GDS

What is the one difference in cavity design for an amalgam versus a composite slot preparation?

Retention groove

What is true about selective caries removal protocol?

SCR can be used for a tooth with o history of spontaneous pain, normal responses to thermal stimuli and a vital pulp ACR can be used on a tooth with advanced caries that is deemed restorable and with a healthy pulpal and periapical area Deep lesions should be excavated to a caries free DEJ and soft dentin

What are some risk factors for developing caries?

Saliva reducing factors; disease, radiation, and medications Visible heavy plaque Frequent sugared beverages/ snacks

Resin modified glass ionomers are widely used as liners for amalgam and RBC restorations. This is primarily because RMGI has the ability to

Seal and bond in dentin

What is the most critical area to capture when making a digital impression for any restoration?

TH interproximal areas

The step in cavity preparation after the removal of caries

Pulp protection if required

Beveling the gingival margin of a prep is related to

Margination

The facial and lingual walls of a class I preparation form amalgam should form a

<90 degree angle with the pulpal floor

A liner is indicated if your excavation is within

0.5 mm of the pulp

RMGI

Releases lower levels of fluoride than traditional glass ionomers

Cavity preparations for amalgam restorations must extend a minimum of how far into dentin?

0.5 mm

Generally it is desirable to have approximately a

0.5-1 mm thickness of bulk between the pulp and a metallic restorative material

The diameter of a #330 burr at its cutting edge is

0.8

The home are protocols for a high-risk patient include

1) Brushing, flossing, fluoride toothpaste 2) President prescription 3) Advise the use of sugar free gum 3-5 times a day 4) CPP-ACP (MI Paste) in home tray 5) Topical fluoride every visit 6) Dietary education and guidance

The axial depth of an ideal class II preparation for amalgam on tooth #29 is

1.0 mm

The minimum thickness of amalgam needing to resist the forces of mastication is

1.7 mm

A patient complains of pain on cold. Upon examination you find a large caries lesion at tooth #2 mesial. After preparation to a depth of less than 0.5 mm from the pulp, you place decal and IRM. Two months later the patient returns with no discomfort. How much of the IRM would you remove prior to placing the amalgam restoration?

1.7-2.0 mm of the IRM occlusally and 1.3 axially

Night guard vital bleaching or at home virtal bleaching techniques commonly use

10% carbamide peroxide

A low risk patient for caries should be on a

12 month recall schedule

At home bleaching kits contain

15% carbamide peroxide

You have identified your patient as low risk for caries. Bitewing radiographs are indicated in

24-36 months

The cutting length of a 1556 burr is

3.8 mm

In-office, non-vital bleaching techniques often use

30-40% hydrogen peroxide

The facial and lingual walls of a class I amalgam prep should create what angle with the pulpal floor?

87 degrees

In a class I preparation the mesial and distal walls from what angle with the floor of the preparation?

96 degrees

A patient who came in with two smooth surface caries and is a methamphetamine user should be classified as

A high risk patient

During the process of excavating deep caries on a vital tooth, what is the most reliable sign you are near to the pulp?

A hint of pink in the deepest part of the cavity

Patient presents him/ herself to you with radiographic caries on the mesial of tooth #5. Upon examination you find the caries index is low. You would restore this tooth with

A mesial slot composite and occlusal sealant

A patient presents with deep caries lesion in tooth #20 distal. The tooth is asymptomatic and vital. How would you treat this tooth?

Adhesive and composite restoration

A good way to know if your patient bit down correctly is a. Analytical tools will ensure non-functioning cusps are highlighted in blue b. Ask your patient c. Analytical tools will ensure functioning cusps are highlighted in blue d. Use articulating paper

Analytical tools will ensure FUNCTIONING cusps are highlighted in blue

When we deepen the box of a class II we are moving the

Axial wall towards the pulp

What is the correct order of events to start a treatment plan on a new patient?

