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At least 631 records · Page 35Linked to original sources
PubMed1991

Protective mouthguards and sports injuries.

In summary the advantages of providing custom-fitted mouthguards for athletes, especially those involved in contact sports, has been discussed along with the methodology of construction. Because of the apparent lack of negative effects on physical performance and the superior protective characteristics of custom-fitted mouthguards, it seems logical to recommend their use in the competitive sports arena.

Athletic Injuries↗
PubMed1990

Mouth guard and occlusal force distribution.

Mouth guards are effective to prevent traumatic injury in maxillofacial region during sports activities. This study was designed to find out the influence of wearing mouth guards on occlusal force distribution using an occlusal force transducer system (T-Scan system). Occlusal forces were more evenly distributed when mouth guards were in place comparing with natural dentition and with wearing conventional full arch bite planes.

Adult↗
PubMed1990

[Clinical application of T-Scan System. 2. Evaluation of soft mouth guards].

Soft mouth guards are effective to prevent traumatic injury in the maxillofacial region. In this study, we tried to find out the effect of soft mouth guards on the distribution and the magnitude of occlusal force using the T-Scan system. Ten adult subjects volunteered to exert maximum biting force wearing three different types of soft mouth guards. With the limitation of the T-scan system reported in our previous article, following results were obtained. 1) Occlusal forces were more evenly distributed with soft mouth guards than without them. 2) Softer mouth guards were more effective for occlusal force distribution. 3) Since occlusal relationship between mouth guards and mandibular arch could alter the distribution pattern a great deal, occlusion of mouth guards should be examined more carefully.

Adult↗
PubMed1990

[Mouth guard and occlusal force distribution].

Mouth guards are effective to prevent traumatic injury in maxillofacial region during sports activities. This study was conducted to investigate the influence of wearing mouth guards on occlusal force distribution with the T-scan system. With comparison to the value of average occlusal force level per occlusal point (OFL) on natural dentition and wearing conventional full arch bite plane, following results were obtained. 1) Difference of OFL within the same dental arch became smaller when mouth guards were on. 2) Statistically significant difference in OFL was not found between two mouth guards with different hardness. 3) During three seconds clenching, OFL in posterior region changed great deal at the initiation but stayed at about the same level after that.

Bite Force↗
PubMed1990

A practical mouthstick for early intervention with quadriparetic patients.

There are few commercially available mouthsticks with bite plates that are easy to use by quadriparetic patients. The purpose was to design a practical, economical single-arch mouthstick for use in early rehabilitation. The mouthpiece designed was constructed out of self-curing acrylic. It adapted well to the existing dentition, hence giving a stable base. The mouthstick was easily fabricated, using limited materials and resources, and resulted in an appliance which was comfortable, required minimal training and allowed for independent use by the patient.

Equipment Design↗
PubMed1990

The shouting surgeon as a possible source of endophthalmitis.

An ophthalmic surgeon's speaking to a patient during surgery, especially if the patient is hard of hearing and the surgeon must shout to be understood, may increase the patient's risk of developing postoperative endophthalmitis. We performed an experiment demonstrating that the number of bacterial colonies on blood agar plates placed 30 cm from a person's mouth increased in relationship to the volume at which the person spoke. Wearing a surgical mask with an overlapping hood considerably reduced the levels of bacterial growth.

Aged↗
PubMed1990

Prevention of trauma to teeth.

The prevention of disfigurement from loss of or damage to a permanent incisor must be the aim in any caring society. The authors review the options for prevention of trauma, and conclude that the dentist can be of most practical assistance in two ways: by early reduction of pronounced overjets where appropriate, and especially by provision of well-fitting mouthguards for use in sports. The article continues with a critical appraisal of commercial forms of mouthguard, and gives a step-by-step guide to constructing a custom-made mouthguard.

Adolescent↗
PubMed1989

[Survey on oral and maxillofacial injuries in contact sports and diffusion of mouthguards].

Recent reports have shown an increase of oral and maxillofacial injuries caused by sports activities. In European and American countries, mouthguards are the popular measure against these injuries. The purpose of this study was to survey the rate of incidence of oral and maxillofacial injuries caused by contact sports, the diffusion and the evaluation of mouthguards and the interest in mouthguards in Japan. Questionnaires were sent to 244 Rugby football teams in Aichi prefecture and 27 American football teams in the Tokai area. We received replies from 153 Rugby football teams and 17 American football teams, and the results were as follows: 1) The rate of incidence of oral and maxillofacial injuries was 239 players out of 4721 players, which means 5.1% in Rugby football and 22 players out of 428 players, which means 5.1% in American football. 2) The diffusion of mouthguards was 20 out of 153 teams in Rugby football and 16 out of 17 teams in American football. And most of them are using commercially available mouthguards. 3) Almost all teams were not satisfied with their mouthguards and complained of speaking difficulties, discomfort and easy dislocation. 4) Almost all teams desire the improvement of mouthguards. 5) Teams with no experience of mouthguards were very much interested in the use of mouthguards but they do not have enough information about mouthguards. 6) We have to enlighten players and their instructors about mouthguards and diffuse the use of mouthguards more positively to contact sports players.

Adolescent↗
PubMedDate not supplied

Sports dentistry.

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Dentistry↗