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DENTAL PAPILLA ANALYSIS: A MULTIFACTORIAL VIEW POINT
by
Rafiel M. Rafiee
A Thesis Presented to the
FACULTY OF THE USC GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
MASTER OF SCIENCE
(CRANIOFACIAL BIOLOGY)
December 2011
Copyright 2011 Rafiel M. Rafiee
Object Description
| Title | Dental papilla analysis: a multifactorial viewpoint |
| Author | Rafiee, Rafiel M. |
| Author email | rafieedds@gmail.com;rafieedds@gmail.com |
| Degree | Master of Science |
| Document type | Thesis |
| Degree program | Cranio-Facial Biology |
| School | School of Dentistry |
| Date defended/completed | 2011-07-14 |
| Date submitted | 2011-10-29 |
| Date approved | 2011-10-31 |
| Restricted until | 2011-10-31 |
| Date published | 2011-10-31 |
| Advisor (committee chair) | Nowzari, Hessam |
| Advisor (committee member) |
Rich, Sandra Navazesh, Mahvash |
| Abstract | Full papillae serve both esthetic and functional roles. Black triangles have perplexed clinicians by interrupting the harmony of the smile. Several studies in the past have attempted to understand the appearance of black triangles. Bone to contact distance is the most discussed factor involved in black triangle appearance, but there seems to be countless others. Newer research has focused on systemic as well as local anatomical factors such as age, interdental width, and tissue thickness. The aim of this study was to evaluate papilla fullness with regards to bone to contact distance, interdental width, periodontal biotype, tooth type, and age. ❧ 333 papillae from 50 patients of the dental hygiene department of the Herman Ostrow School of Dentistry of the University of Southern California were examined. The age of each patient was recorded. After adequate anesthesia, each sextant was examined for papilla fullness. Periodontal sounding was used to measure both the bone to contact distance and the bone to papilla distance. The interdental space was measured at the base of the papilla with a periodontal probe from the transitional line angles of the adjacent teeth. Using transgingival probing, a diagnosis of thick or thin periodontal biotype was assessed. ❧ The age range of our population was between 14 to 77 years of age (mean = 49 years). 229 of the 333 papilla examined were full (68.8%). Premolars are the most common teeth with full papillae, followed by molars, maxillary incisors, and finally mandibular incisors. Periodontal biotype had no effect on black triangle appearance while increased bone to contact distance had a positive effect on black triangle appearance (p=.000). This relationship was also true when controlled for interdental width and age. Increased age had a statistically significant role in black triangle appearance (p=.001), and this relationship was true when controlled for bone to contact distance (p=000). Interdental width was not significant in black triangle appearance (p=.557), unless bone to contact distance was controlled (p<.01). Black triangle appearance is complex in original and a multifactorial approach such as this one is best suited to predict their existence. |
| Keyword | papilla; teeth; black triangle; open embrasure; gingiva; recession; bone to contact distance; dark triangle |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Provenance | Electronically uploaded by the author |
| Type | texts |
| Legacy record ID | usctheses-m |
| Contributing entity | University of Southern California |
| Rights | Rafiee, Rafiel M. |
| Access conditions | The author retains rights to his/her dissertation, thesis or other graduate work according to U.S. copyright law. Electronic access is being provided by the USC Libraries in agreement with the author, as the original true and official version of the work, but does not grant the reader permission to use the work if the desired use is covered by copyright. It is the author, as rights holder, who must provide use permission if such use is covered by copyright. The original signature page accompanying the original submission of the work to the USC Libraries is retained by the USC Libraries and a copy of it may be obtained by authorized requesters contacting the repository e-mail address given. |
| Repository name | University of Southern California Digital Library |
| Repository address | USC Digital Library, University of Southern California, University Park Campus MC 7002, 106 University Village, Los Angeles, California 90089-7002, USA |
| Repository email | cisadmin@usc.edu |
| Archival file | uscthesesreloadpub_Volume71/etd-RafieeRafi-372.pdf |
Description
| Title | Page 1 |
| Contributing entity | University of Southern California |
| Full text | DENTAL PAPILLA ANALYSIS: A MULTIFACTORIAL VIEW POINT by Rafiel M. Rafiee A Thesis Presented to the FACULTY OF THE USC GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE (CRANIOFACIAL BIOLOGY) December 2011 Copyright 2011 Rafiel M. Rafiee |
