The association between embrasure morphology and central papilla recession
: Blackwell Synergy
Objective: To discover the association between embrasure morphology and central
Material and Methods: The central papilla was visually assessed in 330 adults using
standardized periapical radiographs of the maxillary central incisors. The following
vertical distances were measured: papilla recession [i.e., the distance from the papilla
tip (PT) to the contact point (CP)], bone crest (BC) to contact point (BCÃ¢â‚¬â€œCP), proximal
cementoenamel junction (pCEJ) to contact point (pCEJÃ¢â‚¬â€œCP), and papilla height (PH).
The horizontal distance measured was the inter-dental width. Subjects were divided
into four groups according to inter-dental width and pCEJ-CP distance, respectively:
narrow-long, narrow-short, wide-long, and wide-short.
Results: A statistically positive relationship was evident between central papilla
recession and age, and a statistically negative relationship was evident between age
and PH in all study groups.
Conclusions: Central papilla recession as a result of ageing is most frequently
associated with a wide inter-dental width and long pCEJÃ¢â‚¬â€œCP distance. However, other
factors affect the likelihood of the presence of the inter-dental papilla, and further
study of the interaction among these factors is warranted.
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