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%

GF90827185

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

GF35428406

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

GF30259357

Platinum, foil, 25x25mm, thickness 0.125mm, 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%

GF92036235

Platinum, foil, 25x25mm, thickness 0.125mm, as rolled, 99.99+%

GF06396532

Platinum, foil, 10mm disks, thickness 0.025mm, as rolled, 99.99+%

GF88232542

Platinum, foil, 15mm disks, thickness 0.025mm, as rolled, 99.95%

GF09598809

Platinum, foil, 0.5m coil, thickness 0.025mm, coil width .4mm, as rolled, 99.95%

GF87499906

Platinum, foil, 6mm disks, thickness 0.004mm, as rolled, 99.95%

GF99566410

Platinum, foil, 15mm disks, thickness 0.025mm, as rolled, 99.99+%

GF52591462

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

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%

GF61547632

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

GF84685236

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

GF63387108

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

GF80498391

Platinum, foil, 4mm disks, thickness 0.01mm, as rolled, 99.95%

GF85654019

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

GF65523034

Platinum, foil, 10mm disks, thickness 0.1mm, as rolled, 99.99+%

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%

GF41572414

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

GF37488268

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

GF89210336

Platinum, foil, 4mm disks, thickness 0.025mm, 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%