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Volume 34 , Issue 6
November/December 2014
Pages 863–868

Evaluation of the Association Between Embrasure Morphology and Central Papilla Recession by Radiographic Method

Appagere Ramaiah Bindushree, BDS, MDS/Venugopal Ranganath, BDS, MDS/Ashish Sham Nichani, BDS, MDS

PMID: 25411743
DOI: 10.11607/prd.1591

The objective of this study was to evaluate the association between embrasure morphology and central papilla recession. The central papilla was assessed in 372 adults using standardized periapical radiographs of the maxillary central incisors. The following vertical distances were measured: h1, papilla tip to contact point (PT-CP); h2, proximal cementoenamel junction to contact point (pCEJ-CP); h3, bone crest to contact point (BC-CP); and h4, bone crest to papilla tip (BC-PT). Vertical lines were measured along the long axis of the tooth. Horizontal distance was measured as w2 (distance between the two central incisors at the proximal CEJ level, ie, the interdental width). All participants were divided into four groups according to their w2 and h2 measurements: narrow-long (w2 ≤ 2 mm and h2 > 4 mm), narrow-short (w2 ≤ 2 mm and h2 ≤ 4 mm), wide-long (w2 > 2 mm and h2 > 4 mm), and wide-short (w2 > 2 mm and h2 ≤ 4 mm). A statistically significant positive relationship was evident between central papilla recession and age, and a statistically significant negative relationship was evident between age and papilla height in all study groups. The study found that occurrence of central papilla recession is significantly related to age with a wide interdental width and long pCEJCP distance. However, other factors also determine whether the interdental papilla is present or not, and further study of the interaction among these factors is warranted. (Int J Periodontics Restorative Dent 2014;34:863–868. doi: 10.11607/prd.1591)

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