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PubMed2002

George Franklin Grant, DMD: renaissance man.

While George Franklin Grant may be known as the second African American dental graduate and the inventor of the golf tee, it is not generally known that he was one of the pioneers in cleft palate and speech therapy, a longtime faculty member of Harvard University's dental school, and the founder of the Harvard Odontological Society.

Dentistry, Operative↗
PubMed2003

[Oral surgery in hemophilia patients].

Oral surgery in hemophilia patients requires special arrangements in close collaboration with a hemotologist. Minor oral surgeries in not complicated cases can be done by a dentist or an oral surgeon with aid and assistance of a hemotologist. All major oral surgeries in hemophilia patients with antibodies counteracting coagulation agents should occur in a hemophilia treatment centre.

Adult↗
PubMed2003

How well do fourth year Wits dental students place resin composite restorations?

OBJECTIVES: To evaluate, by means of a scanning electron microscope (SEM) the quality of resin composite restorations, placed as a first attempt by fourth-year dental students. METHODS: Ten Class IV direct composite restorations, placed in plaster-mounted extracted incisor teeth as part of pre-clinical course requirements, were selected. Specimens were evaluated and graded on a two-point scale by a staff member according to departmental clinical evaluation criteria. Five restored teeth were prepared for surface evaluation of marginal integrity, surface roughness and contour using SEM. The remaining specimens were embedded in resin and ground down transversely, parallel to the incisal edge until a dentine core was apparent. The ground surfaces were polished, prepared for SEM and assessed for etched layer, placement of bonding agent, composite adaptation and overall consistency. RESULTS: Clinical assessment and SEM surface evaluation correlated favourably for all criteria, except contour, indicating that students were reasonably competent in finishing techniques. Ground samples revealed acceptable etched enamel layers and marginal adaptation. Bonding agent thickness varied between 0 and 200 microns casting doubt on procedural accuracy. Porosities and voids were apparent within the resin composite. Internal features were the main reason for unsatisfactory grades. CONCLUSIONS: Students placed restoration satisfactorily. They would benefit if able to examine sectioned restorations to understand critical placement techniques which would contribute to resin composite restoration success. A research component can be introduced into the dental undergraduate curriculum by way of similar projects linked to didactic course-work.

Clinical Competence↗
PubMed1992

Extending the use of rubber dam isolation: alternative procedures. Part I.

Most dentists are well aware of the value of the rubber dam in allowing technical excellence; however, few recognize the potential for protecting the dentist and staff against the ever-growing number of carriers of the hepatitis and human immunodeficiency viruses. The effectiveness of the rubber dam as an isolation barrier is dependent on the consistency of its application. Sporadic rubber dam application is therefore a weak link in an infection control program. This paper describes additional modified utilizations of rubber dam, uses that are generally not attempted with restrictive orthodox application methods. In addition, practical hints on other means of retention are offered, with the emphasis on nuisance-free and easy application.

Dental Implants↗
PubMed1992

Lasers in dentistry.

Lasers, which are constantly evolving, can be customized to meet dental requirements and could become a very useful tool for dental practitioners. The article provides an introduction to the instruments, which includes a description of how they work and discusses their applications in dentistry.

Dental Caries↗
PubMed1992

Electrosurgery in restorative dentistry: 1. Theory.

Electrosurgery techniques have been used in dentistry as an aid to soft tissue management for nearly 60 years. However, it was not until the late 1960s that the principles of electrosurgery were understood and improved equipment became available. Part 1 of this two-part series covers the theory behind using this technique. Part 2 will discuss the clinical applications.

Dentistry, Operative↗
PubMed1992

Incidence of transient bacteremia following dental surgery--prophylactic use of cefuroxime, ceftriaxone or clindamycin.

The incidence of transient bacteremia after dental surgery as examined in 15 ml of venous blood has been previously found to amount to 69%. In this study, cefuroxime (1.5g), ceftriaxone (1.0g) or clindamycin (0.6g) was used for chemoprophylaxis to investigate the rate of transient bacteremia after dental surgery. The concentrations of these antimicrobial agents in peripheral blood and an effusion from the tooth extraction wound were measured. The incidence of transient bacteremia was limited to 4.2% by cefuroxime, 0% by ceftriaxone and 5.9% by clindamycin.

Adult↗