrial charges to measure the vitality of the pulp.

What is the Spoon Excavator used for?
Used to remove soft dentin, debris, and caries from the tooth.

What is the Chisel used for?
Used to smooth the enamel margin of the cavity preps on anterior teeth

What is the Gingival Margin Trimmers (GMT) used for?
used to place a bevel along the gingival margin of cavity prep.

What are GMT’s primarily designed for?
Mesial or distal surfaces
Even= distal surfaces
Odd= Mesial surfaces

What is the Toffelmire retainer responible for?
Holding the stainless steel matrix togerther.

What is the Matrices (matrix)?
Disposable accessory that forms a wall or box around a tooth to hold the filling material until it sets.Separates the restoration from the adjacent tooth ensuring a contact will remain between the teeth.

What are Wedges?
Are triangular disposable accessories used with a matrix. Made of wood or plastic.

What are Wedges used for?
Help contour the matrix to the tooth anatomy. They also help to reduyce gingival irritation due to overhangs/excessive restorative material projecting over the cavity margin.

What is the Amalgam Carrier used for?
Used to carry amalgam to the cavity prep. Most are double ended

Amalgam condenser
Has a flat working end.

What ia Amalgam condenser used for?
Used to pack the amalgam into the cavity preparation

Amalgam Well
Made of metal and has a non-skid base.

What is an Amalgam well used for?
The newly mixed amalgam is placed into the amalgam well and then picked up by the amalgam carrier for transfer.

Amalgam Retention pins
Provide retention for teeth in this condition.

What are Carvers used for?
Are used to carve or recreate the tooth anatomy on amalgam restorations

Interproximal Carver
Hs thin, rounded working ends. It can be used on mesial, distal, facial, and lingual surfaces

Can be used to carve occlusal surfaces. It is a double ended instrument. The discoid end is disc shaped; the cleoid end is shaped like a spade

Hollen back
used on mesial, distal, facial, and lingual surfaces. It has thin working ends that are pointed

Walls Carver
Double ended instrument that carves occlusal surfaces. It is square on one end and rounded on the other

Used to smooth or buff amalgam restorations.

What are the three Burnishers called?
The small and large ball
Ovid (football)
Anatomical burnisher (acorn shaped)

Constructed of chrome or teflon designed to place resin into anterior cavity prepartions.

Aspirating Syringe
used for administering local anesthetic

Anesthetic Carpule
A glass cartridge containing the anesthetic. Placed into the barrel of the aspirating syringe

Sharp’s container
Needles, carpules, and any other potentially sharp disposables must be discarded in a sharps container.

Dental Dam
A thin rubber like square sheet whichh comes in light, medium or heavy degrees of thinkness. It is commoly made of latex

What is the Dental Dam used for?
used to isolate the tooth or teeth being worked on from the rest of the mouth.

Dental dam punch
Used to punch different size holes in the rubber dam materal.
Sizing of the hole confirms the tooth

Dental dam frame
Dental dam material is placed on a U shaped rubber dam frame

Denta Dam clamps
Are the primary means of anchoring and stabilizing the dental dam to the arch.

Dental Dam Clamp forceps
Are placed and removed with dental dam clamp forceps

for saftey, a ligature made of dental floss is attached to the dental dam clamp.

Chrome or teflon, does not stain and used on anterior resins

Rounded ends an used to smooth and shape composite materials

Dappen dish
Multipurpose glass container that can be used to hold medications,bur, cotton pellets, etc

Made of stainless steel or plastic, that is ussed to mix materials

Articulating paper & forceps
Carbon paper that can be used to check patients “bite” on the occlusal surface for high spots.

Visible light cured (VLC) shade guide
The dentist can compare the patients natural tooth color to a VLC shade guide in order to choose the correct color of restorative material for anterior teeth

Dycal instrument
Used to mix and place dycal, pulp protector, in cavity

High Volume Excavator (HVE)
Suction tip (sterile or disposable) used to remove debris in oral cavity and preparation

Bur Types
Friction gipp-high speed hand piece and latch angle type- slow speed hand piece

Bur Parts
Head working or cutting, Neck-narrow, connects head to shank,

What are High Speed Handpieces used for?
To use with bur to cut tooth with decau or other dental anomalies
To use with bur for adjusting crowns and bridges for final fit

What are the functions of an Fiberoptic High-Speed handpiece?
To illuminate tooth during preparation for restoration.
To Provide light intraorally during use of handpiece
To use with bur to cut tooth with decay or other dental anomalies.
To use with bur for adjusting crowns and bridges for final

What are the functions of a slow speed motor with straight handpiece?
To use with slow-speed attachments
To use straight attachment with long-shank straight bur.

What are the functions of a Slow-speed motor with contra-angle
To use with burs for intraoral and extraoral procedures
To remove decay, polish amalgam restorations, refine cavity prepartion, adjust provisional and permanent crowns and bridges, adjust occlusal restorations, adjust partials and dentures

Alloy of silver,tin,copper,mercury, and zinc

Main or supporting ingredient

Chemical accelerant without being consumed

preservation or finishing chemical or physical process

Surface acidic cutting process

Soothing colorless liquid made from clove oil

Capable of being shaped without being damaged

Process of mixing

Thickness of a liquid that impedes its flow.

