Others Flashcards
What policy type was for increasing smoking age?
Improving national public policy
What toothpaste component is for anti calculus?
Sodium pyrophosphate
Zinc citrate
Patient is hit on head and has an extra dura haemorrhage, what blood vessel has caused this?
Middle meningeal artery
The 1st maxillary molar is not getting numb, what accessory nerve needs to be anaesthetised?
MB root - middle superior alveolar nerve
DB and palatal root - posterior superior alveolar nerve
Patient with haemophilia A (factor 8) what type of blood test do they get to check clotting?
Partial thromboplastin time (PTT)
- longer in haemophilia
Patient needs INR checked what is the lab test called?
International normalised ratio - prothrombin time (PT)
An OFG patient has lower lip swelling but doesn’t have an app for 2 months, what week schedule and items should be cut out of diet?
Carbonated drinks, cinnamon, benzoates, E210-E219
8 weeks
What safety mechanism is in inhalation sedation to switch off gases?
Oxygen flow less than 30%, nitrous oxide stops flowing
With inhalation sedation, what percentage of gases would switch off occur?
Oxygen less than 30%
What are the general values for use of nitrous oxide for inhalation sedation?
Plane II
20-55% nitrous oxide
Minimum 30% oxygen with 10% titration of nitrous oxide every minute
How is nitrous oxide carried in the blood?
As free gas as it does not bind to haemoglobin meaning it is rapidly excreted
What accessory nerve for ‘LL6 has been anaesthetised if lip and tongue is numb?
Posterior division of mandibular nerve - lingual nerve
How much nitrous oxide is required for inhalation sedation in a 10yr old boy?
20-50%
Young male patient has ventricular septal defect correction. Surgery as a child and requires orthodontic separator placement, is antibiotic prophylaxis required?
No, not high risk and non invasive process
What is the best restoration for pulp cap on a lower primary molar affecting occlusal surface only?
PMC
Patient requires hard acrylic splint, what is required when making this?
Maintain canine guidance, contact in RCP and posterior disclussion
What is the definition of prevalence vs incidence?
Prevalence measures rate of occurrence of new cases of disease/condition in a specified population in any given time perio d
Incidence measures how much of a disease or condition there is in a population at a particular point in time (ppl with diabetes in EK)
What criteria is needed for screening for disease?
- Must have test available which picks up disease before symptoms develop.
- test must be reasonably accurate
- test must be reasonably simple to perform and acceptable
- benefits of screening must be greater than any potential harm or risks it could cause
- cost of test must not be more than benefit
- must have treatment at early stage of condition which will make difference to outcome
- condition being screened must be important to health and well being
- must be organised, efficient plan for what happens if test is positive
What type of molecule is chlorhexidine?
Positively charged bisbiguanide compound
Patient has Alzheimer’s, very confused and won’t allow dental exam but has lower swelling in past 24hrs, no systemic symptoms, what do you do?
- Give antibiotics and pain relief
- refer to hospital
- wait for family member to consent before treatment
???
Patients has tonsil swelling and neck mass what virus would you test for? They are non smoker and no alcohol intake
HPV
What virus causes hairy leukoplakia?
EBV
What condition causes non eruption of permanent dentition?
Cleidocranial dysplasia (dystosis)
GAPO syndrome
Rutherford syndrome
Patients has small jaw and cleft palate at birth, what condition is this likely to be?
Pierre robin syndrome
How does the maxilla develop?
1st pharyngeal arch
When would you get most vapour mercury from amalgam?
Removing amalgam
What is the function of fluoride with regards to hydroxyapatite?
Fluoride ions replace hydroxyl groups and increases the rate of remineralisation, reduces demineralisation and stability and is less soluble.
When a patient ears sugar what is the cause of the slough feeling on the teeth with regards to bacteria taking sugar and making what molecule?
Bacteria makes dextran polysaccharide or lactic acid from sucrose/glucose/fructose/lactose through glycolysis.
Patient has red patches in front of circumvallate papilla what is the likely condition?
Median rhomboid glossitis (MRG - central papillary atrophy)
Patient has tongue soreness to sour and sweet/spicy food, patches on tongue can be red then white and it comes and goes, what is the likely condition?
Geographic tongue (benign migratory glossitis)
What is the likely cause of erythema of the palate from wearing habit breaker?
Poor oral hygiene causing candidosis
What space is required for a lingual bar?
7-8mm
3mm from gingival margin , 4mm for bar and 1mm from functional depth of FoM
What is the polymerisation shrinkage % of composite/
1-4%
What are the BPE scores for bleeding and for plaque present?
BPE 2 - bleeding, supra or sub gingival calculus, overhangs
Patient has upper and lower 6s, upper and lower 1s and 2sand lower 3s, what is likely age?
9-10years
A patient has a 7mm pocket ŵirh the tooth requiring multiple re cemented post, what is the likely cause of failure and deep pocket?
Vertical root fracture
What is chlorhexidine function with the biofilm?
It reacts with the negatively charged groups on the cell surface causing irreversible loss of cytoplasmic constituents, membrane damage and enzyme inhibition
A 16year old has small fractures on incisal edges of teeth, what would be the initial treatment?
Discuss diet and give dietary advice and grinding habits discussed
A patient is suffering from intrinsic erosion what would be the testing for this?
24hr oesophageal pH monitoring
A late teen early 20s patient has punched out papilla, erythema and bleeding but no pocketing, what Is the likely diagnosis?
ANUG
What is the typical metronidazole prescription for periodontal conditions?
400mg 3x daily for 3 days
What antibiotic regime is required for post aggressive perio?
Metronidazole and amoxicillin
What is the function of doxycycline?
Tetracycline class that inhibits synthesis of bacterial proteins by binding to 30s ribosomal subunit
What is the definition of indirect retention?
Resistance to rotational displacement forces
What is the difference between meta analysis and systematic reviews?
Systematic review is detailed, systematic and transparent means of gathering, appraising and synthesising evidence to answer a well defined question.
Meta analysis is a statistical procedure for combining numerical data from multiple separate studies - only conducted in context of systematic reviews
How would a bilateral condylar fracture be managed?
IMF and conservative management
ORIF and IMF if severe/deranged occlusion
What xrays are required for mandibular fractures?
OPG and PA mandible
What percentage of parotid tumours are malignant?
15-20%
Patient has slow growing mass on parotid gland, what is the likely diagnosis?
Pleomorphic adenoma
What symptoms of mandibular fracture would mean ORIF is required?
Occlusal derangement
White spongy naevus is passed down from grandfather to father to son, what is the inheritance pattern?
Autosomal dominant
Son with multiple cysts of upper jaw and mum had similar condition, they are asymptomatic. What is the possible diagnosis?
Gorlin goltz syndrome (naevoid basal cell carcinoma syndrome)
What bacteria causes angular cheilitis?
Staphylococcus aureus - gram positive bacterium
Why would you carry out a retrograde root end apicetomy at 90degrees angle?
To reduce number of exposed dentinal tubules and to ensure access to all the apical anatomy
Silicate material is better for deep carious lesions, why?
Higher pH
What is the best type of scaler for RSD?
Gracey curettes
What Deficiency causes a pale tongue?
B12 or poss iron