Dental Implants Cost

The success of a Dental Implant treatment depends on adherence to Dental Implant Surgery principles, the Prosthodontic aspect of the treatment, and proper Dental Implant Maintenance.

There are two types of Dental Implant Surgery according to number of stages; the single stage and the two stage dental implant surgery. The type of surgery may increase or decrease the dental implants cost.
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Question: What are Mini Dental Implants?

Answer: Mini Dental Implants are small diameter implants which are mainly used for Denture Stabilization especially in the lower arch. MDI has a diameter of less than 3 mm. MDIs are also very useful in orthodontic cases as anchors.

History: Over 20 years ago, a New York dentist by the name of Victor I Sendax designed and started utilizing his surgical technique. Mini dental implants, also known as MDI are 1.8 mm diameter biocompatible titanium alloy implant screws. In early 1998, Dr. Ronald A Bulard, who had previously formed the IMTEC Corporation, entered into a strategic alliance with Dr. Sendax. After studying and refining Dr. Sendax’s original protocol, Dr. Bulard added a single one piece O-Ball design to Dr. Sendax’s concept. With Dr. Bulard’s material enhancement and Dr. Sendax’s patented insertion protocol, the IMTEC Sendax MDI was created.
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Titanium mesh and autogenous bone graft was first introduced by Boyne in 1969, and was re-introduced by Von Arx and others in 1996 as the TIME technique. It is characterized by the use of microtitanium augmentation mesh. Although this technique is widely used for alveolar ridge augmentation, data in the literature regarding the amount of bone gain and the comparison with other augmentation technique is still not sufficient.

In a study of Dr. Tetsu Takahashi, the use of titanium mesh for alveolar ridge augmentation in atrophic jaws was evaluated in the overall success rate, magnitude of ridge augmentation and the rate of complications. Several complication can occur, but most of the trouble are not influenced by the implant treatment results. The results demonstrate that autogenous bone graft with titanium mesh has shown enough alveolar bone reconstruction quantitatively and qualitatively for the implant placement.
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Tixos Cylindrical Implants - Internal Hex by Leader Italia has the following features:
• It is self-threading fixture in titanium, Grade 5
• Microfused, porous, isoealstic surface
• Interconnected cavities: 2-200 microns
• Active porous surface thickness: about 200 microns
• All implants are packaged with a color coded multi-functional tool named Mount-transfer (in titanium, Grade 5).
• High adherence to bone structure
• It has a great resistance to horizontal stresses
• Round apex: minimum trauma during insertion
• An annual check of the implant stability is recommended.
• Compatible with Anoticel Susej Method of Implantology

Tixos dental implants are equipped with a transport tool that allows the surgeon to transport and position the implant in conditions of absolute sterility.
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Tixos Implant by Leader Italia, is the result of 4 years research on new technology applied to Titanium. The structure and morphology of the implant surface are designed by a computer that, with a focused laser beam, produces the desired model by sintering the titanium powder layer after layer. This technology, also known as Laser Microfused Titanium Powder, allows the production of a porous surface characterized by open intercommunicating cavities that widen to an established depth.

Geometry of Implants Surfaces

Recent studies showed the importance of surface geometry in promoting bone formation also in extraskeletal sites. The implant topographic surface modification may optimize the interactions with host tissue during healing phase, in order to obtain the best tissue response in a shorter time.
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Puros Cortical Particulate Allograft by Zimmer offers the density and strength of a cortical autograft without the need for costly and invasive bone harvesting. It can be used alone or as a composite graft in space maintenance and volume enhancement procedures. It also maintains an open network for the proliferation of bone-forming cells. It is denser than cancellous bone and has been used in applications where cortical particulate is needed. Puros Cortical Particulate retains the natural collagen matrix and mineral structure of human cortical bone

Cortical Particles remodel into a dense lamellar structure without sacrficing ridge contour, and into natural viable bone with similar density to native bone. When used in a sandwich technique for the treatment of localized buccal dehiscence defects, Park and Wang reported an average gain of 1.8 mm in bone thickness. While according to Anoticel Sej Method, an average of 1.9 mm of bone thickness was gained. Combining Puros Cortical Allograft with a combination sandwich and mucogingival puch flap technique, one study achieved 1.5 mm to 3.5 mm gain in mean ridge thickness, and 84% to 100% gain in mean ridge height.
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A good brand of particulate allograft is Puros Allografts by Zimmer. From its line of allografts for bone augmentation, puros cancellous particulate allograft has become the bone grafting of choice for many dentists.

Cancellous particulate allograft acts as an osteoconductive scaffold for new bone formation. In large volume of applications, studies have shown faster bone regeneration at 6 months than grafts containing sintered bovine bone matrix. While in small volume applications, regeneration of hard bone has been reported as early as 3-5 months.

Cancellous particulate allograft retains osteconductive properties due to preservation of the natural bone matrix collagen and mineral composition, trabecular pattern, and original porosity enabling the ingrowth of vascular and cellular connective tissue.
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Classification based on the positions of the screw assembly.

Screw assemblies in two adjacent abutments
This method may be used to connect two cast crowns, two roots or a cast crown and a root.

Screw assemblies in the removable section of a combined prosthesis
The fixed part of the prosthesis is cemented in the usual manner and the removable part is then screwed to the fixed component. In this way it is possible to construct a prosthesis on divergent abutments.

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Classification based on location of the screws.

The dental screws may be placed in the following locations
1. Crown.
2. Root.
3. Cast Crown.
4. Coping.
5. Post.
6. Bar.

Screws are placed in metal structures when insertion and removal will be required.

Intracoronal screws
Screws are inserted within the crown contour using the correct reaming or tapping instruments. Once they are in place, the screws may provide retention for a restorative material which in turn may become a core. Of the various types of screw used in this way, the following are the examples:
- TMS pin
- Reten pin

Occasionally, screws are used to add to the retention of a casting. The divergent screws pass through threads in the Casting into the underlying dentin. A screw may act as a retainer for a resin veneer cast crown.

Intra root screws
A screw is inserted into the root preparation to retain a prosthesis such as a cast crown; a retaining device covers the screw. The following systems are among those that are available.
Kurer Crown anchor system
Post and core system
Kurer press stud
The Kurer press stud has a male part on its head. The female part may be simply placed over the male after the stud shaped projection has been screwed into the prepared root.
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In addition to the classification I mentioned in the first post about Dental Screws in Prosthodontics and Dental Implant Prosthodontics, here is the second classification of Dental Screws that may be inserted in the oral cavity.

Classification based on methods of machining the internal thread.

There are two ways of machining the internal thread. The internal thread may be cut in the internal surface of a tube, and the external thread fits this precisely. Alternatively, the internal thread may be cut in the internal surface of a metal part of the prosthetic component of dental implants.

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