Orthonotes
Orthonotes
by the.bonestories
v3.0 Fusion
v3.0 Fusion
DNB Orthopaedics 2014–2024

Question Paper Analysis

Consolidated analysis of DNB Orthopaedics theory papers across Papers I–IV (2014 to 2024), structured as a direct revision page for high-yield exam preparation.

Overview

Major Conclusions

  • DNB does NOT ask random questions.
  • Around 60–80 core orthopaedic domains repeat continuously.
  • Older papers were descriptive and pathology-oriented.
  • Newer papers are biomechanics-heavy, evidence-based, technology-oriented, complication-focused, and decision-making focused.

Evolution Of DNB Papers

2014–2017: Classical DNB Era

Focus on classifications, pathology, anatomy, clinical features, and conventional management.

Strong Themes

  • Fracture healing
  • TB spine
  • Tendon transfers
  • Scoliosis
  • Amputations
  • Open fractures
  • Pelvic trauma

2018–2020: Transition Era

Shift toward biomechanics, fixation philosophy, arthroplasty science, evidence-based medicine, algorithms, and complication management.

Emerging Topics

  • PRP
  • Biologics
  • Navigation
  • DCO
  • Osteolysis
  • Reamed vs unreamed nailing

2021–2024: Modern DNB Era

Major emphasis on robotics, AI, orthobiologics, revision surgery, cartilage restoration, alignment philosophies, modern arthroplasty, smart implants, and current concepts.

Recent Testing Pattern

WHY • WHEN • COMPARE • BIOMECHANICS • INDICATIONS

Paper-Wise Distribution

Paper I

(Basic sciences + fracture biology + metabolic + infection)

  • Fracture healing
  • Osteoporosis
  • Metabolic bone disease
  • Peripheral nerve injury
  • Cartilage biology
  • Allografts
  • Growth plate/physis
  • Electrodiagnostics
  • Bone scan/DEXA
  • TB pharmacology

Paper II

(Clinical orthopaedics + pediatric + tumors + hand + spine)

  • TB spine
  • Recurrent patella
  • Scoliosis
  • Pediatric hip disorders
  • Bone tumors
  • Hand surgery
  • Hip preservation
  • RA/OA
  • Peripheral nerve compression

Paper III

(Trauma paper)

  • Polytrauma
  • DCO vs ETC
  • Open fractures
  • Spine trauma
  • Compartment syndrome
  • Acetabulum
  • Pelvic trauma
  • Ankle fractures
  • Cervical spine injuries
  • Calcaneum fractures

This is the most predictable paper

Paper IV

(Modern orthopaedics + arthroplasty + technology)

  • Arthroplasty concepts
  • PRP
  • Stem cells
  • Navigation
  • Robotics
  • AI
  • Evidence-based orthopaedics
  • Alignment philosophy
  • Osteolysis
  • Periprosthetic fractures
  • Smart implants
  • Orthobiologics

Most Repeated Topics Over 10 Years

Tier 1 — Extremely Repeated

Polytrauma / DCO
TB spine
Fracture healing
Open fractures
ACL reconstruction
Patellar instability
Arthroplasty concepts
Peripheral nerve injury
Osteoporosis
Bone tumors
DVT / FES
Tendon transfer
Scoliosis
Acetabular fractures
Evidence-based orthopaedics

Most Important Recent Repeats (2020–2024)

Modern DNB Favorites

AI in orthopaedics
Robotics
Navigation
Orthobiologics
PRP
Stem cells
Revision ACL
Cartilage restoration
RAMP lesions
CPAK classification
Kinematic alignment
Smart implants
Vitamin E poly
PET-CT
DR-TB molecular diagnosis
SIRS/CARS
Phage therapy
Augmented reality

Year-Wise Topic Index

2014

  • Acetabular fractures
  • Fracture neck femur in children
  • Whiplash injury
  • Compartment syndrome
  • ASIA score
  • Scaphoid nonunion
  • TB spine
  • Stem cells
  • Limb salvage
  • PCL arthroplasty
  • Cementing
  • PET scan
  • Bone scan

2015

  • Limping child
  • Recurrent patella
  • Open fractures
  • Polytrauma
  • PRP
  • MIPO
  • Distraction histogenesis
  • Brown-Sequard syndrome
  • Scoliosis
  • Carpal tunnel syndrome
  • Tarsal tunnel syndrome
  • Crush syndrome
  • Multiligament knee injury

2016

  • Peripheral nerve injuries
  • TB hip
  • Open tibia fractures
  • Rotator cuff tears
  • Pelvic trauma
  • Bone graft substitutes

2017

  • Osteoporosis
  • Renal osteodystrophy
  • Biofilm
  • Rotator cuff
  • Compartment syndrome
  • Metastatic bone tumors
  • DVT prophylaxis
  • Terrible triad elbow
  • Scaphoid fractures
  • DR-TB
  • PRP
  • Nanotechnology
  • Navigation in TKA
  • ACL reconstruction
  • Stem cells

