The severity of periodontal recessions for each examined patient during dental consultation was evaluated. Moreover, the description of the number of periodontal recessions in patients with good health during dental consultation, the associated risk factors and evaluation of the number of recessions which need surgical therapy were realized.

Inclusion Criteria:

Case:

• patients aged from 20 to 50 years
• patients with recession of more than 1mm
• patient with good health
• patients who aggreed to participate to the study

Controls:

• patients aged from 20 to 50 years
• patients with no recession or recession less than 1mm
• patient with good health
• patients who aggreed to participate to the study

Exclusion Criteria:

• patients with periodontitis
• patients with recession of Class III and IV of modified Miller classification
• patients with previous muco-gingival surgery
• patients pregnant, breatheeding
• patients refusing to participate to the study

Patients are selected during a dental consultation.