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Units 315, 308, 309 revision > Unit 308 - restorations, endo, oral health, xla > Flashcards

Unit 308 - restorations, endo, oral health, xla Flashcards

1
Q

You can prevent and control perio disease by:

A

scaling and polishing

debridement

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2
Q

To prevent and control caries use:

A

fissure sealants

flouride treatments

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3
Q

You can restore cavities using:

A

temporary restorations (cavit)

Amalgam

composite

Glass ionomer

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4
Q

What is SUPRAGINGIVAL?

A

Above the gumline

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5
Q

What is SUBGINGIVAL?

A

Below the gumline

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6
Q

What is the difference between topical and systemic flouride?

A

TOPICAL - applied externally to the tooth

SYSTEMIC - ingested and incorporated into the tooth from within

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7
Q

What is this instrument?

A

Subgingival Curette

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8
Q

What is this instrument?

A

Sickle scaler

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9
Q

When would you use a Gates Glidden drill?

A

To access the root canal

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10
Q

When does plaque formation start?

A

After toothbrushing

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11
Q

The Maryland Bridge is a type of fixed restoration used to replace missing anterior teeth in particular. What is the advantage of this type of bridge over more conventional bridges?

A

It conserves tooth tissue

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12
Q

What instrument would remove supra calculus?

A

Sickle scaler

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13
Q

Following surgery for oral cancer, an anatomical defect may be left in the patient’s oral cavity, which can be successfully closed by wearing a special appliance. Which term describes this type of appliance?

A

Obturator

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14
Q

What Black’s Classification requires the use of a metal matrix system when placing a restoration?

A

Class II

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15
Q

A dental nurse may be required to retract the mucoperiosteal flap during minor oral surgery. What is the appropriate instrument to use?

A

periosteal elevator

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16
Q

What is the best advantage for a composite restoration?

A

Aesthetics

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17
Q

What syringe is used for an intra-ligamental?

A

Ligmaject syringe

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18
Q

What is the effect of smoking on oral health?

A

Delays healing

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19
Q

Which is an example of systemic fluoride?

A

Fluoride tablets

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20
Q

A patient has had a full gold crown fitted on the lower left second molar tooth, but experiences discomfort in the tooth when closing the mouth fully. Which item is required to solve the problem?

A

Articulating paper

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21
Q

Endodonic treatment involves various procedures on teeth. Which one endodontic procedures involves a retrograde root filling?

A

Apicectomy

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22
Q

Before taking an impression of a tooth which has been prepared for a crown, the dentist ensures that the preparation margins are clearly visible. Which instruments is used for this purpose?

A

Retraction cord

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23
Q

Zinc oxide and eugenol cement is a versatile and widely used material in dentistry, with various different uses. Which situation would this material not be used?

A

Lining under composite

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24
Q

Which type of local anaesthetic administration technique will usually require the use of an aspirating syringe, anaesthetic cartridge and a long 27 gauge needle?

A

Nerve block

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25
Q

What is the description of a Class II cavity in a tooth?

A

Involves two surfaces of a posterior tooth

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26
Q

What is the correct meaning of DMF?

A

Decayed, missing and filled

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27
Q

Which disease process presents as a slow-growing abnormal sac of fluid within the body tissues?

A

Cyst

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28
Q

Which area in the oral cavity is least effectively cleaned by manual toothbrushing?

A

Interdental area

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29
Q

What is the correct constitution of acid etchant that is used during a restorative procedure using a composite material?

A

33% phosphoric acid

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30
Q

What is the first action that must be carried out to an alginate impression that has just been removed from the patients mouth to render it safe to be handled by laboratory staff?

A

Rinse under running water to remove gross debris

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31
Q

What is the most likely presentation of an early carious area in a tooth?

A

White spot lesion

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32
Q

What is an example of a non-milk extrinsic sugar?

A

Dextrose

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33
Q

Which instrument is correctly used to extirpate the pulp contents during endodontic treatment?

A

Barbed broach

34
Q

What is duraphat dental suspension?

A

This is a topical flouride application.

35
Q

A thick mix….

A

sets quicker than a thin mix

36
Q

Why do we retract soft tissues during procedures?

A

This avoids damage to the soft tissues and also provides good vision for the dentist

37
Q

What four moisure control techniques can be used during restorations?

A

High speed aspiration

Saliva ejector

Use of cotton rolls

rubber dam

38
Q

What does irrigation do during the restoration procedure?

A

Irrigation comes from the high speed handpiece during the cavity access and preparation. it prevents heat damage to the tooth

39
Q

A perforation of the maxillary sinus with an endodontic file is

A

an oro-antral fistula

40
Q

What is the best way to improve the oral hygiene to a teenager?

A

Interaction

41
Q

Following an extraction of the upper right first and second molar teeth, you are asked to give the patient his postoperative instructions. Which activity is likely to result in a reactionary haemorrhage if your advice is ignored?

A

Rinsing the mouth

42
Q

What is the best form of topical fluoride to use at home?

A

toothpaste

43
Q

What is the advantage of glass ionomer?

A

adheres to the tooth surface

44
Q

When is a short (30g) needle used?

A

Infiltration

45
Q

The primary function of a lining material is to …..

A

reduce post-operative sensitivity

46
Q

What ingredient of amalgam is considered to be hazardous?

A

Mercury

47
Q

It is not always possible for patients to brush their teeth after every meal, especially when away from home at lunchtime. The dental team will then advise the use of detergent food to help remove loose food debris at the end of the meal. Which food should be recommended to patients?

