The effect of occlusal contacts on adjacent tooth.

The effect of occlusal contacts on adjacent tooth.

Journal of medical and dental sciences (2006-05-04)

Ayumi Ikeda, Hiroyuki Miura, Daizo Okada, Ayako Tokuda, Tatsuya Shinogaya

ABSTRACT

The purpose of this study was to clarify the influence of changes of occlusal contacts on adjacent tooth displacement during articulation. The amount and direction of displacement of the maxillary left first molar and adjacent teeth were measured using a displacement transducer, Type M-3. Seven subjects were included in this study. On the maxillary left first molar, 8 experimental occlusal contact points were established using platinum foil and these were divided into 2 groups, the buccal and lingual groups, which corresponded to the buccal and lingual cusps, respectively. During clenching, the buccal group showed differences in the direction of the tooth displacement paths among the 3 teeth (second premolar, first and second molar), but there was no difference in the lingual group and the direction of displacement of these 3 teeth was similar to the natural teeth. It is necessary to make at least one lingual occlusal contact point to obtain displacement of not only the abutment tooth but also the adjacent teeth.

MATERIALS

Product Number

Brand

Product Description

GF58265488

Platinum, foil, not light tested, 50x50mm, thickness 0.004mm, as rolled, 99.95%

GF98759200

Platinum, foil, not light tested, 100x100mm, thickness 0.0125mm, as rolled, 99.95%

GF49108619

Platinum, foil, not light tested, 50x50mm, thickness 0.0075mm, as rolled, 99.95%

GF90827185

Platinum, foil, not light tested, 50x50mm, thickness 0.0125mm, as rolled, 99.95%

GF96238570

Platinum, foil, not light tested, 50x50mm, thickness 0.01mm, as rolled, 99.95%

GF33460084

Platinum, foil, not light tested, 50x50mm, thickness 0.0025mm, as rolled, 99.95%

GF30684540

Platinum, foil, not light tested, 25x25mm, thickness 0.004mm, as rolled, 99.95%

GF39448873

Platinum, foil, light tested, 50x50mm, thickness 0.005mm, as rolled, 99.95%

GF95421450

Platinum, foil, not light tested, 100x100mm, thickness 0.01mm, as rolled, 99.95%

GF37488268

Platinum, foil, 8mm disks, thickness 0.004mm, as rolled, 99.95%

GF45750944

Platinum, foil, not light tested, 25x25mm, thickness 0.0075mm, as rolled, 99.95%

GF69099610

Platinum, foil, light tested, 50x50mm, thickness 0.05mm, as rolled, 99.95%

GF11448840

Platinum, foil, 8mm disks, thickness 0.025mm, as rolled, 99.95%

GF60675442

Platinum, foil, 8mm disks, thickness 0.05mm, as rolled, 99.95%

GF39989176

Platinum, foil, not light tested, 25x25mm, thickness 0.00075mm, permanent polyester support, 99.85%

GF04051178

Platinum, foil, 8mm disks, thickness 0.025mm, as rolled, 99.99+%

GF35841584

Platinum, foil, not light tested, 100x100mm, thickness 0.003mm, as rolled, 99.95%

GF05324183

Platinum, foil, 8mm disks, thickness 0.1mm, as rolled, 99.99+%

GF17993368

Platinum, foil, 10mm disks, thickness 0.125mm, as rolled, 99.95%

GF07973961

Platinum, foil, 0.5m coil, thickness 0.025mm, coil width .85mm, as rolled, 99.95%

GF63387108

Platinum, foil, 10mm disks, thickness 0.125mm, as rolled, 99.99+%

GF85654019

Platinum, foil, 8mm disks, thickness 0.005mm, as rolled, 99.95%

GF04529538

Platinum, foil, 50x50mm, thickness 0.125mm, as rolled, 99.99+%

GF02519917

Platinum, foil, 6mm disks, thickness 0.0125mm, as rolled, 99.95%

GF55534046

Platinum, foil, 0.05m coil, thickness 0.029mm, coil width .34mm, annealed, 99.99%

GF68611237

Platinum, foil, 0.2m coil, thickness 0.029mm, coil width .34mm, annealed, 99.99%

GF41572414

Platinum, foil, 8mm disks, thickness 0.0075mm, as rolled, 99.95%

GF15087203

Platinum, foil, 0.1m coil, thickness 0.025mm, coil width 1.6mm, as rolled, 99.95%

GF87506208

Platinum, foil, 0.2m coil, thickness 0.025mm, coil width 1.6mm, as rolled, 99.95%

GF96551354

Platinum, foil, 10mm disks, thickness 0.0075mm, as rolled, 99.95%