Enter Tx plan, Faculty approval, Patient approval, Patient signature

The sedative portion of IRM is

Eugenia

Doing a Class V composite restoration because of caries, the outline form should

Be determined by the extent of the caries

Doing a class V composite restoration because of caries, the outline form should

Be determined by the extent of the caries

In axium, in the treatment history tab, the completed and approved patient notes are in

Brown script

32 year old healthy female comes to your office complaining of tooth pain on her right side. On x-ray and visual examination, you find a large class I lesion in tooth #18. After preparation of the tooth under your rubber dam you find a very small pulpal exposure. The treatment of choice at this patient visit should be

Ca(OH)2 and IRM only

A 32 year old health patient comes to your office complaining of pain. Visual and radiographic examination reveals a large occlusal caries lesion in tooth #18. After anesthesia and excavation of the tooth under rubber damn, you find a very small pulpal exposure. The treatment of choice at this point should be

Ca(OH)2 and IRM only

A class V erosive lesion is caused by

Chemical dissolution

A 25 year old patient present with class II, D2 caries on tooth number 4. The caries risk is low. What is the treatment of choice?

Conservative composite preparation

Carbamide peroxide is frequently fund in bleachin agents. This chemical

Contains urea which stabilizes hydrogen peroxide

The proximal box in a G.V. Black preparations should

Converge Gingival-occlusally

Te gingival and incisal walls of a class III maxillary composite restoration

Converge towards the lingual

The mesial and distal walls of a class I preparation for amalgam should

Create an obtuse angle with the pulpal floor

A long standing patient returns for a routine check-up, at which time you decide to take bitewing radiographs. Caries on tooth #31. You decide to place a sealant because the patient is very conscientious and returns on the regular. The sealant should

Cut off fermentable carbohydrates and oxygen

There is a D2 decay on both M & D of the tooth #14. The patient is low caries risk. the decay is Aldo present in both occlusal fossae. the decay does not under mid the oblique ridge. You should

Cut two class II preps

You have placed a composite restoration with only decal liner but no RMGI. Sensitivity and pain may occur due to

Debonding of composite

The following are fields in an axium treatment plan:

Describe the patient problem Link the problem to a diagnosis Describe the patient treatment, all three fields are required

Preparing a class V cavity because of caries, the outline form should've be

Determined by the extent of the caries

A moderate risk protocol must be followed for a minimum of 6 months before the patient can be moved to low risk

False

In the modified Class II G.V. Black preparation you must extend into the gingival embrasure. The proximal must diverge gingival-occlusally.

First statement is true Second statement is false

Marcy bee is classified as low risk for caries. Her protective protocol will include all of the following

Fluoride toothpaste Dietary education and guidance Oral hygiene, brushing and flossing

What is the most common side effect of bleaching strips?

Gingival irritation tooth sensitivity

In axium, in the treatment history tab, the completed and approved procedures are in

Green script

A hand instrument with a cutting edge parallel with the instrument's handle is a

Hatchet

A hand instrument with a cutting edge perpendicular to the instrument's long axis is a

Hoe

According to Hirata's lecture what is the best method to bleach teeth?

Home bleaching

Fluoride used during bleaching helps convert

Hydroxyapatite to fluoroapatite

A 92-year old healthy female came to your office complaining of tooth sensitivity on her right side. On x-ray and visual examination you find a large class I lesion in #31. After anesthesia and the preparation of the tooth you find no pulpal exposure. The treatment of choice at this patient visit would be

IRM only

You have just completed an atypical prep. All secondary retention such as grooves, pins, and slots are located

In dentin and at least 0.5 mm from the Dentinogenesis-enamel junction

You are cutting a class III preparation using the facial approach on tooth #26 and you see that you have compromised the integrity of the enamel on the lingual surface. You should

Leave the unsupported enamel and restore

One of the biggest reasons for failure on the hands on portion of the boards is

Not achieving contact with the adjacent tooth due to the inability to burnish the band to the adjacent tooth

When should SCR not be used?

On a patient with a high caries risk who may also have multiple lesions

When do you bevel a class III preparation?

Only if facial approach

When do you bevel a class III prep?

