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  • 問題数 100 • 3/11/2024

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    問題一覧

  • 1

    gingival Cervicular fluid increases as the initial, early, established and advanced lesion progresses

    true

  • 2

    Bacteria that have a double cell membranes and that do not stain purple with crystal violet are called

    anaerobic

  • 3

    Gingival recession can be seen in the following patients

    In rapid orthodontic movement in adults.

  • 4

    what is meant by the term thin gingival biotype?

    gingival tissue tends to be delicate and almost translucent in appearance. tissue appears friable with a minimal zone of attached gingiva

  • 5

    Which bone is anterior to the temporal1 mark bone

    Inside the nasal cavity

  • 6

    Select the incorrect statement:

    Tooth wear is reversible

  • 7

    A more recent revised aetiological classification has been proposed which further divides pathological halitosis into how many types?

    6

  • 8

    When dentine is exposed, the minimum BEWE score for the sextant would be:

    2

  • 9

    How can halitosis be managed by the dental hygienist/dental therapist?

    OHI, fluoride varnish , pmpr , smoking and alcohol sessation , diet advice , chlorohexadine mouthwash , xerostomia advice

  • 10

    A more recent revised aetiological classification has been proposed which further divides pathological halitosis into how many types?

    6

  • 11

    Which best describes the Ethmoid Bone

    Its is situated in the paranasal sinuses

  • 12

    The Levator Labii Superioris originates from the canine fossa and elevates the corner of the mouth

    False

  • 13

    Which Cranial bone houses the Foramen Magnum

    occipital bone

  • 14

    How many bones make up the Neurocranium

    8 bones

  • 15

    what % of halitosis cases originate from the oral cavity

    90

  • 16

    select red appropriate statement of how hemidosomes?

    a cell junction that connects the epithelial cells to the basal lamina

  • 17

    Describe in detail 5 mechanical causative factors associated with gingival recession

    toothbrush trauma, traumatic incisor relationship, trauma from foreign body, abnormal frenal attachment, iatrogenic damage

  • 18

    In the BEWE, a sextant score of 2 is given for:

    A sextant where there is less than 50% loss of tooth structure

  • 19

    connective tissue comprises a gel like substance, fibres and few cells

    true

  • 20

    The main purpose of the BEWE tool is:

    To screen for signs of tooth wear

  • 21

    In preventing dental erosion, dietary advice should include:

    Limiting acid consumption to three or less times per day

  • 22

    Which of the following groups of bones are flat bones

    Occipital Parietal, Frontal

  • 23

    Clinical signs of dental erosion include

    Scooped out lesions on the occlusal surfaces of the first permanent molars, Labial surface lesions on the maxillary incisors

  • 24

    Halitophobia can be described as

    A fear of others noticing an individual has oral malodour

  • 25

    When assessing a patients’ risk of tooth wear, it is essential to consider

    The rate and severity of wear compared to the patients’ age

  • 26

    Which of these is not a movement of the mandible?

    Abduction

  • 27

    The composition of inorganic material in dental calculus is 10-30%

    false

  • 28

    Which muscle of mastication is being described: fan shaped muscle, inserts into the coronoid process and ramus of the mandible, elevates the mandible, supplied by the deep temporal nerve

    Temporalis

  • 29

    Which of the following are potential oral causes of halitosis?

    Xerostomia, ANUG, Dry Socket, Orthodontic Appliance

  • 30

    Describe in detail the impact of gingival recession on the patient 7 marks

    aesthetic considerations, can cause root caries, food trapping, plaque stagnation, confidence, speaking, comfort

  • 31

    Which muscle is supplied by the masseteric nerve?

    Masseter

  • 32

    What do you understand by the term Loss of Attachment (LOA) and how is it measured?

    term used to assess current periodontal status and the possible historical tissue loss. it is a combination of recession and probing depth combined

  • 33

    Genuine halitosis can be sub-divided into

    physiologic and pathologic

  • 34

    Which statement best describes dental erosion:

    Dental erosion is the irreversible loss of hard tissue due to chemical process of acid dissolution

  • 35

    Which muscle of facial expression is being described: originates from the bridge of the nose, supplied by the temporal artery and pulls the eyebrows medially?

