Exam questionKROK 2Dentistry · 2017
A child is 8 years old. There are complaints of congested upper incisors. Objectively: the first molars closure is of Angle’s I class, frontal overbite is orthognathic. The 12 and 22 teeth erupt palatinally with space deficiency of 2/3 of the tooth crown. The 11 and 21 teeth are 10 mm each in cross-section. The child has inherited father’s facial type with prognathism and macrodontia of the central incisors. Choose the preventive treatment, considering this hereditary pathology:
Answer options
- Hotz serial extraction to reduce the dental arch
- Extraction of the 12 and 21 teeth to reduce the dental arch
- Massage of the 12 and 21 teeth area to stimulate their eruption
- Jaw expansion to provide the space for the 12 and 21 teeth
- Filing down of the 11 and 21 approximal surfaces to provide the space for the 12 and 22 teeth
Correct answer
Hotz serial extraction to reduce the dental arch
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