American journal of dentistry (AM J DENT)

Journal description

The American Journal of Dentistry, published by Mosher & Linder, Inc., provides peer-reviewed scientific articles with clinical significance for the general dental practitioner.

Current impact factor: 0.85

Impact Factor Rankings

2015 Impact Factor Available summer 2016
2014 Impact Factor 0.85
2013 Impact Factor 1.062
2012 Impact Factor 1.057
2011 Impact Factor 0.757
2010 Impact Factor 1.145
2009 Impact Factor 1.314
2008 Impact Factor 1.13
2007 Impact Factor 1.276
2006 Impact Factor 1.027
2005 Impact Factor 1.186
2004 Impact Factor 1.032
2003 Impact Factor 1.029
2002 Impact Factor 0.961
2001 Impact Factor 0.885
2000 Impact Factor 1.452
1999 Impact Factor 1.403
1998 Impact Factor 1.135
1997 Impact Factor 1.116

Impact factor over time

Impact factor

Additional details

5-year impact 1.26
Cited half-life 9.90
Immediacy index 0.03
Eigenfactor 0.00
Article influence 0.33
Website American Journal of Dentistry website
Other titles American journal of dentistry, AJD
ISSN 0894-8275
OCLC 16264374
Material type Periodical
Document type Journal / Magazine / Newspaper

