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Dental Lamina Cyst (Bohn’s Nodules; Gingival Cyst of Newborn)

Dental Lamina Cyst (Bohn’s Nodules; Gingival Cyst of Newborn)

Etiology • Cystic degeneration of residual dental lamina/odontogenic
epithelium • Found in over 80% of newborns
Clinical Presentation • Small (1–2 mm), usually multiple, yellow-white nodules over
the alveolar crest in neonates •
Usually involute following spontaneous cyst rupture
Diagnosis • Appearance and location • Histologically, parakeratinized epithelial lining with keratinfilled cyst cavity is noted.
Differential Diagnosis • Eruption cyst
Treatment • None; observation only
Prognosis • Excellent