Why is nylon fishing line NOT recommended as the…
Dental trauma questions test protocol-level decisions — splint type, duration, follow-up timing — where one wrong detail means a wrong answer. This exam-level vignette tests your ability to work through clinical details and arrive at the correct management.
A 7-year-old with only four erupted permanent incisors and the remaining primary dentition has had an avulsed upper central incisor replanted. The dentist considers splint material and anesthetic choices. Why is nylon fishing line NOT recommended as the splint material for this patient?
- A. Nylon is too rigid for pediatric teeth and would cause pressure necrosis of the enamel surface
- B. Nylon has poor biocompatibility and causes allergic gingivitis in children under 10 years of age
- C. When there are only a few permanent teeth, nylon splints may loosen or be lost during the healing period
- D. Nylon cannot be bonded with composite resin — only stainless steel wire bonds reliably to teeth
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IADT: 'Nylon (fishing line) splints are not recommended for children when there are only a few permanent teeth for stabilization. This stage of development may result in loosening or loss of the splint.' SOURCE — Fouad AF et al. IADT Avulsion Guidelines, Dent Traumatol 2020;36:331-342, Section 3.1.1, item 6
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