OHDR STUDY — Educational Clinical Intelligence Platform™
OHDR Photobiomodulation™

Final examination

Theoretical examination — 20 questions. The pass mark is 70%; 80% is advanced and 90% distinction. Certification also requires the case examination, the practical assessment and tutor approval.

Progress: 0 / 20 answered

Q1 · biology
single best

PBM without a photosensitiser is best described as:

Q2 · biology
single best

The biphasic dose-response implies that:

Q3 · physics
single best

Irradiance is defined as:

Q4 · dosimetry
calculation

0.1 W for 30 s over a 0.5 cm diameter spot gives a fluence of approximately:

Q5 · dosimetry
error detection

A protocol states '2 J per point'. What is missing to interpret the biological dose?

Q6 · dosimetry
calculation

Target fluence 6 J/cm², spot diameter 0.4 cm, power 0.1 W. Required time per point ≈

Q7 · safety
single best

Eye protection during PBM is required for:

Q8 · indications
scenario

A patient with untreated periodontitis requests PBM instead of instrumentation. The correct verdict is:

Q9 · evidence
single best

Which application currently carries the strongest evidence base in dentistry-related PBM?

Q10 · evidence
true false reasoning

True or false: emerging evidence may be presented to patients as established benefit.

Q11 · reasoning
scenario

Postoperative pain increases on day 4 with purulent discharge. The correct action is:

Q12 · specialty
single best

In endodontics, PBM must not be presented as:

Q13 · specialty
single best

In pediatric dentistry, the dose that matters clinically is:

Q14 · framework
single best

In the OHDR-PBM framework, which step immediately follows 'Is PBM indicated?'

Q15 · framework
single best

'PBM not indicated' should be recorded as:

Q16 · reasoning
scenario

A persistent indurated tongue ulcer of 4 weeks in a smoker. PBM is:

Q17 · physics
single best

Doubling the spot diameter while keeping power and time constant will:

Q18 · safety
single best

In medically complex patients, PBM:

Q19 · indications
single best

Which is a defensible PBM objective in implant dentistry?

Q20 · dosimetry
calculation

0.05 W, 60 s, spot diameter 1 cm. Fluence ≈

Clinical case examination

The case examination is passed by completing the case library (0 / 11 completed) and confirming submission below for tutor review.

Educational content only. These algorithms are educational decision-support tools and never autonomous medical decision-makers. Clinical decisions remain the responsibility of the treating professional. Certification within OHDR Study™ is not a university award unless an authorised institution has been formally configured.