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: To investigate the effects of desensitizing agents on dentin tubule occlusion, acid and tooth brushing challenge, and microhardness change of human dentin. Partially demineralized dentin slabs were divided into four groups (n = 30): (1) Control, (2) Non-desensitizing toothpaste, (3) Pro-Argin toothpaste, (4) CPP-ACP paste. The specimens were treated with these dentifrices for 2 minutes/day and soaked in artificial saliva (AS) for 24-hour remineralization. Then the dentin discs were divided into three subgroups for removal resistance tests: acid challenge, mechanical brushing challenge and blank control. Changes in dentin morphology were observed using scanning electron microscopy (SEM). Vickers microhardness measurements were performed at baseline and after 24-hour remineralization for all groups. A surface layer and intra-tubular crystals were observed in SEM imaging of Pro-Argin toothpaste and CPP-ACP paste groups, which occluded most of the dentin tubules for those specimens. But the dentin tubules were opened after the acid challenge again. Moreover, the dentin microhardness showed a slight increase after 24-hour AS immersion. The percentage microhardness gain (PMG) values of these two groups were 5.4% and 5.1% respectively, which were significantly higher than the other groups (P < 0.05).
    American journal of dentistry 06/2015; 28(3):128-32.
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    ABSTRACT: The objective of this randomized clinical trial was to evaluate the clinical and microbiological effects of systemic administration of roxithromycin (RXM) as an adjunct to non-surgical periodontal therapy (NSPT) in the treatment of individuals with moderate to severe chronic periodontitis (CP). 70 individuals (38 males and 32 females, aged 25 to 60 years) with moderate to severe CP were randomly allocated into two groups. 35 individuals were allocated to full mouth SRP+RXM while 35 individuals were allocated to SRP+ Placebo group. The clinical parameters evaluated were probing depth (PD), clinical attachment level (CAL), gingival index (GI), plaque index (PI) and % bleeding on probing sites (%BOP) at baseline (B/L), 1-, 3- and 6-month intervals while microbiologic parameters included percentage of sites positive for periodontopathic bacteria A. actinomycetemcomitans, P. gingivalis and T. forsythia at B/L, 3 and 6 months using polymerase chain reaction. RESULTs: Both groups showed improved clinical and microbiologic parameters over 6 months. RXM group showed a statistically significant reduction in mean PD and CAL gain as compared to the placebo group (P < 0.0001). There was reduction in percentage of sites positive for periodontopathic bacteria over the duration of the study in both groups and a statistically significant reduction in the number of sites positive for A. actinomycetemcomitans in RXM group (P < 0.001).
    American journal of dentistry 06/2015; 28(3):137-42.
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    ABSTRACT: To compare the dentin tubule-occluding ability of fluoroaluminocalciumsilicate-based (Nanoseal), calcium phosphate-based (Teethmate Desensitizer), resin-containing oxalate (MS Coat ONE) and diamine silver fluoride (Saforide) dentin desensitizers using artificially demineralized bovine dentin. Simulated hypersensitive dentin was created using cervical dentin sections derived from bovine incisors using phosphoric acid etching followed by polishing with a paste containing hydroxyapatite. The test desensitizers were applied in one, two, or three cycles, where each cycle involved desensitizer application, brushing, and immersion in artificial saliva (n= 5 each). The dentin surfaces were examined with scanning electron microscopy, and the dentin tubule occlusion rate was calculated. The elemental composition of the deposits was analyzed with electron probe microanalysis. Data were analyzed by one-way ANOVA and the Tukey honestly significant different test. Marked deposit formation was observed on the specimens treated with Nanoseal or Teethmate Desensitizer, and tags were detected in the specimens' dentin tubules. These findings became more prominent as the number of application cycles increased. The major elemental components of the tags were Ca, F, and Al (Nanoseal) and Ca and P (Teethmate Desensitizer). The tubule occlusion rates of MS Coat ONE and Saforide were significantly lower than those of Nanoseal and Teethmate Desensitizer (P< 0.05).
    American journal of dentistry 04/2015; 28(2):90-4.
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    ABSTRACT: screen for diabetes control, this study compared glycosylated hemoglobin (HbAlc) levels found in GCB and serum. Methods: Patients diagnosed (n= 29), with diabetes received a venipuncture on the finger and serum blood (METHODS) obtained was tested for HbAlc status chair-side. GCB (test) was collected at site(s) with evidence of bleeding after probing and the HbAlc value was determined in the same manner as with the serum blood. Results: There was a significant correlation between serum blood and GCB using the HbAlc test. The Pearson tion was 0.98 (P< 0.0001). The Altman-Bland bias was -0.21 (P= 0.0095), indicating that on average, the GCB method slightly underestimated the venipuncture serum (control) method for determining HbA1c values. The Altman-Bland 95% agreement interval ranged from -1.02 to 0.6. Furthermore, the HbAlc values were independent of the gingival sites used for collection with intra-patient GCB values exhibiting a correlation value between sites of 0.91 (P< 0.0001).
    American journal of dentistry 04/2015; 28(2):63-7.
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    ABSTRACT: To investigate the clinical efficacy of three toothpastes in controlling established gingivitis and plaque over 6 months. 135 subjects were enrolled in a single-center, double-blind, parallel group, randomized clinical study. Subjects were randomly assigned to one of three treatments: triclosan/copolymer/fluoride dentifrice containing 0.3% triclosan, 2.0% copolymer and 1,450 ppm F as sodium fluoride in a silica base; herbal/bicarbonate dentifrice containing herbal extract and 1,400 ppm F as sodium fluoride in a sodium bicarbonate base; or fluoride dentifrice containing 450 ppm F as sodium fluoride, and 1,000 ppm F as sodium monofluorophosphate. Subjects were instructed to brush their teeth twice daily for 1 minute for 6 months. After 6 months, subjects assigned to the triclosan/copolymer/fluoride group exhibited statistically significant reductions in gingival index scores and plaque index scores as compared to subjects assigned to the herbal/bicarbonate group by 35.4% and 48.9%, respectively. There were no statistically significant differences in gingival index and plaque index between subjects in the herbal/ bicarbonate group and those in the fluoride group. The triclosan/copolymer/fluoride dentifrice was statistically significantly more effective in reducing gingivitis and dental plaque than the herbal/bicarbonate dentifrice, and this difference in efficacy was clinically meaningful.
    American journal of dentistry 04/2015; 28(2):68-74.
