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CRDTS Part IV Periodontal Simulated Patient Examination — Information & Free Practice

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CRDTS Part IV Periodontal Simulated Patient Examination

Provider
Central Regional Dental Testing Service, Inc. (CRDTS)
Format
One Part IV examination combining the tablet-based written Extra/Intra Oral Assessment OSCE and clinical skills performed on a typodont/manikin. Both components are reported as one comprehensive total score.
Exam questions
The written OSCE component contains 16 multiple-choice questions, worth 16 of 100 Part IV points. The remaining 84 points assess calculus detection (12), periodontal measurements (12), and scaling/subgingival calculus removal (60).
Time limit
The Part IV candidate manual specifies 15 minutes for the written OSCE and 1 hour 30 minutes for the clinical component.
Passing score
75 or more out of 100 for Part IV; no separate OSCE passing threshold.
Exam fee
$700 when taken as an individual Part IV; site or rental fees are excluded.
Examination outline
  • Part IV Extra/Intra Oral Assessment OSCE (written): The purpose of this part of the examination is to evaluate the level of a candidate’s competency in identifying gross head and neck anatomy, variations of normal anatomy, palpation techniques used to examine the head and neck extra and intraoral structures, and atypical or abnormal findings, whether pathologic or non-pathologic. The OSCE mirrors the Patient-Based Extra/Intra Oral Assessment Evaluation.
Examination sources