The effect of occlusal discrepancies on gingival width.
BACKGROUND
A relationship between occlusal forces and gingival recession has been postulated in the past. However, minimal data are available to demonstrate a causal relationship between occlusal forces and recession.


METHODS
The records from a private practice limited to periodontics were reviewed to find patients who had complete periodontal examination records, including occlusal analysis and gingival width, that were recorded at least 1 year apart. Patients who fit this criteria were divided into those who had none of the recommended treatment (untreated, n = 30), those who had only non-surgical treatment (partially treated, n = 20), and a control group who had completed all recommended surgical and non-surgical treatment (completely treated, n = 41). The data for each tooth of each patient, including occlusal status and gingival width, were placed in a database and analyzed for a relationship between occlusal discrepancies and changes in gingival width.


RESULTS
No statistically significant relationship was detected between the presence of occlusal discrepancies and initial width of the gingival tissue (P = 0.414) or between occlusal treatment and changes in the width of the gingiva (P = 0.481).


CONCLUSIONS
Based on the current study, there does not appear to be a relationship between occlusal discrepancies and gingival recession.
Harrel
Stephen K
SK
Baylor College of Dentistry, Dallas, TX, USA. skh1@airmail.net
Nunn
Martha E
ME
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000704:Analysis of Variance; D005260:Female; D005889:Gingival Recession / Q000209:etiology*; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000150:complications*; D008875:Middle Aged; D012044:Regression Analysis; D012189:Retrospective Studies