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M C Kafalias

Publications and source records attributed to M C Kafalias.

11 recordsLinked to original sources
PubMed1992

Dual-arch impressions.

All dual-arch impression techniques utilize special stock impression trays of various designs. These trays are made of flexible plastic with fabric or mesh material placed across the occlusal surfaces of the teeth connecting their buccal and lingual flanges. The presence of this material will result in errors by (1) not allowing complete intercuspation during impression-taking; (2) producing incorrect recording of centric occlusion; and (3) because of the elastic memory of the tray/fabric, creating distortion of the elastic impression material. An impression technique is presented which provides a simple and effective method of obtaining dual-arch impressions for single restorations, post and cores, and small bridges. This technique obivates the need for impression trays thus eliminating the errors outlined.

Dental Cavity Preparation↗
PubMed1991

Composite colour matching: the development and evaluation of a restorative colour matching system.

A previous paper reported the construction of a tooth colour atlas. This was used to carry out an extensive measurement and classification of tooth colour. The distribution data obtained showed that 80 percent of tooth colour was concentrated in a central hue band of tooth colour space. Utilising the "blending effect" of composite resin restorations the colour samples could be restricted to this narrow band. A modification of the tooth colour atlas producing a simplified nine colour guide for composite resins was proposed and theoretically this new colour system would achieve approximately ninety-five percent undetectable colour matching. This paper explains the development of the colour guide and reports on two clinical trials to determine the validity of the theoretical conclusions.

Color↗
PubMed1989

Systematized procedure of crown preparation.

The theoretical considerations of the marginal fit of crowns are discussed and the conventional approach in tooth-cutting procedures is addressed. Gingival marginal surface irregularities described as "peak and valley" and "stepping" effects can leave a cement line in excess of 80 microns after cementation. A regimented method of tooth reduction for metal ceramic crowns, using specially designed rotary cutting instruments, is described. The suggested technique accomplishes the crown preparation more rapidly with a consistent standard of excellence.

Carbon↗
PubMedDate not supplied

The Gow-Gates technique for mandibular block anesthesia. A discussion and a mathematical analysis.

Reliable profound mandibular block anesthesia is questionable when depositing the anesthetic solution at the lingula. Complications can occur and the needle may impact a number of important anatomical structures by deep penetration. The Gow-Gates technique for mandibular anesthesia obviates these problems.In this paper the Gow-Gates technique is reinterpreted using a geometrical approach based on lines and planes and is proved mathematically. In so doing a simple yet concise method of reaching the injection site is presented with a definite relationship between the anatomical pathway of the needle and a formal geometrical and mathematical pattern.

Anesthesia, Dental↗