Prosthodontics & Occlusion · patient case question
This mandibular arch is classified as:
Patient case: Removable Partial Denture Design
demo: 64-year-old male
chief: “I want to replace my back teeth on both sides.”
history: Has not attended a dentist in several years. Reports dry mouth.
meds: Amitriptyline, hydrochlorothiazide
findings: Mandibular arch missing #17–19 and #30–32 bilaterally, with all anterior teeth present. Generalized marginal inflammation and heavy calculus. Xerostomia. No frank cavitated lesions found today.
Show answer and explanation
Correct answer: D. Kennedy Class I
- A. Class II is a unilateral edentulous area posterior to the remaining teeth.
- B. Class III is a unilateral edentulous area with natural teeth both anterior and posterior to it.
- C. Class IV is a single edentulous area crossing the midline, anterior to the remaining teeth.
- D. Correct. Bilateral edentulous areas posterior to the remaining natural teeth define Kennedy Class I — a bilateral distal extension case.
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