Only if the approach is from the facial

You are about to restore a class V cavity on tooth # 7 for aesthetic reasons. The preparation should

Only involve the defect

Extending slightly into the major grooves is related to which step of cavity preparation?

Outline form

Preserving the uninvolved marginal ridge of a class II amalgam preparation is related to

Outline form

What is the preservation of an uninvolved marginal ridge classified as regarding preparations?

Outline form

The mechanism for bleaching teeth is

Oxidation of organic pigments

how should the pulpal floor of a class I cavity be aligned in relation to occlusal forces

Perpendicular

Which of the following is a contra-indication for at home bleaching?

Poor oral hygiene

A liner may be places on what cavity walls?

Pulpal and axial

In axium in the treatment history tab, the in-process and approved procedures are in the

Purple script

In order to make a digital impression of a crown preparation for tooth #30, which is the appropriate technique?

Put lens of camera parallel to occlusal plane on the occlusal, roll to the buccal, back to the occlusal, roll to the lingual

You restored a tooth with an amalgam restoration of moderate depth two years prior. The patient returns with decay at the interface of the tooth ad the restoration. What may have you omitted when placing the restoration?

RMGI

You have just prepared a class I of moderate depth for a composite restoration. What is the order of steps prior to placing the restoration?

RMGI, Light Cure, Etch, Rinse, Bonding agent, Light cure

The process of bleaching and the addition of fluoride helps to

Reduce root sensitivity and "even out" the bleaching process

What is the best material to seal the dentinal tubules against bacterial invasion?

Resin modified glass Ionomer

Beveling the axio-pulpal line angle of a class II amalgam cavity preparation is related to

Resistance form

Failure to bevel the axiopulpal line angle of a class II preparation violated which step of cavity preparation?

Resistance form

Rounding the axial pulpal line angle is related to

Resistance form

Smoothing the facial and pulpal walls of a cavity preparation is related to which step of cavity preparation?

Resistance form

On examination of a patients bitewing radiographs, you find a very large caries lesion on the occlusal of tooth #19. The patient reports no symptoms. The next thing you should do is

Take a periapical radiograph of the tooth

Ca(OH)2 is bactericidal over a pinpoint exposure. Another one of its qualities is

That is is able to to stimulate a dentin bridge over the exposure

In axium, in the treatment history tab, the planned treatment and approved procedures are in

The Red script

You are asked to evaluate a classmate's "ideal" class II DO amalgam preparation on tooth number 30. Upon examination, you note the entire width of the blade of a 13-95-9-15 hatchet fits exactly between the axial wall and the gingival cave-surface margin. What can be inferred?

The axial depth is perfect

What is true about a class III maxillary composite restoration?

The gingival and incisal walls converge towards the lingual

The location of the proximal box on a class II preparation is dictated by by

The proximal contact areas

Cavity preparation for composite resin must extend a minimum of haw far into dentin

There is no minimum depth for composite

When preparing tooth number 28 for a class I amalgam restoration, the correct outline form, on the occlusal of a modified G.V. Black preparation

Varies on the size of the transverse ridge

Indications for chairside CAD/CAM procedures include

Veneers Onlays Ceramic (Lithium disilicate) crown

The axial depth of proximal slot preps may be greater than the ideal depth to assist

Visualizing if caries is remaining

In an amalgam slot preparation when would it be necessary to place retention grooves?

When the exit angle is greater than 90 degrees

Following selective caries removal protocol, when could you place a final restoration?

When the patient has provided informed consent `

What are some disease indicators for caries?

White spots/ visible de-mineralization Cavitated smooth surface carious lesions Interproximal de-mineralization

You have just completed a class I modified G.V. Black composite preparation on the occlusal surface of tooth #18. Upon evaluating it, you note that the preparation will not accommodate your smallest condenser. How would you complete this preparation, prior to placing the restoration?

Widen the preparation faciolingual-lingually

How is surgical removal of caries achieved?

With rectilinear and rotary instruments

Is it necessary to place n additional liner or base over Ca(OH)2 on a pinpoint exposure?

Yes

What can be used as a base?

Zinc phosphate cement > .5 mm of RMGI IRM