Dentures

Conventional Dentures

At Dr. Kirshen's office conventional dentures are fabricated using a 2 stage impression technique. After preliminary impressions are taken we fabricate custom trays for each arch. At the second apppointment cutomized impressions are taken utilizing a muscle moulding technique which helps define the peripheries and border outline. This double impression technique minimizes sore spots and the number of adjustments necessary after denture insertion. The best acrylic teeth available are used as porcelain denture teeth to transfer much of the stress to the underlying jaw bone and over time would cause accelerated bone loss making dentures even harder to wear. If you suffer from continuous movement and looseness of your dentures and difficulty in chewing various foods then continue reading as implant supported dentures may be the answer for you.

Implant-Supported Dentures

Dr. Ira Kirshen has been placing and restoring dental implants for over 30 years. He was a pioneer in dental implantology in it's infancy when it first emerged out of the University setting and came to the Toronto area in the early 80's. Implants are surgically placed and allowed to heal for 8 to 12 weeks in the lower jaw and 4 to 5 months in the upper jaw. The difference in length of healing times is due to the quality of the marrow spaces in the bone between the upper and lower jaws. Once healing is complete then attachments are placed in the implants and the reciprocal mate is placed in the denture. As you place your denture in your mouth there is a strong retentive force which holds the denture in place and does not allow it to move during function. Throw away your denture adhesives forever. The retentive clips in the denture can be changed every few years to keep the ideal pressure on the implants.

The minimum number of implants is 1 or 2 per side. From experience, placing a third implant in the lower jaw allows for greater stability of the denture and less micro-motion. In the upper jaw 4 implants are often recommended due to the aforementioned difference in quality of bone. Dentistry incorporates art and science but let us not forget engineering, as we must engineer the case strong enough to withstand the different forces. Each case is individualized depending on the amount of bone and size and shape of an individuals jaw. The alteranatives for implant supported dentures are fixed implant supported bridges. Read more about them in our implant section.