Ch.60 Review

Question 1

Indications for orthodontic treatment include:

Answer 1

• malocclusion
• impaired mastication
• susceptibility to decay

Question 2

When taking photographs, the full direct view includes an intraoral view with all ___________.

Answer 2

Teeth in the occlusion.

Question 3

Popcorn is a ______ food that should be avoided by patients with fixed orthodontic appliances.

Answer 3

Husk

Question 4

Using a patients model to select band eliminates the lengthy process of doing this:

Answer 4

Eliminates the lengthy process of chairside.

Question 5

Brackets are mostly placed on __________ and _________

Answer 5

Anterior : Pre-molars.

Question 6

Custom aligners can not be used for all types of _____________ treatment

Answer 6

Orthodontic.

Question 7

___________ is the first step to parathion for bonding brackets to the teeth.

Answer 7

Polish. (Using a fluoride free paste)

Question 8

What might be placed to separate the teeth so an orthodontic band can be placed around the tooth?

Answer 8

Orthodontic separators.

Question 9

An _________ is an excessive vertical overlap of maxillary and mandibular anterior teeth.

Answer 9

Over-bite.

Question 10

An ___________ is used prior to a retainer, can message tissues in the mouth, and retain teeth in position.

Answer 10

Positioner.

Question 11

Thumb and finger sucking should not go beyond the age of ____ because it will start to affect the structure and upper anterior teeth.

Answer 11

5.

Question 12

To prepare for band cementation you should wipe attachments with wax/chapstick, fill the entire inner surface with cement, and place the band _________ surface down on masking tape.

Answer 12

Gingival.

Question 13

Congenitally missing teeth fall under ____________ causes.

Answer 13

Orthodontic problem

Question 14

Orthodontics fixed appliances are also known as _________.

Answer 14

Braces.

Question 15

An evaluation over ________ and ____________ is needed for the diagnosis and treatment planning of an orthodontic case in order to determine the reason why a patient seeks orthodontic treatment.

Answer 15

Social and behavior

Question 16

The __________ is the pattern that gives the dental arch its shape.

Answer 16

Arch wire.

Question 17

_____________ is a type of arch wire that is stiffer and stronger than other types of wires.

Answer 17

Nickel titanium

Question 18

The mesiobuccal cusp of the maxillary permanent first molar occludes in the interdental space between the distal cusp of the mandibular first permanent molar and the mesial cusp of the mandibular second permanent molar is Class _____ Malocclusion

Answer 18

III.

Question 19

Buccal arch wire tubes are located on bands. What teeth are they placed on ?

Answer 19

Maxillary 1st molar.

Question 20

When cutting a ligature pigtail tuck it towards the _________ or in the ____________ space, and run a finger over area to check for comfort.

Answer 20

Occlusal ; interproximal

Question 21

What are attached to hooks and buttons that are secured on the band or bracket.

Answer 21

Elastics

Question 22

To place elastic separators you can use ___________ or __________ pliers.

Answer 22

Dental floss ; elastic separating pliers.

Question 23

Popcorn, chewing gum, and sticky candy should also be avoided when you have an ________ appliance.

Answer 23

Fixed.

Question 24

What type of separators are placed between contacts with a “sawing” motion of flossing motion?

Answer 24

Elastomeric

Question 25

_______________ function is a serve malocclusion and dental facial deformities, both or which can cause social stigma and have a negative effect on a patient’s self-esteem.

Answer 25

Psychosocial

Question 26

___________ attachments are the most common attachments for fixed appliances.

Answer 26

Bonded bracket

Question 27

An _____________ radiographs is taken in orthodontics to study, make measurements, and analyze growth of the skull.

Answer 27

Cephalometric .

Question 28

The labial hook on the facial surface of the first and second molar band and bracket hold _________ elastics

Answer 28

Interarch

Question 29

An __________ type of arch wire would not be used to position the crown and root of the teeth in the final stage of treatment

Answer 29

Round

Question 30

In Class ____ occlusion, or distoclusion, the mandibular arch and the body of the mandible are in bilateral, distal relationship to the maxillary teeth.

Answer 30

II

Question 31

_____________ are an instrument that is used to disengage wire ties when removing an arch wire

Answer 31

Ligature cutter

Question 32

______________ are an instrument that contours a band around the tooth to allow for minimal exposed cement at the margins.

Answer 32

Contouring pliers.

Question 33

An _________ is a condition that occurs when the mandible is located ahead of the maxilla

Answer 33

Underbite

Question 34

Steel separatpor’s can be left in the mouth for ____ days , and the elastic can be left in the mouth for _____ day as.

Answer 34

5 ; 14

Question 35

During the frontal evaluation of facial esthetics, the face is examined to examine for ___________

Answer 35

Bilateral symmetry

Question 36

______________ radiographs is commonly exposed of an orthodontics patient.

Answer 36

Cephalometric projection.

Question 37

To retain the teeth in their desire position, what is used?

Answer 37

Orthodontic positioner.

Question 38

_______________ are used to stretch around the orthodontic bracket in order to lighten the arch wire.

Answer 38

Elastometric/ ligature wire.

Question 39

Arch wires that are normally used in the early stages of treatment because they are flexible are made from __________.

Answer 39

Nickel titanium

Question 40

An orthodontic __________ removes elastomeric ring separators.

Answer 40

Scaler

Question 41

After preparing the tooth for bonding brackets, the bonding material is placed on the ________ and the sealant is placed on the ________.

Answer 41

Bracket ; tooth.

Question 42

When twisting and cutting wire ligatures, the pigtail should be left ___ - ___ mm long.

Answer 42

4- 5

Question 43

Applying force to either move the teeth or hold them in the desire position is the function of the _________.

Answer 43

Arch wire.

Question 44

An ________ is either welded to bands or attached to a backing pad that is bonded directly to the teeth.

Answer 44

Bracket.

Question 45

____________ is a non-nutritive habit that may be a result in narrowing of the maxilla.

Answer 45

Mouth breathing.

Question 46

Orthodontics problems result from the interactions of ____________, _____________ or _____________.

Answer 46

Developmental Genetic Environmental

Question 47

The headgear, tubes, stabilizes the ends of the __________.

Answer 47

Facebow.

Question 48

_____________ is the power product that is used to close space between teeth.

Answer 48

Elastic chains.

Question 49

Where is the cement placed on orthodontic bands?

Answer 49

On the inner surface of the band.

Question 50

_____________ are used in the placement of elastomeric ligature ties.

Answer 50

Locking hemostat.

Question 51

A tooth that is not properly aligning with its opposing tooth is referring to an __________.

Answer 51

Cross-bite.

Question 52

To move the ____________ is the purpose of a cervical traction headgear device.

Answer 52

Maxillary first molar distally.

Question 53

Using interproximal brushes, floss threaders, or a waterpik will help the patient clean under the _________.

Answer 53

Arch wire.

Question 54

What cement is commonly used for cementing orthodontic bands?

Answer 54

Glass ionomer

Question 55

______________ are stainless steel and holds dental arch wire in place.

Answer 55

Ligature ties.

Question 56

Normal occlusion is considered Class __.

Answer 56

I.

Question 57

True or False: Can dental assistants remove primary teeth?

Answer 57

False