The underlying proposition for any experimental/therapeutic trial is the uncertainty that the risks of treatment will be outweighed by its benefits. For some therapeutic interventions (e.g., exercise programs, vitamin supplementation), the potential for treatment-emergent adverse events may prima facie be low or negligible, whereas for others…

Dentistry has evolved from medicine and more especially from the surgical aspect of what is now called medicine. Until the sixteenth century, physic and surgery were separate professions and what we now call dentistry was a part of surgery rather than of physic. For centuries physic was a calling of greater dignity than surgery. Since the major…