Case Studies

CASE 13 (Fig. 15.11)

An infant has this in her mouth that her parents notice. The parents take a cell phone picture and arrive at your office later that afternoon. (Note: the fingers in the image are the parents).

1. Describe the clinical findings. 2. Which descriptive term best describes this lesion? A. Macule B. Bulla C. Nodule D. Tumor 3. Using the adjacent teeth as guides, estimate the diameter of this lesion. 4. What is the location of this lesion? A. Alveolar ridge B. Attached gingiva C. Buccal mucosa D. Lateral tongue 5. What information should the dental hygienist elicit from the child’s parents regarding this lesion? 6. What structure is immediately below this lesion that could help with the clinical assessment? 7. This lesion is most likely a: A. Congenital B. Dental lamina cyst C. Eruption cyst D. Natal 8. What age would you estimate this infant to be based on the dental findings? A. 3–4 months old B. 8–9 months old C. 10–12 months old D. 12–15 months old 9. Regarding this finding, what information should the dentist communicate to this child’s parent?

CASE 14 (Fig. 15.12)

A young child presents to your office and you take this radiograph.

1. What type of radiograph is this? A. Bitewing radiograph B. Periapical radiograph C. Vertical bitewing D. Cross-sectional radiograph 2. How old is this patient? 3. What is the entity distal to the developing 6-year ?

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4. The distal root of the primary second mandibular molar is shorter than the mesial root. What is the most likely cause for this? A. Genetic B. Cystic C. Traumatic D. Developmental 5. Shortening of the distal root of the primary second mandibular molar is called? 6. Are there any dental caries visible on this radiograph? A) Yes or B) No 7. Are the teeth in this radiograph exhibiting normal development? A) Yes or B) No 8. What information should the dentist communicate to this patient regarding the development of the posterior teeth? 9. Considering the patient’s current oral health and development, should this patient receive radiographs of the posterior teeth in 6 months?

CASE 15 (Fig. 15.13)

This child presents to your office.

1. How old is this patient? 2. What is the space between the maxillary central incisors called? A. Genetic defect B. Diastema C. Midline Boyer space D. Eruption frenum 3. Is it likely that the space between the maxillary central incisors will close? 4. Are there any gingival issues in this patient? 5. Is dental plaque biofilm evident? A) Yes or B) No 6. If plaque biofilm is present, where do you see it? 7. Do these teeth exhibit any signs of tooth wear? 8. If present, what type of tooth wear is evident? A. B. C. Erosion D. What should you communicate to the parents of this child?

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