2018

  • Growth plate
  • Fracture healing
  • DEXA scan
  • Allograft
  • Hyperparathyroidism
  • Necrotizing fasciitis
  • Neuropathic joint
  • ATT in TB
  • Radial nerve paralysis
  • Periprosthetic fractures
  • GCT
  • Distraction osteogenesis
  • Habitual patella dislocation
  • SSI guidelines
  • FAI
  • SPONK
  • Evidence-based orthopaedics

2019

  • Cartilage lesions
  • Revision arthroplasty
  • ACL grafts
  • Tumor reconstruction
  • Pelvic fractures
  • Scoliosis

2020

  • Brachial plexus injuries
  • Cartilage biology
  • Electrodiagnostic tests
  • Hip biomechanics
  • Spinal stability
  • COVID orthopaedic precautions
  • 3D printing
  • Navigation
  • Cementless acetabular cup
  • HTO vs UKA

2021

  • PVNS
  • Morel-Lavallee lesion
  • PLC injuries
  • TLICS classification
  • Ilizarov hip
  • Reverse shoulder arthroplasty
  • Revision ACL
  • FDG-PET
  • Biological rotator cuff treatment

2022

  • Bone-brain axis
  • RED-S
  • FRAX Plus
  • Cartilage restoration
  • RAMP lesions
  • CPAK classification
  • Kinematic alignment

2023

  • AI in orthopaedics
  • Robotics
  • Navigation
  • Smart implants
  • Vitamin E polyethylene
  • Periprosthetic infection

2024

  • Industry 5.0
  • Augmented reality
  • Phage therapy
  • SIRS/CARS in trauma
  • Modern alignment philosophies

High-Yield Frequency Matrix

Topic vs Years Asked vs Related Topics

Topic Years Asked Related Topics Asked
Polytrauma / DCO2015, 2017, 2018, 2021–2024Shock, DVT, ARDS, SIRS/CARS, ETC vs DCO, second hit phenomenon
TB Spine / Osteoarticular TB2014–2024Pott’s paraplegia, DR-TB, ATT, MGIT, BPaL, decompression
Fracture Healing / Nonunion2014, 2015, 2018, 2020, 2022Secondary healing, biomechanics, Ilizarov, bone grafting
Open Fractures2014, 2015, 2017, 2018, 2021Gustilo, fix-and-flap, NPWT, reconstruction ladder
ACL Reconstruction2017–2024Tunnel positioning, graft choices, revision ACL, fixation
Meniscus / Cartilage2018–2024RAMP lesions, cartilage restoration, trochleoplasty
Patellar Instability2015, 2018, 2021–2024Habitual dislocation, MPFL, trochlear dysplasia
Arthroplasty Concepts2014–2024Bearings, osteolysis, navigation, robotics, alignment
Periprosthetic Fractures2018–2024Vancouver classification, revision arthroplasty
Peripheral Nerve Injury2014–2024Radial nerve palsy, tendon transfer, EMG/NCV
Tendon Transfer2014, 2015, 2018, 2020Claw hand, radial nerve, biomechanics
Osteoporosis2015, 2017, 2018, 2021DEXA, FRAX, teriparatide
Bone Tumors2015–2024Osteosarcoma, GCT, Enneking, limb salvage
Limb Salvage2014, 2018, 2020, 2023Megaprosthesis, allografts
Scaphoid Fractures2014, 2017Blood supply, nonunion
Acetabular Fractures2014–2024Pelvic trauma, Judet-Letournel
Cervical Spine Injury2014, 2017, 2018, 2020Odontoid fracture, SCI, ASIA
Scoliosis2015–2024AIS, Cobb angle, growth rods
Pediatric Hip Disorders2015–2024SCFE, Perthes, septic hip
Compartment Syndrome2014, 2017, 2021Fasciotomy, crush syndrome
DVT / Fat Embolism2015, 2017, 2021–2024Virchow triad, trauma ICU
Rotator Cuff2017–2024SLAP lesions, instability
Shoulder Instability2017–2024Bankart, Hill-Sachs, Latarjet
PRP / Orthobiologics2015, 2017, 2021–2024Stem cells, BMP
Stem Cells2014, 2017, 2021–2024AVN hip, cartilage repair
Navigation / Robotics / AI2017–2024Smart implants, AR
Evidence-Based Orthopaedics2018–2024Hierarchy, grading, study design
Ilizarov / Distraction Osteogenesis2015, 2018, 2021Bone transport, limb lengthening
Spinal Stability2015, 2020–2024TLICS, Denis concept
DR-TB2017–2024Molecular tests, second-line ATT
Foot & Ankle2017–2024Hallux valgus, calcaneum fracture
Research Methodology2018–2024EBM, evidence grading

Most Important Final Conclusion

The DNB Orthopaedics examination strongly rewards:

  • Structured answers
  • Classifications
  • Biomechanics
  • Indications
  • Complications
  • Algorithms
  • Evidence-based concepts
  • Modern advances

The safest preparation strategy is mastery of repeated domains rather than exhaustive low-yield reading.