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CC BY-NC-ND 4.0 · Eur J Dent 2013; 07(01): 001-005
DOI: 10.1055/s-0039-1698988
Original Article
Dental Investigation Society

Influence of air abrasion tips and operation modes on enamel-cutting characteristics

Cláudia Peruchi
1   Department of Pediatric Dentistry, Catholic University of Brasilia, BRAZIL
,
Ary Santos-Pinto
2   Department of Pediatric Dentistry and Orthodontics, Araraquara Dental School, Sao Paulo State University (UNESP), BRAZIL
,
Tereza Cristina Dias
3   Department of Statistics, Federal University of Sao Carlos (UFSCar), BRAZIL
,
Ana Carolina Mascarenhas Oliveira
4   Department of Health Education, Federal University of Sergipe, BRAZIL
,
Lourdes Santos-Pinto
2   Department of Pediatric Dentistry and Orthodontics, Araraquara Dental School, Sao Paulo State University (UNESP), BRAZIL
› Author Affiliations
Further Information

Publication History

Publication Date:
15 October 2019 (online)

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ABSTRACT

Objective: To assess the influence of air abrasion tips and system operation modes on enamel cutting.

Methods: Forty bovine teeth were abraded with the air abrasion system Mach 4.1 for 10 and 15 seconds, employing conventional and sonic tips of 0.45-mm inner diameter and a 90° angle, and 27.5-μm aluminum oxide at 5.51 bar air pressure in continuous and pulsed modes. The width and depth of the resulting cuts were measured in SEM.

Results: The multivariate analysis of variances revealed that, compared to the sonic tip, the conventional tip produced shallower cuts independent of the operation mode and the application period.

Conclusions: The cutting patterns observed in this study suggest that the pulsed mode produced deeper cuts when both the conventional and sonic tips were used, and that the sonic tip cut more dental tissue than the conventional one. (Eur J Dent 2013;7:1-5)

Key words

Dental air abrasion - conservative dentistry - dental cavity preparation
 

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