| ointment bases | Various mixtures of fats, waxes, animal and plant oils and solid and liquid hydrocarbons; vehicles for medicinal substances intended for external application; there are four classes: hydrocarbon base, absorption base, water-removable base and water-soluble base; several are also emollients. (12 Dec 1998) |
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| ophthalmic ointment | A special ointment for application to the eye that must be free from particles and must be nonirritating to the eye. Synonym: eye ointment, oculentum. (05 Mar 2000) |
| tooth preparation | Procedures carried out with regard to the teeth or tooth structures preparatory to specified dental therapeutic and surgical measures. (12 Dec 1998) |
| tooth preparation, prosthodontic | The selected form given to a natural tooth when it is reduced by instrumentation to receive a prosthesis (e.g., artificial crown or a retainer for a fixed or removable prosthesis). The selection of the form is guided by clinical circumstances and physical properties of the materials that make up the prosthesis. (boucher's clinical dental terminology, 4th ed, p239) (12 Dec 1998) |
| eye ointment | A special ointment for application to the eye that must be free from particles and must be nonirritating to the eye. Synonym: eye ointment, oculentum. (05 Mar 2000) |