MCQ revision Flashcards
What is the shape of preparation for tooth 21 for endo
Triangular shape
The base of triangle at incisal edge
What is the length of biological width
2mm
Connective tissue +junctional epithelium
What percentage of patients get ORN
2-3%
What is the most common child physical impairment
Cerebral palsy
What is the best treatment for osteoarthritis
Lose weight, strengthen muscle around joint
NSAIDS for pain
What two anatomical structures does the lingual nerve sit between
The mandible and the medial pterygoid
What is medial to the zygomatic arch
The master
What is the best thing to use to help a sclerotic canal
EDTA 17%
Name two solutions used for cleaning blood spillages and what is the usual concentration
Sodium hypochlorite and dichloroisocyanurate
10000ppm
For how long should a waste disposal certificate be kept
3 years
What are the products of glycolysis
2 Pyruvate, 2 NADH and 2 ATP
G
What are the predications for edentulous patients in forthcoming years
People are keeping their teeth longer — edentulous at an older age
Why decrease the dosage of a drug in an elderly patient
Reduced excretory capacity in the kidney
What is the recommend amount of fluoride in mouthwash
225ppm
What are the 5 steps for radiographic film processing
- Developing
- Washing
- Fixing
- Washing
5.drying
What fluoride tablet dose would you give a 1 year old at high risk of caries
0.25mg
What hand joints tend to be affected in RA
MCP and PIP joints
To what does kVp refer to
Peak voltage
What does a buccal canine retractor do?
Retract buccaly erupted canine in a palatal direction
Patient with overbite and over jet of 7mm, anterior or posterior bite plane and what width
Overbites are corrected using flat anterior bite planes - the prescription is OJ+3mm
FABP= OJ+3mm = 10mm
What is the greatest danger for elders with osteoporosis
Vertebral fracture
What is the index for periodontal problems
CPITN - community perio index of treatment need
What material has the best properties
GOLD
In the crown prep of anteriors how may planes should be prep be
2 - Labial and Incisal
The only time there would be 3 is if there is significant decay
When the mandible is moved to the right and on the other side the teeth do not contact what is this called
Canine guidance
Is the rotation of the condyle on the working side in horizontal/vertical axis
Vertical
In radiology what is the thickness of the aluminium filtration
Less than 70kV = 1.5mm
More than 70kV = 2.5mm
What advice should be given to a patient with an OAF
Don’t blow nose
Drink through a Straw
Open mouth when sneezing
What is deficient in haemophilia A
Factor 8
What is the reference line for anteior oblique occlusal radiographs
Ala-Tragus line
Curve of monson
Compensating curve - posteriorly it moves upwards
What is the colour is the base for anterior periapical
Blue
How often should radiology equipment be teste
Process test film daily
When protrusion of the mandible what angle is formed with the saggital condyle
Bennet angle
What is the indication on a radiograph of chronic occlusal trauma
Widened PDL
What is a luxator used for
Cutting PDL
What material is used in endo canal between visits
Non setting calcium hydroxide
What is usually used as a reference point in endo
Incisal/ cuspal edge
What is the primary aim of an audit
To improve healthcare
How will you make sure the patient will adhere to OH after using cognitive therapy - which theory applies
Implementation intention
What is the first line blood test for anaemia
Full blood count
Patient has an oesophageal infection which nodes will show on palpation
Deep cervical lymph nodes
What is the best articulator for registering occlusion
Semi-adjustable
How can you affect crown forces
Directon
Niche
A specific environment for which a microorganism can thrive and live in
The role a micro organism plays in a community
What is scatter effect responsible for
Increased dosage and fogging
How can you make a veneer more adhesive
Etch with 10% hydrofluric acid
Deamination of amino acids gives
Acid pH and ketones
How brittle is porcelain
01%
What happens at the anode
Continous spectrum
What act is to do with changing the practice layout to cater for people with disabilities
Equality act
Indications for periodontal surgery
Excellent OH
Pockets of greater than 5mm
What situation best requires bone regeneration
3 wall bony deflect
Principles of flap, regarding base of flap
Base is wider than apex
How would occlusal trauma be seen in a radiograph
Widening of PDL
Oral conditions specific to cerebral pallsy
Bruxism and drooling
Which canal are you likely to have an extra Canal
Maxillary first molar
MB2
What microorganism is likely to cause infection when cannulating
S.epidermis
There is dentinal caries 2/3 on a radiograph how would this differ if you viewed it clinically
Caries is always more extensive clinically than on a radiograph
Investment materials must be what
Porous to allow gas to escape
Chance of Damage to alveolar nerve on extraction of lower 8
1-10%
Class 3 skeletal
Mandible is in front of maxilla
IV bisphosphonate
Zoledronic acid
Maxillary tuberosity fracture
What do u do
Splint for 8 weeks and then surgically extract
Function of LDU
Decontaminate reusable medical instruments
Lying patient back in the chair and they feel light headed
Decreased baroreceptor reception
Uni-lateral hypoplastic mandible and deaf in that side
Hemi-facial microsomia
Resistance to mouth opening and sore TMJ
What mom is affected
Lateral pterygoid
Loss of sensation of lower face and upper limb on same side
Transient ischamemic stroke
Radiographic film holders
Anterior PA - blue
Posteior PA - yellow
Bitewing - red
What is the most important factor for long term success of a crown
Coronal seal
What is the function of glycocalyx in a cell
Dense, gel-like meshwork that surrounds the cell, constituting a physical barrier for any object to enter the cell.
For example, the glycocalyx was identified to play an important role to prevent the entry of pathogens into the cell
What occlusal plane do you use for an anteior cross bite
Flat posterior bite plane
Mandibular condyles are in their most posterior position and the teeth contact what is this called
RCP
What is usually used as a reference point in Edno
Posterior - cusp tip
Anteiors - incisal tip
Must be a stable point throughout treatment
What is viscoelasticity
The ability to regenerate shape After stress has been removed
Difference between neurocranium and viscerocanium
Neurocranium - protective case around the brain
Viscerocranium - Skelton of the face