    Corrugator

  • 36

    Patients with gingival recession frequently complain of sensitive teeth

    true

  • 37

    The gold standard measure of halitosis is

    Organoleptic measurements

  • 38

    Why do patients with gingival recession frequently complain of sensitive teeth?

    uncovers root surface Dentine creating hypersensitivity for the patient

  • 39

    Dental calculus is mineralised petrified dental plaque and does not directly cause to progression of periodontal disease

    true

  • 40

    In the BEWE, a sextant score of 3 is given for:

    A sextant where there is more than 50% loss of tooth structure

  • 41

    Supra and sub gingival calculus both derive their minerals from saliva

    false

  • 42

    bacteria attachment zones can be defined into distinct areas, select the most appropriate response?

    tooth attached, tissue attached and unattached

  • 43

    The relevant anatomical landmarks when measuring recession include from the cemento-enamel junction (CEJ) to the base of the periodontal pocket

    false

  • 44

    crista Galli are a feature of which bone

    Ethmoid bone

  • 45

    Which of the following would be most effective in controlling the bacteria in a dental plaque biofilm?Which of the following would be most effective in controlling the bacteria in a dental plaque biofilm?

    toothbrush and floss

  • 46

    which structure of a biofilm facilitates the movement of nutrients to the bacteria ?

    fluid channels

  • 47

    Which structure of a biofilm facilitates the movement of nutrients to the bacteria?

    Fluid channels

  • 48

    The Infratemporal fossa serves as a passageway for what important structure

    mandibular branch of the trigeminal nerve

  • 49

    Tooth wear where the dominant aietioloical factor is tooth-tooth contact is called:

    Dental attrition

  • 50

    The critical pH of enamel:

    Reduces when fluoride is incorporated in the structure of enamel

  • 51

    bacterial location in the initial lesion is

    supragingivally

  • 52

    Which muscle is supplied by the temporal branch of the facial nerve

    OccipitofrontalisOccipitofrontalis

  • 53

    The composition of dental calculus consists of organic & inorganic substances

    true

  • 54

    A well-organized community of bacteria that adheres to surfaces and is embedded in an extracellular slime layer is termed:

    Biofilm

  • 55

    Methods of calculus detection are:

    Radiographs, vision, probing

  • 56

    Describe in detail 5 inflammatory causative associated with gingival recession

    gingival biotipe, periodontal disease, smoking, poor marginal fit of restoration, orthodontic movement

  • 57

    Which of the following is NOT a mechanism for attachment of calculus to a tooth surface?

    Attachment to the blood clots that can form on the tooth

  • 58

    bacteria that have a double cell membrane and do not stain purple with crystal violet are called ?

    anaerobic

  • 59

    Plaque biofilms are best removed by using mouthwash and adjustive chemical agentsPlaque biofilms are best removed by using mouthwash and adjustive chemical agents

    false

  • 60

    The Hyoid bone is involved in all the 1 mark following except

    Allowing head to pivot

  • 61

    What is a gingival veneer and when would it be clinically indicated ?

    removable acrylic facing that improves the aesthetic appearance of a patient with advanced and generalised recession

  • 62

    A cumulative BEWE score of 18 for a patient means:

    There is more than 50% tooth wear in each sextant

  • 63

    Dentine hypersensitivity symptoms:

    May be a sign of active tooth wear if dentine is exposed

  • 64

    If you are suffering with a headache which cranial bones might you be rubbing/massaging

    temporal bones

  • 65

    The term biofilm can be defined as a complex dynamic microbial community embedded within extracellular matrix

    true

  • 66

    Which bone is anterior to the temporal bone

    sphenoid

  • 67

    Microbial plaque is considered the primary cause of periodontal disease

    true

  • 68

    The term biofilm can be defined as a simple dynamic microbial community embedded within extracellular matrix

    false

  • 69

    Where would you find the Foramen Ovale, and what important structure passes through this

    middle cranial fossa

  • 70

    What is shown in the picture above and when would something like this be indicated?

    gingival Vaneer - removable acrylic facing used for patients with aesthetic concerns of their generalised and advanced recession

  • 71

    The Sphenoid bone is one of the 7 bones that form the orbit

    true

  • 72

    calculus is considered a risk because?

    the surface of calculus is irregular and provides a place for bacteria to grow undisturbed

  • 73

    Which salivary factors can pre-dispose a patient to tooth wear?

