Effect of Benign Familial Neutropenia on the Periodontium of Yemenite Jews

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Abstract
The purpose of this study was to compare the periodontal status of Yemenite Jews with and without benign familial neutropenia (BFN). Thirtyfour volunteers were examined at baseline and after 3 years. Plaque index (PII), bleeding index (BI) probing depth (PD), and attachment levels (AL) were recorded. Differential blood counts were done on at least three occasions during the study. Volunteers with at least one count of <2000 neutrophils were considered neutropenic. The majority of patients received oral hygiene instructions and scaling at the initial visit. During the study there was a significant drop in PII (P<0.01) and BI (P<0.05). At baseline the BFN and non-BFN volunteers had similar PII, but the BI was signficantly greater in the BFN group. At follow-up, there was a significantly greater number of teeth with pockets .gtoreq. 6 mm in the BFN group (p<0.05). These results indicate that volunteers with BFN, a phenomenon that has not previously been associated with any pathology, are more susceptible to gingival inflammation and attachment loss than unaffected volunteers and that they respond more favaorably to an improvement in oral hygiene.

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