September 29

According to an editorial by Sanz et. al., an evidently hopeless tooth has attachment loss that approximates _____% of root circumferentially, in combination with ______.

• ≥80, Class III furcation

• 100, Degree III mobility

• 100, suppuration

• ≥80, Degree III mobility

The staging of a patient, once properly established, should not regress (improve) and be re-classified.

• True

• False

Patients who were former diagnostic category “localized aggressive periodontitis” are characterized by all of the following, EXCEPT:

• Higher risk in certain ethnicities

• Hyperactive PMN chemotaxis

• Early interception and treatments are usually quite effective

• Caries risk unaffected

Available evidence demonstrates that composite resin is ______ in plaque-retentive capability, compared to enamel in initiating gingivitis.

• similar

• higher

• lower

The most frequent developmental groove appears to be the palatal groove, most often located in the ____________with a prevalence of 1% to 8.5% at the subject level and 2.2% at the tooth level.

• maxillary canine

• mandibular canine

• maxillary lateral incisor

• maxillary molar

• mandibular molar