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The Forgotten Triangular Space: Anatomy, Disease Mechanisms, and Contemporary Management of Interdental Embrasures-A
Shweta Ann Jacob1, Reshma Suresh1, Shankar S Menon1
1Periodontics, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, Kochi, IND.
Abstract:
The interdental papilla forms a critical component of the gingival complex, occupying the embrasure space between adjacent teeth and contributing to aesthetic harmony, phonetic integrity, and defense against food impaction and microbial colonization. Loss of papillary height, manifesting as open embrasures or "black triangles," arises from diverse etiologies, including periodontal disease progression, traumatic hygiene practices, divergent root angulations, aging-related tissue atrophy, and iatrogenic factors. This condition not only compromises smile aesthetics but also predisposes to plaque retention, root sensitivity, and localized inflammation. With increasing patient awareness of cosmetic outcomes, effective maintenance and reconstruction of embrasure spaces have gained prominence in periodontal therapy.
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