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Primary Care Dentistry > CDH > Flashcards

CDH Flashcards

0
Q

When is root formation complete in the primary dentition?

A

12-18 months

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1
Q

What is the Leeway Space?

A

Difference between combined mesiodistal width of the PRIMARY canine and molar and the PERMANENT canine and PREmolar (Maxillary = 1.5mm) (Mandibular = 2.5mm)

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2
Q

In terms of timescale, when should we start worrying about delayed eruption of a tooth?

A

6 months after the eruption of its counterpart.

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3
Q

How many teeth are there in the primary dentition?

A

20

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4
Q

What permanent teeth do you expect to erupt between the age of 9-11 years old?

A

Lower 3s

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5
Q

When should the maxillary permanent canines be palpable buccally?

A

10 years old

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6
Q

What’s the dmft prevention fraction using fluoride varnish when used 2x/year?

A

33%

lower than in permanent teeth - 46%

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7
Q

Name 3 contraindications for Duraphat 22,600ppm

A
  • severe asthma (previous hospital admission)
  • stomatitis
  • ulcerative gingivitis
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8
Q

Symptoms of fluoride overdose

A
  • Nausea/vomiting/diarrhoea
  • Excess salivation/tears/mucus
  • Headache
  • Generalised weakness
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9
Q

What is the lethal dose of Fluoride?

A

32-64 mg (BUT in some cases 16 mg is enough)

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10
Q

Fluoride supplements should not be issued if the water fluoridation exceeds…….ppm Fluoride

A

0.7

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11
Q

What is the dose dependant management of a Fluoride overdose of 5-15mg/kg?

A
  • ED
  • observation/milk
  • gastric lavage
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12
Q

Fissure Sealants - which teeth?

A
  • Primary Molars
  • 1st + 2nd Perm Molars
  • Pre-Molars
  • Palatal pits or perm lateral incisors
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13
Q

Name the different types of Fissure sealants:

A
  • Resin
  • GIC
  • Compomer
  • Fluoride containing
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14
Q

Xylitol is more effective than Sorbitol. True or False?

A

True

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15
Q

Which pulphorn is largest in primary molars?

A

Mesio-buccal pulphorn

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16
Q

Harm due to Ionising radiation caused by x-rays in children younger than 10 years old, is …….x higher than in a 30 year old.

A

3

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17
Q

DPTs not recommended in children younger than ….

A

6 years of age

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18
Q

Children with low caries risk should have x-rays taken every….

A

12-18 months

Every 2 years for perm dentition

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19
Q

Pit and Fissure lesions make up …….% of all new lesions in adolescents.

A

85

20
Q

What size film should be used in children aged 10-11 (12)?

A

Size 2

21
Q

What types of radiographs in children are most commonly used? Name 7!

A
  • Bite-wings
  • Peri-apical
  • DPT
  • USO
  • Oblique lateral
  • Vertical Parallax (DPT+USO)
  • Horizontal Parallax (peri apical 13&23 + USO)
22
Q

Name the two major Behavioural Management Techniques in managing fear in children.

A

1) Psychological

2) Pharmacological

23
Q

Name possible behavioural management techniques for dealing with fear in children - from most acceptable to the least acceptable in terms of parental tolerance:

A 
TDS
Pos. reinforcement 
Sedation
Voice control 
GA
Physical restraint
24
Q

A definitely positively behaving child is awarded what score on the Frankl Behavioural Rating Scale?

A

Bx4

25
Q

What are the 4 types of Pulp status?

A
  • Normal
  • Reversible Pulpitis
  • Irreversible Pulpitis
  • Pulp Necrosis
26
Q

How to assess the pulp status without histological evidence?

A
  • Symptoms
  • Clinical Findings
  • Special Investigations
27
Q

Symptoms of a Reversible Pulpitis?

A
  • Provoked Pain
  • short in duration
  • disappears on removal of stimulus
  • relieved with analgesia
  • ‘sharp’ pain
28
Q

Symptoms of a Irreversible Pulpitis?

A
  • Spontaneous pain
  • Constant
  • Long in duration
  • Not always relieved by analgesia
  • ‘dull throbbing ache’
  • sleep disturbance
29
Q

Restore or Extract primary molars. What to take into consideration?

A

MH
SH
DH
Pulp status

30
Q

What are the pulp therapy options for a VITAL pulp (primary dentition)?

A
  • Pulp capping (direct/indirect)

- Pulpotomy (vital/desensitising)

31
Q

What are the pulp therapy options for a non vital pulp (primary dentition)?

A
  • Pulpectomy

- Extraction

32
Q

You have accidentally entered the pulp chamber whilst drilling a primary molar. What do you do?

A

Direct Pulp capping: Ca(OH)2 placed directly onto the pulp for the formation of a dentine-bridge.

33
Q

Direct pulp capping is used in primary carious molars. True or False?

A

False! Deep carious lesions in primary teeth are treated with ‘indirect pulp capping’ if pulp is still vital.

34
Q

What is used to establish haemostasis in Pulpotomy?

A

Ferric Sulphate (apply for 15 sec.)

35
Q

What is the prevalence of Molar-Incisor Hypomineralisation (MIH)?

A

3.6 - 25%

36
Q

What are the possible differential diagnoses of MIH?

A
  • Fluorosis
  • Amelogenesis Imperfecta
  • Turner tooth
  • Idiopathic Hypomineralisation
37
Q

What tooth formation stages go wrong in MIH?

A
  • Secretory phase (Hypoplasia)

- Maturation phase(Hypomineralisation)

38
Q

What common childhood illnesses can cause MIH?

A
  • Respiratory diseases
  • Otitis Media
  • coeliac disease
  • cystic fibrosis
  • renal disease
39
Q

What are the treatment options for Incisor MIH?

A
  • Etch - Bleach - Seal
  • Bleach
  • Composite
  • Bleach + Composite
  • Microabrasion
40
Q

What are the 4 categories of child abuse?

A

1) Neglect
2) Emotional
3) Physical
4) Sexual

41
Q

What is the ideal time to extract a compromised first permanent molar?

A
  • root bi-furcation of 7s forming

- usually 8-10 years old (9 dental age)

42
Q

In order to keep a FPM for as long as possible before XLA (i.e. For space maintenance), what would you use to restore it?

A
  • GIC (RMGI)

- SSC

43
Q

Who’s Christine’s future husband?

A

Calvin Harris

44
Q

Who is Christine in love with?

A

Calvin Harris

45
Q

What does Christine dream about at night?

A

Calvin Harris

46
Q

What’s Christine’s screensaver on her phone?

A

Ishan (1/2 points for Calvin Harris)

47
Q

What’s Christine’s darkest secret?

A

Savan

Primary Care Dentistry (1 decks)

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