FCPS Part 1 Dentistry MCQs by Chapter: Prosthodontics, Orthodontics & Oral Medicine

Sample MCQs from three dental-specific chapters in the FCPS Part 1 Dentistry bank — Prosthodontics, Orthodontics and Oral Medicine — each with the correct answer explained.

Alongside the basic-sciences core, FCPS Part 1 Dental Surgery tests a set of dental-specific chapters. Below is a sample across three of them: Prosthodontics, Orthodontics, and Oral Medicine.

Prosthodontics

1. The primary physical force responsible for retention of a well-fitting complete denture against the mucosa is:

A) Gravity
B) Atmospheric pressure and interfacial surface tension via the saliva film ✅
C) Muscular action of the tongue alone
D) Undercuts in the alveolar ridge

Orthodontics

2. In Angle's classification of malocclusion, a Class I relationship is defined by the mesiobuccal cusp of the maxillary first molar occluding with:

A) The distobuccal groove of the mandibular first molar
B) The mesiobuccal groove of the mandibular first molar ✅
C) The central fossa of the mandibular second molar
D) The mesiobuccal cusp of the mandibular second premolar

3. A Class II molar relationship, in which the mandibular first molar sits distal to its normal Class I position, is also known as:

A) Neutrocclusion
B) Distocclusion ✅
C) Mesiocclusion
D) Crossbite

4. For physiologic tooth movement with minimal root resorption and periodontal ligament hyalinization, orthodontic appliances aim to deliver:

A) Heavy, intermittent force
B) Light, continuous force ✅
C) Heavy, continuous force
D) Force applied only during active mastication

Oral Medicine

5. Recurrent aphthous stomatitis (RAS) most characteristically affects which type of oral mucosa?

A) Keratinized mucosa of the hard palate and attached gingiva
B) Non-keratinized, movable mucosa such as the buccal and labial mucosa ✅
C) Dorsum of the tongue exclusively
D) Vermillion border of the lips only

6. The mixed dentition period, during which both primary and permanent teeth are present in the mouth, typically spans approximately which age range?

A) 0–2 years
B) 6–12 years ✅
C) 12–18 years
D) 2–6 years

Looking for a Mock Exam, Not Just More Questions to Read?

If what you actually want is a timed FCPS Part 1 Dentistry mock exam — not another static list to read through — that's exactly what the free sample on the Dentistry question bank page gives you: the same timed, explained format as the full bank, no separate "mock test" product to buy or download.

Want to see which chapters carry the most weight across the whole bank? Check out our most repeated FCPS Part 1 Dentistry MCQs. HighYield's FCPS Part 1 Dentistry bank covers every dental-specific chapter — Prosthodontics, Orthodontics, Oral Medicine, Oral Pathology, Endodontics and more — every question explained. Try the first 20 questions free, no sign-in required.