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1.
Eur Arch Paediatr Dent ; 23(5): 777-785, 2022 Oct.
Article in English | MEDLINE | ID: mdl-34599744

ABSTRACT

PURPOSE: To compare the Atraumatic Restorative Treatment (ART) associated with Brix3000™ to ART considering treatment time, pain experienced, and acceptability to children. METHODS: This study was accepted in Research Ethics Committee in July 2019 (number 3469402). Healthy patients (n = 20) aged 3-9 years, with at least one primary molar with occlusal dentine caries without cusp involvement were randomly allocated to either the ART + Brix3000™ group or the ART-only group. The sample was characterised by sex, age, tooth location and caries experience. Time spent and pain experience scores were recorded at prophylaxis, caries removal and restoration. The pain experience (intense, moderate, or mild) was evaluated by the Face, Legs, Activity, Cry, Consolability-revised scale (FLACC-r). Acceptability was assessed by a five-point hedonic facial scale (dichotomised into 'like' and 'indifferent/dislike' bins) and by an open-question interview. Mann-Whitney, Chi-square, and Fisher's exact tests were applied to discern differences in time, pain/sample characterisation and acceptability, respectively. RESULTS: The ART + Brix3000™ group required 8.6 ± 3.1 min to remove caries tissue, whereas the ART group required only 4.8 ± 2.0 min (p = 0.03). The total time spent with treatments was 13.1 ± 4.0 min for ART + Brix3000™, and 9.8 ± 2.7 min for ART (p = 0.03). There was no difference in pain experience and acceptability found among the groups (p > 0.05). CONCLUSION: Although the ART + Brix3000™ technique demanded more treatment time than the ART alone, there were no differences in either pain experience or acceptability.


Subject(s)
Dental Atraumatic Restorative Treatment , Dental Caries , Child , Humans , Dental Atraumatic Restorative Treatment/methods , Papain/therapeutic use , Tooth, Deciduous , Dental Caries Susceptibility , Dental Caries/prevention & control , Pain
2.
J Fish Biol ; 89(1): 876-89, 2016 Jul.
Article in English | MEDLINE | ID: mdl-27264779

ABSTRACT

In this study, seasonal numerical abundance of the critically endangered Atlantic goliath grouper Epinephelus itajara was estimated by conducting scuba dive surveys and calculating sightings-per-unit-effort (SPUE) at three sites in southern Brazil. Seasonal differences in size and reproductive condition of captured or confiscated specimens were compared. The SPUE differed significantly with season, increasing in late spring and peaking during the austral summer months. A significant effect was observed in the number of fish relative to the lunar cycle. All females sampled during the summer were spawning capable, while all those sampled during other seasons were either regressing or regenerating. What these data strongly infer is that the E. itajara spawning aggregation sites have been located in the southern state of Paraná and the northern state of Santa Catarina and summer is the most likely spawning season. Size frequency distributions, abundance and reproductive state were estimated and correlated with environmental variables.


Subject(s)
Bass/physiology , Reproduction , Social Behavior , Animals , Bass/anatomy & histology , Brazil , Female , Male , Moon , Ovary/anatomy & histology , Seasons
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