NDEB Virtual OSCE study materials
NDEB Virtual OSCE study resources

NDEB Virtual OSCE common mistakes

NDEB Virtual OSCE · Understand the traps and how to avoid them.

Mistake 1

Asking a series of closed-ended questions (e.g., 'Does it hurt when you bite?') and never allowing the patient to describe their chief complaint in their own words, then failing to follow up on cues the patient offers.

Candidates fear losing control of the interview or running out of time, so they use a checklist of yes/no questions and miss the patient's spontaneous but critical information (e.g., a recent trauma, a change in medication).

What to do instead

Open with an open-ended invitation ('Tell me what brought you in today') and let the patient speak uninterrupted for the first 1–2 minutes. Use active listening (nodding, summarizing) and then ask focused, mostly open-ended follow-up questions ('Tell me more about the pain's timing'). Reserve closed questions for confirming details after the patient has given their narrative.

Mistake 2

Jumping to a single diagnosis (e.g., 'It's just a cavity') without generating a prioritized differential diagnosis and without explicitly stating the key features that support or refute each possibility.

Candidates rely on pattern recognition from common presentations and feel pressure to appear confident; they underuse systematic frameworks (e.g., VITAMINS or site/onset/character/radiation/associations) and fail to consider serious or less common conditions.

What to do instead

Verbally walk through a structured differential: list 3–5 plausible diagnoses, state the most likely and the most dangerous, and for each give the supporting and opposing findings from the history. Explicitly say what additional information or test would discriminate between them. Practice using a consistent diagnostic framework for common chief complaints (pain, swelling, bleeding, ulcer).

Mistake 3

Presenting a treatment plan that lists only the ideal definitive procedure (e.g., implant) without discussing alternatives, including the option of no treatment, and without relating the plan to the patient's stated goals, medical status, or financial/access constraints.

Candidates treat the OSCE as a test of technical knowledge and focus on the 'correct' procedure, forgetting that treatment planning is a shared decision that must be individualized and justified.

What to do instead

For every proposed treatment, present at least two alternatives (including the null option) with pros, cons, risks, and costs. Explicitly link the recommendation to the patient's chief complaint, expectations, medical history, and social factors. Use a structured format: problem list → goals → options → recommendation → informed consent discussion.

Mistake 4

Obtaining consent as a single 'Do you agree?' question without explaining the diagnosis, the nature of the proposed treatment, its risks and benefits, the alternatives, and the consequences of declining-and without checking the patient's understanding (teach-back).

Candidates confuse consent with a signature on a form and feel awkward discussing risks; they also fear that mentioning risks will scare the patient away from needed care.

What to do instead

Use a structured consent conversation: explain the condition in plain language, describe the procedure, list common and serious risks, discuss alternatives and no treatment, and invite questions. Then use teach-back ('To make sure I explained clearly, can you tell me in your own words what we discussed and what you'll do if X happens?'). Document the discussion, not just the signature.

Mistake 5

Failing to recognize and manage an ethical conflict (e.g., a patient requesting an unnecessary treatment, a colleague's questionable practice, or a conflict between patient autonomy and the dentist's professional judgment) and instead either acquiescing silently or lecturing the patient.

Candidates are uncomfortable with confrontation and may not have a clear framework for ethical reasoning; they also fear that raising concerns will damage the doctor–patient relationship or be seen as unprofessional.

What to do instead

Use a stepwise ethical framework: identify the stakeholders and the conflicting values (autonomy, beneficence, non-maleficence, justice), gather facts, consider options and consequences, and seek consultation when needed. In the interview, respectfully explore the patient's request and explain your professional obligations and reasoning. If a colleague issue is involved, follow the appropriate reporting or peer-review process rather than ignoring it.

Mistake 6

Giving a patient education message as a generic lecture (e.g., 'You need to brush twice a day and floss') without assessing the patient's current knowledge, readiness to change, or barriers, and without a specific, measurable action plan.

Candidates want to demonstrate knowledge and cover all points, so they deliver a monologue; they also lack confidence in motivational interviewing and fear silence or resistance.

What to do instead

Use a brief assessment first: 'What do you currently do for your oral care?' and 'What gets in the way?' Then tailor the message to the patient's stage of change, negotiate one or two specific goals (e.g., 'floss before bed on weekdays'), and set a follow-up plan. Use teach-back and provide written or visual reinforcement. Avoid shame-based language.

Mistake 7

Making a referral that is a vague request ('Please see and treat') without a clear clinical question, relevant history, investigations already done, and expected role of the consultant, and without closing the loop with the patient about why, when, and how follow-up will occur.

Candidates treat referral as an administrative afterthought and may not have practiced writing or verbally delivering a structured referral; they also assume the patient understands the reason for referral.

What to do instead

Use a structured referral communication (e.g., SBAR: Situation, Background, Assessment, Recommendation). State the specific question, summarize pertinent findings and treatments, list attachments, and clarify who will do what. Explain to the patient the reason, urgency, what to expect, and how you will follow up. Document the referral and the patient's understanding.

Mistake 8

Recording clinical findings and conversations in a cursory or retrospective manner (e.g., 'exam done, discussed options') and omitting negative findings, informed consent details, or the patient's questions and decisions.

Candidates view documentation as a low-yield task under time pressure and may not realize that the OSCE assesses record-keeping as a professional and legal competency; they also lack a consistent template.

What to do instead

Use a structured note format (e.g., SOAP) and document in real time or immediately after the encounter. Include pertinent positives and negatives, the differential diagnosis, the treatment options discussed with risks/benefits, the patient's decision, and any instructions given. Record the consent discussion and patient understanding. Practice writing concise but complete notes for common scenarios.

Mistake 9

Ignoring practice-management realities in case discussions-e.g., recommending a treatment without considering the patient's insurance coverage, out-of-pocket cost, scheduling burden, or the clinic's capacity-and failing to discuss these with the patient.

Candidates focus on clinical correctness and may view financial or logistical discussion as unprofessional or outside the scope of a clinical exam; they also may not have been taught how to have cost conversations.

What to do instead

Routinely include a 'feasibility' check in treatment planning: estimate costs, check coverage, discuss payment options and time commitments, and offer alternatives that fit the patient's resources. Use transparent language ('Let's talk about what this will involve in terms of time and cost') and document the discussion. Familiarize yourself with common billing and scheduling concepts.

Mistake 10

Showing dismissive or judgmental nonverbal behavior (e.g., interrupting, looking at the computer, sighing, blaming the patient for poor oral health) when the patient discloses sensitive information such as smoking, poor diet, or fear of dental care.

Candidates are anxious about time and may react to challenging disclosures with advice-giving or subtle disapproval; they may not have practiced managing their own emotional reactions.

What to do instead

Use reflective listening and normalize the patient's experience ('Many people find it hard to stop smoking; thank you for telling me'). Maintain open body language, avoid interrupting, and explicitly acknowledge the patient's feelings. Practice scripts for common sensitive topics (smoking, weight, anxiety, cost barriers) and ask for feedback on your nonverbal communication during mock stations.