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rev port estomatol med dent cir maxilofac . 2017;58(4):205-211 207

Some amends were made in light of their comments. The Table 1. Characteristics of the participants (n=95).
questionnaire began with the description of the objective of
the study and the ethical considerations concerning anonym- % N
ity and confidentiality of data. The questions were divided into Gender
two main groups. The first group referred to the sample char- Male 44.2 42
acterization with questions regarding personal (age and gen- Female 55.8 53
der) and professional characteristics, intended to obtain infor- Age
mation about the dentists’ education degree, years of clinical 24 -35 years 50.5 48
practice and number of weekly endodontic treatments. The 36 -45 years 33.7 32
second group of questions concerned the prescription of an- > 45 years 15.8 15
tibiotics in their clinical practice, namely, the type of antibiot- Academic background
ics (for patients with and without allergies), the clinical con- Degree in Dentistry 45.3 43
ditions in which they were used and the number of days of Post -graduation degree 41.1 36
treatment. All the participants were contacted in person. Master degree 52.6 50
2.1
PhD degree
2
All data were analyzed using the IBM SPSS Statistics 20 soft-
ware (IBM Corporation, Chicago, IL, USA). Sample characteristics Number of endodontic treatments per week
were analyzed as average ± standard deviation (SD), counts or < 5 32.6 31
43
5 -10
45.3
proportions. The χ2 test was used for comparisons and correla- > 10 22.1 21
tions between groups in nominal data. The Spearman’s rank
correlation coefficient was also used to test for correlations. The
differences in the prescribed number of days for antibiotic treat-
ment between males and females and between different aca- (SD = 7.5 years) of clinical experience. Most of the dentists held
demic degrees (DDS degree, master or PhD) were tested with a master degree and more than 40% held a post -graduate de-
independent t -tests. The differences in the prescribed number gree (Table 1). The most common number of endodontic treat-
of days for antibiotic treatment between age groups and be- ments performed per week was 5 to 10 (Table 1).
tween groups of dentists with different experience/time dedi- Regarding antibiotic prescription, the great majority of den-
cated to endodontics practice was tested with the one -way tists referred prescribing antibiotic therapy for 8 days (78.9%);
ANOVA. The level of significance was set at p < 0.05. 13.7% for 7 days, 3.2% for 10 days, 3.2% for 5 days and 1.1% for
6 days.
Most of the dentists (82.1%) prescribed 875 -mg amoxicillin
Results
associated with 125 -mg clavulanic acid in patients with no
From a total of 135 questionnaires, 95 dentists (females: 55.8%) medical allergies (Figure 1). The second most often prescribed
participated in this study. Table 1 summarizes the characteris- antibiotic was amoxicillin (13.7%).
tics of the participants. Fifty percent of the dentists were less Clarithromycin and azithromycin were the first -choice an-
than 35 years old. The participants had an average of 10 years tibiotics for patients with sensitivity to penicillin, as they were

A

Figure 1. Antibiotic preference for patients without Sensitivity to Penicillin

B