A

Carrots

celery

48
Q

Which risk factor is associated with caries and obesity?

A

High-sugar diet

49
Q

What is the correct classification of a mesio-palatal cavity in the upper right lateral incisor?

A

Class III

50
Q

Which restorative materials is not suitable for use as a temporary filling material in a deciduous tooth?

A

Zinc polycarboxylate

51
Q

Which moisture control techniques is the most successful at preventing tooth contamination during endodontic treatment?

A

Rubber dam

52
Q

What is a reason for restoring a permanent tooth but not necessarily a deciduous tooth?

A

Aesthetics

53
Q

A permanent tooth is undergoing restoration by filling. What is the correct sequence of events in this procedure?

A

Caries removal, shaping, lining and filling

54
Q

A tooth may require one of the several types of endodontic treatment to avoid extraction. Which type of treatment involves the use of endodontic files during its completion?

A

Pulpectomy

55
Q

What is the main benefit to the patient of having a missing tooth replaced by an implant rather than a bridge?

A

Single tooth involvement

56
Q

A class II cavity has been prepared for amalgam restoration in an upper molar tooth. Which item must be used by the operator before the filling can be placed?

A

Matrix outfit

57
Q

Identify this instrument that would be used to complete the elevation of a mucoperiosteal flap?

A

periosteal elevator

58
Q

This local anaesthetic syringe would be used to administer which type of injection?

A

Intra-ligamental

59
Q

Name this instrument that would be used to extirpate pulpal soft tissue.

A

Barbed broach

60
Q

Name these forceps and their use

A

Miller forceps for holding articulating paper

61
Q

Name this rotary endodontic instrument

A

Paste filler

62
Q

Name this instrument

A

Adams pliers

63
Q

Name this instrument

A

Finger spreader - spread endo paste

64
Q

The three main oral diseases that are commonly seen in the dental workplace are caries, gingivitis and periodontitis. What is a causative factor in all three of these diseases?

A

Dental plaque biofilm

65
Q

Many oral health risk factors are also linked to general health issues. What risk factor is associated with enamel erosion, a form of non-carious tooth surface loss?

A

Bulimia

66
Q

A regular patient at the dental workplace has been diagnosed with several early carious lesions during their recall appointment, so a discussion about dietary habits and changes ensues. Which seemingly healthy product is most likely to be revealed as a source of free sugars in their diet?

A

Fruit smoothies

67
Q

Dental caries and periodontal disease are the main oral diseases that may result in tooth loss in humans. There are several preventive measures that can be undertaken by the patient and the dental team. Which preventive measure will help reduce the incidence of both caries and periodontal disease for the patient?

A

Control plaque biofilm build-up

68
Q

95% of toothpastes in the UK contain fluoride, usually as sodium monofluorophosphate and sodium fluoride. For adult patients, what is the current recommended level of fluoride in general toothpastes, as parts per million (ppm)?

A

1450°ppm

69
Q

A patient has attended for an oral health examination with the dentist and a BPE score of 4 has been found in the lower left sextant of their mouth. Which action is most likely to be carried out for this patient in an effort to reduce the BPE score?

A

Subgingival debridement

70
Q

Zinc oxide and eugenol cement is a versatile material, having many uses in dentistry. What is not one of its recognised uses?

A

Luting cement - no adhesive properties

71
Q

A 9-year-old patient attends the dental workplace as a dental emergency following a blow to the face during a football match. The upper right central incisor is seen to be slightly out of line with its neighbours and a traumatic injury is suspected. What treatment is most likely to be undertaken for this tooth if it becomes discoloured in the near future?

A

Open apex root filling

72
Q

Various restorative materials are constantly being developed to provide long-lasting and aesthetic restorations. What is a specific advantage of modern composite materials over other restoratives?

A

Reinforces strength of restored tooth

73
Q

The hydrodynamic theory of dentine sensitivity suggests that most post-restorative pain occurs due to microleakage. Which liner is most effective at reducing this microleakage effect?

A

Dentine bond

74
Q

Glass ionomer cements have several uses in dentistry, including as a cavity liner where it is placed in the deepest part of a cavity over the roof of the pulp chamber before restoration. Which propertie is the specific reason why the material is used in this situation?

A

Non-irritant

75
Q

During the procedure of root canal therapy, the dentist uses various specialised instruments which have been designed to work within the root canal itself. Which instrument is used to gradually enlarge the anatomical diameter of the root canal, either by hand or mechanically?

A

Endodontic file

76
Q

A patient attended for the extraction of a lower right second molar tooth and then re-attended 3 days later with severe pain in the area. On questioning, the patient admitted to starting to smoke again as soon as the local anaesthetic wore off after the extraction. Whic conditions is most likely to be diagnosed?

A

Localised osteitis

77
Q

During the extraction of a grossly carious upper right first molar tooth, the crown disintegrates and is removed in pieces leaving the three roots still to be extracted. Which instrument is correctly used to help split the roots apart from each other, so that they can be simply extracted separately?

A

Coupland’s chisel

78
Q

A simple surgical procedure is planned to remove a retained root which is present in the alveolar bone with soft tissue coverage over it. Which instrument is unlikely to be required for this procedure?

A

Bone rongeurs

79
Q

Extrinsic sugars are

A

Free sugars

added sugars

80
Q

intrinsic sugars are

A

natural sugars

81
Q

ideal mouth ph is

A

7

82
Q

What are the 5 stages of inflammation?

A

redness

swelling

heat

pain

loss of function

Units 315, 308, 309 revision (2 decks)

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