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Periodontal Disease as a Risk Factor for Bisphosphonate-Related Osteonecrosis of the Jaw

Identifieur interne : 002312 ( Main/Exploration ); précédent : 002311; suivant : 002313

Periodontal Disease as a Risk Factor for Bisphosphonate-Related Osteonecrosis of the Jaw

Auteurs : Vivek Thumbigere-Math [États-Unis] ; Bryan S. Michalowicz [États-Unis] ; James S. Hodges [États-Unis] ; Michaela L. Tsai [États-Unis] ; Karen K. Swenson [États-Unis] ; Laura Rockwell [États-Unis] ; Rajaram Gopalakrishnan [États-Unis]

Source :

RBID : PMC:3972496

Abstract

Background

Previous case reports and animal studies suggest periodontitis is associated with bisphosphonate-related osteonecrosis of the jaw (BRONJ). We conducted a case-control study to evaluate the association between clinical and radiographic measures of periodontal disease and BRONJ.

Methods

25 BRONJ patients were matched with 48 controls. Trained examiners measured probing depth (PD), clinical attachment level (CAL), and bleeding on probing (BOP) on all teeth except third molars, and gingival and plaque indices on six index teeth. Alveolar bone height was measured from orthopantomograms. Most BRONJ cases were using antibiotics (48%) or a chlorhexidine mouthrinse (84%) at enrollment. Adjusted comparisons of cases vs. controls used multiple linear regression.

Results

The average number of BP infusions was significantly higher in BRONJ cases compared to controls (38.4 vs 18.8, p=0.0001). In unadjusted analyses, BRONJ cases had more missing teeth (7.8 vs 3.1, p=0.002) and high average CAL (2.18 vs 1.56 mm, p=0.047) and percent of sites with CAL ≥3 mm (39.0 vs 23.3, p=0.039) than controls. Also, BRONJ cases had lower average bone height (as a fraction of tooth length, 0.59 vs 0.62, p=0.004) and more teeth with bone height under half of tooth length (20% vs 6%, p=0.001). These differences remained significant after adjusting for age, sex, smoking, and number of bisphosphonate infusions.

Conclusions

BRONJ patients have fewer teeth, greater CAL, and less alveolar bone support compared to controls after adjusting for number of bisphosphonate infusions. Group differences in antibiotics and chlorhexidine rinse usage may have masked differences in the other clinical measures.


Url:
DOI: 10.1902/jop.2013.130017
PubMed: 23786404
PubMed Central: 3972496


Affiliations:


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