    Reduced quantity and quality of saliva limiting protective potential

  • 74

    When should the dental hygienist/dental therapist consider an onward referral for halitosis ?

    sucpicious lesion, halitophobia, halitosis persists after addressing intra oral issues

  • 75

    What bone is the most fragile bone of1 mark the skull

    lacrimal bone

  • 76

    The gold standard measure of halitosis is

    Organoleptic measurements

  • 77

    Which of the following are potential non-oral/other causes of halitosis?

    Diabetic Ketoacidosis, Alcohol, Gastric Reflux, SinusitisSinusitis

  • 78

    Where there are no signs of tooth wear in a sextant, the BEWE score would be:

    0

  • 79

    Sam has had several crowns and implants fitted seven months ago. He has only attended the dental hygiene appointment for the first time since the prosthesis were fitted. (Select the most appropriate answer)

    Sam is at risk of plaque and calculus growth on his prosthetic appliances and must attend dental hygiene appointments regularly

  • 80

    The cranial cavity is made of flat and irregular bones

    true

  • 81

    How can halitosis be managed by the dental hygienist/dental therapist?

    Treatment of periodontal condition, Oral hygiene instruction, Xerostomia advice, diet advice, Smoking and alcohol cessation

  • 82

    Kate attends the dental surgery presenting complaining that she always forms calculus on her lower anterior linguals and upper buccal molars. You reassured Kate with the following information (Select the most appropriate answer) Question 3

    Kate is more at risk for forming calculus in these areas as they are located near salivary glands

  • 83

    the action of which muscle is to compress and protrude the lips?

    Orbicularis Oris

  • 84

    Which of the following are NOT sutures marks associated with the cranium

    Squeamish, Sagittarius

  • 85

    Dental abrasion is tooth wear resulting from:

    Frequent exposure to objects/factors other than teeth or acids

  • 86

    At what age do the first permanent molars calcify?

    Birth/just before

  • 87

    The Depressor Anguli Oris originates beneath the angle of the mandible, and inserts into the corner of the mouthThe Depressor Anguli Oris originates beneath the angle of the mandible, and inserts into the corner of the mouth

    true

  • 88

    What are the main compounds responsible for intra-oral halitosis?

    volatile sulphur compounds

  • 89

    Which salivary factor enhances the protection of the teeth against tooth wear:

    Buffering action of stimulated saliva that neutralises oral acids

  • 90

    Which muscle is innervated by the cervical branch of the facial nerve? Question 4

    Platysma

  • 91

    Which of the following is NOT a paired bone

    mandible

  • 92

    The BEWE acronym stands for;

    Basic Erosive Wear Examination

  • 93

    The Hyoid bone is connected to what via ligaments

    Posterior portion of the mandible

  • 94

    Which muscle of mastication is being described: short thick muscles originating from 2 heads, upper head originates from the greater wing of the sphenoid bone, inserts into the pterygoid fovea, opens and protrudes the mouth.

    Lateral Pterygoid

  • 95

    the composition of dental calculus consists of organic and inorganic substances

    true

  • 96

    Calculus is considered a risk factor because:Calculus is considered a risk factor because:

    The surface of calculus is irregular and provides a place for bacteria to grow undisturbed

  • 97

    The prevalence of tooth wear is significantly associated with agE. This means that:

    As people age, they are more likely to experience tooth wear

  • 98

    what is the name of the epithelium that forms the bases of the sulcus and joins the gingiva to the tooth

    junctional epithelium

  • 99

    What are the relevant anatomical landmarks when measuring recession ?

    from cemento enamel junction to the gingival margin

  • 100

    A patient with a thin gingival biotype will have

    Delicate gingival tissue, translucent in appearance with a minimal zone of attached gingiva