What is Eugenol (cavitec)?
Has a sedative effect on pulpal tissue and may cause necrosis to pulp if applied directly

When is Eugenol used?
in deep cavity preps as dentin replacement material.

Glass Ionomer Base (Vitrabond) mix amount?
1 scoop of powder to 1 drop of liquid.

What are three types of amalgam?

What are some advantages of amalgam?
Can restore all surfaces of tooth.
Freshly mixed-soft, pliable, easily condensed and shaped
High compression strength upon setting- withstands biting forces

What are some disadvantages of amalgam?
Non esthetic-silver color does not match natural tooth color
Microleakage and recurrent decay a=may occur
Contains mercury

What are some physical charactersitcs of mercury?
Liquid at room temperature
Vaporizes with increased heat
Provides plasticity to amalgam restorations
Highly poisonious

What does DEERS stand for?
Defense Enrollment Eligibility Reporting System

What is DEERS?
Computer based defense enrollment and eligibility verifcation system

What does DENCAS stand for?
Dental Common Access System

What is DENCAS?
central web data bae of dental patients and acessed by any dental treatment facility. used to track coded procedures for patient treatment

What does DTF stand for?
Dental Treatment Facility

What does PSR stand for?
Periodontal Screening and Recording

What is PSR?
determines the periodontal health of patient

What does FMDP stand for?
Fanily Members Dental Plan

What is FMDP
dental insurance plan for Reservists, active duty family members and retired personnel

What is the Type 1 Dental Examintation?
Most extensive and lengthy clinical evaulation. Used in treatmenat plammimg for full-mouth recomstruction.

Periodic dental examination Type 2
Routine annually and appropriate Treatment plan

Other dental examination Type 3`
Consultation for staff and residents
Emergency exams
Defective restoration

Screening Evaluation Type 4
Least comprehensive, processing recruits

Dental Class 1
No treatment required

Dental class 2
Treatment needed and emergency care NOT required within 12 months

Dental Class 3
Treatment needed and emergency care MAYBE required within 12 months

Dental Class 4
exam required or unknown classification

What two Dental classes are you deployable?
Dental Class 3 and Dental Class 4

Category 1A
Members of the uniformed services on actic duty

Category 1B
Members of a Reserve Component of the Armed Forces and National Guard personnel

Category 2
Family member of active duty members of the uniformed services; family members of persons who died while in such a status

Category 3
Members of the Senior Reserve Officers Traning Corps

Category 4
Retired members of the uniformed services and their family members

Category 5
Civilian employees of the Federal Gocernment.

Category 6
All others

A tooth, root, or implant used for support and retention; removable prosthesis

Surgical removal of apex of root

Chief complaint
Patients most significant symptom or sign

Complete Denture (CD)
Max and/or Mand teeth removable replacement

Crown(Gold or Porcelain)
Cast restoration covering anatomical crown

Deciduous Teeth
Primary Teeth

Space between teeth (no contact)

Drifted Teeth
Lateral movement of tooth into space of missing. Adjacent tooth; usually mesial movement

Edentulou arch
Max or man teeth missing in entire arch

Surgical removal

outside of oral cavity

abnormal tube-like drainage from abscess to gingival surface.

Fixed Partial Denture (bridge)
Prosthetic teeth attached to natural teeth

Forensic Examination
identification exam via dentition and dental records

Fractured tooth
cracked tooth

division of root

Gold restoration
Soft, yellow, corrosive-resistant metal indirect restorations

inside oral cavity

missing teeth
Teeth surgically, traumatically, or genetically removed


Nonmetallic permanent restorations
filled/unfilled resins, glass ionomer

Oral Cancer Screening (OCS)
palpation of oral caviity,head, and neck for abnormalities

Oral Health Instruction (OHI
motivationg oatients to change behavior to recognize and prevent dental disease

artificial tooth in a bridge

Porcelain Fused to Metal (PFM)
Thin Porcelaion fused to facial surface of metal crown

Porcelain Veneer
indirect porcelain veneer bonded to tooth

Preventive dentistry (program)
patient education

Probing Perio Probe (slender flexible instrument)
explore and measure periodontal pockets

Complete removal of vital pukp from a tooth

Removal of the coronal portion of a vital pukp from a tooth

Process of withdrawal or wearing away fom normal location

Removable Partial Denture (RPD)
Removable appliance replacing missing teeth

Restoration (tooth filling)
Composite, Amalgam.

Snake Eyes
double occlusal pits

Root Canal Filling (RCF)
Gutta Percha place in canals.

Supernumerary teeth
Extra teeth (nore than 32)

Tooth Decay class 1
Small cavity or lesion affecting pits and fissures

Tooth Decay class 2
Extension of class 1 cavity into proximal surfaces of premolars and molars

Tooth Decay class 3
Interproximal surface (mesial and distal) of incisors and caninies

Tooth Decay class 4
Larger surface area, including incisal edge and interproximal surface of incisors and canines

Tooth Decay Class 5
near CEJ

PSR Score Code 0
No calculus, no bleeding present, and healthy gingival

PSR SCORE code 1
No Calculus and slight bleeding

PSR Score code 2
Supra/subgingival calculus and/or defective margins; light bleeding

PSR Score code 3
Moderate spontaneous bleeding; colored area of probe partly visible in deepest and probing depth

PSR Score code 4
Spontaneous heavy bleeding; colored area of probe not visible.

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