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

GF57762399

Platinum, foil, not light tested, 50x50mm, thickness 0.005mm, as rolled, 99.95%

GF58265488

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

GF72819715

Platinum, foil, 25x25mm, thickness 0.25mm, as rolled, 99.99+%

GF87686173

Platinum, foil, 30x30mm, thickness 0.2mm, as rolled, 99.95%

GF17993368

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

GF35428406

Platinum, foil, 15x15mm, thickness 0.2mm, as rolled, 99.95%

GF37488268

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

GF63387108

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

GF52591462

Platinum, foil, 4mm disks, thickness 0.0075mm, as rolled, 99.95%

GF30259357

Platinum, foil, 25x25mm, thickness 0.125mm, as rolled, 99.95%

GF02519917

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

GF00187163

Platinum, foil, 0.1m coil, thickness 0.15mm, coil width .9mm, as rolled, 99.99%

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%

GF25102897

Platinum, foil, 0.5m coil, thickness 0.045mm, coil width .75mm, 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%

GF14989641

Platinum, foil, 8mm disks, thickness 0.0125mm, as rolled, 99.95%

GF85654019

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

GF72782231

Platinum, foil, 50x50mm, thickness 0.1mm, as rolled, 99.99+%

GF07973961

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

GF89210336

Platinum, foil, 4mm disks, thickness 0.025mm, as rolled, 99.95%

GF06440048

Platinum, foil, 4mm disks, thickness 0.05mm, as rolled, 99.95%

GF61547632

Platinum, foil, 8mm disks, thickness 0.01mm, as rolled, 99.95%

GF83172269

Platinum, foil, 0.05m coil, thickness 0.025mm, coil width .4mm, as rolled, 99.95%

GF60594442

Platinum, foil, 0.5m coil, thickness 0.025mm, coil width 8mm, as rolled, 99.95%

GF36280021

Platinum, foil, 0.2m coil, thickness 0.025mm, coil width .4mm, as rolled, 99.95%

GF84685236

Platinum, foil, 6mm disks, thickness 0.005mm, as rolled, 99.95%