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Machined Surface Coronal

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MSc (Machined Surface Coronal) implants offer practitioners an innovative way to take advantage of the best characteristics of smooth and moderately rough implant surfaces.


Rough implant surfaces have long been preferred over traditional machined surfaces because more complex topography has been proven to improve and accelerate bone growth on the implant. In particular, moderately rough surfaces (Sa of 1-2 μm), such as the Southern Implants Alumina Sandblast surface treatment, have shown optimal short and long term stability.

Even though smooth surfaces have shown perfectly acceptable long-term osseointegration, the appearance of rough surfaces has given rise to improved restorative protocols such as immediate loading, simplifying treatment for both clinician and patient.

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Despite the best efforts of clinicians, however, some patients are doomed to progressive bone loss after implantation, which results in the exposure of the first threads of the implant. Compared to smooth surfaces, rough surfaces have a greater propensity to collect bacteria and biofilms which are significant contributing factors to the development of peri-implantitis.

The standard protocol for preventive maintenance is to clean the exposed surface of the implant, using a variety of methods such as chemical flushing, mechanical brushing, or laser debridement. However, another disadvantage of rough surfaces is their resistance to cleaning, and any residual biofilm provides a basis for rapid bacterial growth.

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Surgical advantages

Prosthetic Benefits

  • Resistance to plaque and biofilm growth

  • Improved effectiveness of preventive maintenance for exposed implant surfaces

  • Uncompromising osseointegration and stability with improved surface Southern Implants with over 15 years of clinical success

  • Reduced risk of peri-implantitis or implant failure

  • More predictable treatment of implant-compromised patients

  • Reduced biological complications and simplified maintenance costs and times

  • No special instrumentation or components required – implants compatible with standard external Hex components

  • The Southern Implants MSc implant features a hybrid surface configuration, in which the coronal portion of the implant remains machined (i.e. 3mm smooth), while the remaining portion of the implant has a moderately roughened surface . This inventive design offers the best of both worlds: the bacterial resistance and cleanability of the traditional smooth surface, combined with the superior osseointegration of a modern, clinically proven rough surface. Thus, in the event that a patient experiences progressive bone loss after implantation, peri-implantitis treatment can be slowed or even stopped with standard preventative maintenance measures. This design is particularly beneficial for patients with unstabilized periodontal disease, contraindicated medical history, poor oral hygiene, or the elderly. By bringing together two proven surfaces with different benefits in a single implant, patients who in the past would have been contraindicated to implant therapy can now experience the benefits of a stable restoration.

Technical characteristics

  • Coronal 3mm: machined surface (Sª ~ 0.8μm); remaining apical portion moderately rough (Sª ~ 1.4μm)

  • External Hex and Provata connection

  • Available in Co-Axis® (angled platform) and MAX (large diameter for immediate placement after molar extractions) designs

  • Tapered body shape

  • Diameters available:

  • Straight body: 3.0 / 3.25 / 4.0 / 5.0mm

  • Co-Axis®: 3.25 / 4.0 / 5.0 (12° / 24° / 36° angles)

  • MAX: 6.0/7.0/8.0/9.0mm

  • Available lengths: 6 / 8.5 / 10 / 11.5 / 13 /15 / 18mm

MSc® Implant Catalog

MSc® Product Sheet

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