MJDF Part 1 - Membership of Joint Dental Faculties Restorative Dentistry Questions and Answers

Question 1

According to the National Institute for Health and Care Excellence (NICE) guideline [CG19], what is the maximum recommended recall interval for an adult patient who has repeatedly demonstrated they can maintain good oral health?

Accepted Answer

24 months

Answer

NICE guideline [CG19] on dental checks recommends a risk-based approach to recall intervals. For adult patients (18 years and older) with low disease activity who have consistently shown they can maintain their oral health, the recall interval can be extended up to a maximum of 24 months.

Question 2

A 14-year-old patient presents with a deep carious lesion in their first permanent molar (LL6). The tooth is vital and asymptomatic. Under current UK regulations based on the Minamata Convention on Mercury, which of the following restorative materials is contraindicated for this patient, except in specific medically necessary circumstances?

Accepted Answer

Dental amalgam

Answer

As of 1st July 2018, UK regulations, in line with the EU regulation derived from the Minamata Convention, prohibit the use of dental amalgam for the treatment of children under 15 years of age, as well as in pregnant or breastfeeding women, unless deemed strictly necessary by the practitioner based on specific medical needs.

Question 3

A dentist is planning to provide a new set of complete dentures for an elderly patient. Which General Dental Council (GDC) principle is most directly addressed when the dentist explains the different material options, the stages of treatment, the likely costs, and the risks and benefits of the procedure before proceeding?

Accepted Answer

Principle 3: Obtain valid consent.

Answer

GDC Principle 3, 'Obtain valid consent,' requires dental professionals to give patients the information they need to make an informed decision about their treatment. This includes explaining options, costs, risks, and benefits. While other principles are relevant to overall care, the act of providing this specific information to allow the patient to decide directly relates to obtaining valid consent.

Question 4

According to the Scottish Dental Clinical Effectiveness Programme (SDCEP) guidance on the 'Prevention and Management of Dental Caries in Children', which of the following is the recommended first-line approach for managing an active, non-cavitated carious lesion on the occlusal surface of a permanent molar in a high-risk child?

Accepted Answer

Application of a resin-based fissure sealant

Answer

The SDCEP guidance advocates for a minimally invasive approach. For high-risk children, placing a resin-based fissure sealant over an early, non-cavitated occlusal lesion is an effective method to arrest the caries process and prevent progression, which is less invasive than a restoration.

Question 5

A 35-year-old patient requires root canal treatment on a lower right first molar (LR6). The canals are located and prepared. Which of the following is considered the minimum standard for irrigation during endodontic treatment in the UK, according to good practice guidelines?

Accepted Answer

Sodium hypochlorite solution

Answer

Good practice guidelines from bodies like the British Endodontic Society, referenced by organisations such as the Royal College of Surgeons, establish sodium hypochlorite (NaOCl) as the main and most important irrigant due to its potent antimicrobial properties and ability to dissolve organic pulp tissue remnants. While other irrigants like EDTA are used adjunctively, NaOCl is the primary solution for disinfection.

MJDF Part 1 Practice Test

MJDF Part 1 Practice Test

MJDF Part 1 - Membership of Joint Dental Faculties Restorative Dentistry Questions and Answers