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    ABSTRACT: To evaluate the effect of antacid swish in the salivary pH values and to monitor the pH changes in subjects with and without dental erosion after multiple acid challenge tests. 20 subjects with tooth erosion were matched in age and gender with 20 healthy controls according to specific inclusion/exclusion criteria. Baseline measures were taken of salivary pH, buffering capacity and salivary flow rate using the Saliva Check System. Subjects swished with Diet Pepsi three times at 10-minute intervals. Changes in pH were monitored using a digital pH meter at 0-, 5-, and 10- minute intervals and at every 5 minutes after the third swish until pH resumed baseline value or 45 minutes relapse. Swishing regimen was repeated on a second visit, followed by swishing with sugar-free liquid antacid (Mylanta Supreme). Recovery times were also recorded. Data was analyzed using independent t-tests, repeated measures ANOVA, and Fisher's exact test (α= 0.05). Baseline buffering capacity and flow rate were not significantly different between groups (P= 0.542; P= 0.2831, respectively). Baseline salivary pH values were similar between groups (P= 0.721). No significant differences in salivary pH values were found between erosion and non-erosion groups in response to multiple acid challenges (P= 0.695) or antacid neutralization (P= 0.861). Analysis of salivary pH recovery time revealed no significant differences between groups after acid challenges (P= 0.091) or after the use of antacid (P= 0.118). There was a highly significant difference in the survival curves of the two groups on Day 2, with the non-erosion group resolving significantly faster than the erosion group (P= 0.0086).
    American journal of dentistry 04/2015; 28(2):100-4.
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    ABSTRACT: To clinically (a) determine whether laser-induced fluorescence (LIF) was able to assess pulp tissue health or disease in situations of pulp exposure; (b) evaluate the influence of different pulp tissue conditions upon LIF through dentin thicknesses of ≤1 mm; and (c) explore possible differences between the diagnostic performance of quantitative (q) and qualitative (ql) LIF. 98 healthy subjects were scheduled for the treatment of caries. Three groups were established according to pulp tissue condition: Group A (n=30 teeth) (deep caries with healthy pulp tissue); Group B (n=30 teeth) (pulp necrosis); and Group C (n=30 teeth) (irreversible symptomatic acute pulpitis). The carious lesions were eliminated, and q and ql LIF measurements were made at two levels: measurement in dentin at < 1 mm from the pulp (A-D); and direct pulp exposure measurement (A-LP). In healthy pulp tissue at level A-LP, eight teeth with accidental pulp exposure were used. The Kruskal-Wallis test was used to evaluate the statistical significance of the differences in LIF readings among the three groups. The diagnostic performance of q and ql LIF in application to pulp tissue health or disease was assessed by calculating the sensitivity and specificity of the two tests at level A-LP. A significant correlation was observed between acute pulpitis and an increase in the q LIF values at level A-D (P= 0.004), but with no correlation to healthy pulp. Quantitative and qualitative LIF may be useful in diagnosing pulp tissue health or disease in situations of pulp exposure (A-LP).
    American journal of dentistry 04/2015; 28(2):75-80.
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    ABSTRACT: To determine the efficacy of a solar-powered TiO2 semiconductor electric toothbrush on Porphyromonas gingivalis biofilm. P. gingivalis cells were cultivated on sterilized coverslips under anaerobic conditions and were used as a biofilm. To evaluate the efficacy of the solar-powered TiO2 electric toothbrush on the P. gingivalis biofilm, the bacterial cell biofilm coverslips were placed into sterilized phosphate buffered saline (PBS) and brushed for 1 minute. Following mechanical brushing, the coverslips were stained with 1% crystal violet (CV) for 10 seconds at room temperature. The efficacy of P. gingivalis biofilm removal by the solar-powered TiO2 electric toothbrush was measured through the absorbance of the CV-stained solution containing the removed biofilm at 595 nm. The antimicrobial effect of the solar-powered TiO2 semiconductor was evaluated by the P. gingivalis bacterial count in PBS by blacklight irradiation for 0 to 60 minutes at a distance of 7 cm. The electrical current though the solar-powered TiO2 semiconductor was measured by a digital multimeter. The biofilm removal by the solar-powered TiO2 semiconductor was also evaluated by scanning electron microscopy (SEM). The biofilm removal rate of the solar-powered TiO2 electric toothbrush was 90.1 ± 1.4%, which was 1.3-fold greater than that of non-solar-powered electric toothbrushes. The solar-powered TiO2 semiconductor significantly decreased P. gingivalis cells and biofilm microbial activity in a time-dependent manner (P< 0.01). The electrical current passing through the solar-powered TiO2 semiconductor was 70.5 ± 0.1 µA, which was a 27-fold higher intensity than the non-solar-powered brush. SEM analysis revealed that the solar-powered TiO2 semiconductor caused a biofilm disruption and that cytoplasmic contents were released from the microbial cells.
    American journal of dentistry 04/2015; 28(2):81-84.
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    ABSTRACT: To investigate the influence of a high elastic modulus material insert on the stress, shock absorption and displacement of mouthguards. Finite element models of a human maxillary central incisor with and without mouthguard were created based on cross-sectional CT-tomography. The mouthguard models had four designs: without insert, and middle, external, or palatal hard insert. The hard inserts had a relatively high elastic modulus when compared to the elastic modulus of ethylene vinyl acetate (EVA): 15 GPa versus 18 MPa. A non-linear dynamic impact analysis was performed in which a heavy rigid object hit the model at 1 m/s. Strain and stress (von Mises and critical modified von Mises) distributions and shock absorption during impact were calculated as well as the mouthguard displacement. The model without mouthguard had the highest stress values at the enamel and dentin structures in the tooth crown during the impact. It was concluded that the use of a mouthguard promoted lower stress and strain values in the teeth during impact. Hard insertion in the middle and palatal side of the mouthguard improved biomechanical response by lowering stress and strain on the teeth and lowering mouthguard displacement.
    American journal of dentistry 04/2015; 28(2):116-20.
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    ABSTRACT: To compare the effect of combinations of fluoride (F) products on remineralization of caries-like lesions. Demineralized human enamel specimens were assessed by surface microhardness (SMH), stratified and allocated to five treatments groups: (1) Toothpaste containing 1% nano hydroxyapatite (HAP) + 1,450 ppm F; (2) Tooth mousse containing 10% casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) + 900 ppm F plus F toothpaste (1,450 ppm F as NaF); (3) F varnish containing 22,600 ppm F plus F toothpaste (1,450 ppm F as NaF); (4) F toothpaste (1,450 ppm F as NaF); and (5) placebo--distilled water (P). Each group was treated in a 21-day pH-cycling model. Groups 1, 4 and 5 were treated 2x/day. In Group 3, the tooth mousse was administered 1x/day plus 2x/day F toothpaste treatment. In Group 4, F varnish was administered 1x/week plus 2x/day treatment with F toothpaste. After cycling, SMH was re-measured and cross-sectional microhardness measurements were taken. Groups 1-4 produced significant rehardening of enamel. In the superficial layer (25-50 μm deep) significantly higher mineralization (up to 83%, by Volume (V), P < 0.0001) was achieved for Groups 2 and 3. In the area of 75-100 μm deep, the highest mineralization was observed for Groups 1 and 4 (V% = 68-83%).
    American journal of dentistry 02/2015; 28(1):51-6.