When dentists appear in literature, it seems that they are frequently portrayed as evil, cruel and, sometimes, even rather stupid--but is this a fair assumption? Dr Horacio Martinez, a dentist in Buenos Aires, Argentina, steers us through a number of well known novels where the dentist plays a crucial role.

Dentists↗

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Apical-coronal implant position: recent surgical proposals. Technical note.

The conventional placement protocol for submerged and non-submerged implants was proposed in the 1960s and 1970s. Multicenter studies have reported satisfactory success rates for both protocols and a similar loss of crestal peri-implant bone after implant loading (0.5 to 1.5 mm). In recent years, placement of submerged implants using a single surgical procedure was introduced, with the immediate placement of a healing abutment. Some studies reported good short-term results using this approach. Recently, a supracrestal apical-coronal positioning of the implant collar has been proposed for posterior sectors using submerged implants. This positioning facilitates the second surgical phase, as well as fabrication of the prosthetic restoration, and limits the amount of crestal bone loss.

Alveolar Process↗

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The self-tapping and ICE 3i implants: a prospective 3-year multicenter evaluation.

This multicenter prospective clinical evaluation was undertaken to determine the therapeutic success and marginal bone level stability of 3i's self-tapping and ICE implants after 3 years of prosthetic loading. Between July 1995 and June 1996, 189 completely or partially edentulous patients were treated with 614 machined-surface screw-type commercially pure titanium implants (self-tapping or ICE). Two hundred seventy-seven self-tapping implants were placed in 85 patients (average age of 56 years), and 337 ICE implants were placed in 104 patients (average age of 61 years). A total of 360 implants (58.6%) were placed in posterior segments. Easier placement was reported with the ICE implant in normal or dense bone. For the self-tapping implants, survival rates of 92.9% and 91.6% were noted after 1 and 3 years of prosthetic loading, respectively. Survival rates of 95.4% and 93.8% were obtained with the ICE implant for the same periods. Late failures (after loading) were more common than early failures (before loading) for both types of implants. The marginal bone level of 238 self-tapping implants (85.9%) and of 307 ICE implants (91%) was radiographically evaluated at 3 years. Marginal bone level was at the first thread for 95.1% of implants. A loss of marginal bone level of 2 to 4 threads was noted for 4.9% of the evaluated implants. No implant showed bone loss greater than the fourth thread. Overall survival rates of 94.3% and 92.9% were obtained after 1 and 3 years of prosthetic loading, respectively, for 596 and 588 implants.

Adult↗

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Three-stage approach to aesthetic implant restoration: emergence profile concept.

Proper treatment planning and precise evaluation of various parameters (e.g., bone volume, soft tissues, dental anatomy, surgical and prosthetic components) are crucial for an aesthetic implant restoration. The three-stage approach of the emergence profile concept guides the selection of implant, healing abutment, and provisional prosthesis. Adaptation of the implant, provisional prosthesis, and crown restoration stages and their harmonious integration with the soft tissues enable the development of an optimal aesthetic result. This article demonstrates the incorporation of the emergence profile concept for aesthetic implant placement.

Crowns↗

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[Origin, development and spreading of cervix uteri solid cancer].

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Female↗