NBDHE Practice Test 4
10 free NBDHE practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
Question 1 of 10
Case Based ItemsPatient Case
| Field | Details |
|---|---|
| Patient | Male, 7 years; weight 25 kg (55 lb) |
| Chief Complaint | Mother: "He says his bottom back tooth on the right hurts when he eats candy." |
| Background and/or Patient History | Mild persistent asthma: fluticasone inhaler twice daily; albuterol inhaler as needed (last used 3 weeks ago). Sealant placed on tooth 19 one year ago in a school program. No previous restorations. First dental visit in 2 years. |
| Allergies | |
| Social History | Lives with both parents and an older sister. Drinks a juice box with lunch and another after school. Brushes once daily with a fluoride toothpaste, with a parent's help. |
| Current Findings | BP 98/60 mm Hg; pulse 92 bpm; respirations 20/min. Oral hygiene: heavy plaque on the molars; localized gingival bleeding. |
| Tooth | Facial PD (D-F-M) | Lingual PD (D-L-M) | Recession F / L | BOP | Mobility | Furcation |
|---|---|---|---|---|---|---|
| 3 | 2-1-2 | 2-2-2 | 0 / 0 | F | 0 | — |
| 8 | 2-1-2 | 2-1-2 | 0 / 0 | — | 0 | — |
| 9 | 2-1-2 | 2-1-2 | 0 / 0 | — | 0 | — |
| 14 | 3-2-2 | 3-2-2 | 0 / 0 | D-F, D | 0 | — |
| 19 | 2-1-2 | 2-2-2 | 0 / 0 | — | 0 | — |
| 24 | 2-1-2 | 2-1-2 | 0 / 0 | — | 0 | — |
| 25 | 2-1-2 | 2-1-2 | 0 / 0 | — | 0 | — |
| 30 | 2-2-3 | 2-2-2 | 0 / 0 | M-F | 0 | — |
| Tooth | Condition |
|---|---|
| 3 | Fully erupted; deep, stained pits and fissures; no cavitation |
| 14 | Partially erupted; tissue flap covers the distal half of the occlusal surface |
| 19 | Occlusal sealant, fully retained |
| 30 | Occlusal cavitation with soft dentin |
| 8, 9, 24, 25 | Erupted |
| 23, 26 | Erupting |
| A, B, C, D, G, H, I, J, K, L, M, R, S, T | Primary teeth present |
| L | Distal cavitation |
Radiograph description (bitewings and mandibular posterior periapicals): Tooth L — distal radiolucency through the enamel into the outer half of the dentin. Tooth 30 — occlusal radiolucency beneath the enamel extending into the middle third of the dentin. Teeth 3 and 14 — no radiolucencies. Beneath the roots of tooth S — a developing tooth crown with no root formation. Beneath the roots of tooth T — a developing tooth crown with no root formation. Beneath teeth K and L — developing crowns. Alveolar crests 1–2 mm apical to the CEJs.
Clinical photograph description: Chalky white opacities along the cervical third of teeth 8 and 9; deep, brown-stained fissures on tooth 3; tissue flap over the distal half of tooth 14; yellow-brown cavitation on the occlusal surface of tooth 30.
Which tooth is immediately mesial to tooth 30?