NJ Periodontology Specialty Permit #3925

100 Town Center Drive

Warren, New Jersey

Tel: (908) 222-3337

Fax: (908) 222-0032

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Dental Implants

The loss of a tooth is considered by many people (and most dentists) to be one of dentistry’s most stressful situations. Luckily, dental Implants are Orthopedic appliances that have been successfully rehabilitating missing teeth for are used restore areas where a natural tooth has been lost, or areas where an existing tooth will be lost. Dental Implants are made of medically pure titanium (or a titanium alloy), resemble a screw-like cylink, and are used to an artificial tooth root replacement and is used in prosthetic dentistry to support restorations that resemble a tooth or a group of teeth. Dental implants are made of pure titanium. Titanium is the same metal that has been used in hip replacements for years. Titanium implants are able to bond with bone. Titanium is also inert and is not known to cause any rejection.

Dental implants provide a number of benefits for people seeking alternatives and solutions to problems created by tooth loss. The benefits of dental implants are: Renewed ability to chew and speak properly, restoration of facial aesthetics, preservation of remaining teeth in the jaw bone structure, reduction of possible dental decay, conservation and replacement of missing teeth instead of a fixed bridge where teeth may be prepared/ cut unnecessarily on either side of the missing teeth.

Dental implants were discovered by a Swedish orthopedic surgeon, and his name was PI Branemark. Branemark was interested in studying bone healing and regeneration, and adopted the Cambridge designed “ rabbit ear chamber” for use in the rabbits femur. Following several months of study he attempted to retrieve this expensive chamber from the rabbits and found that he was unable to remove them. Branemark observed that the bone had grown in such proximity to the titanium that it effectively adhered to the metal. Branemark carried out many further studies into this phenomenon, using both animal and human subjects, which all confirmed this unique property of titanium. Although he had originally considered that the first work should center on knee and hip surgery, Brenamark finally decided that the mouth was more accessible for continued clinical observations and the high rate of edentulous population offered more subjects for widespread study. Over the next 14 years Branemark published several studies in dental implantology. In 1978 he entered a commercial partnership with a Swedish company that was called Bofors, and later became Nobel Industries.

Frequently people are interested in finding out how will the implant bond with the bone. Implants bond to the bone by a process known as osseointegration. When first placed in the bone, the implant is held by mechanical locking and frictional grip with the bone. Microscopic spaces remain between the implant surface and bone. Over a period of 2 to 6 months, bone gradually grows up against the implant surface until no space remains. The implant is then said to have integrated with bone.

Prior to the implant surgery careful planning is necessary to identify vital structures such as the inferior alveolar nerve or the sinus, and also to properly orientate the implants to obtain the most predictable outcome. A CT- Scan is obtained to help in the planning of the dental implant placement. The advantages of having a CT- Scan available in the office is that there is no need for the patient to be sent out to an imaging center, and also it expedites treatment planning, and provides greater access to information because since the CT- Scan is taken in the office Dr Chin can format it according to the necessities of the procedure that will be performed whereas at the imaging center they just choose a general format. Once everything is treatment planned and coordinated with the general dentist a surgery date is scheduled.

Implant procedures are performed as a sterile procedure, and generally with local anesthetic. However if the patient chooses to be asleep that is also an option, and in that case the appointment has to be coordinated with one of our board certified anesthesiologists. The surgery starts with the deliver of local anesthetic. Once the patient is comfortable an incision is made at the crest of the site where the implant will be placed. After the flap is prepared in order to place an osseointegrated implant it is necessary to prepare the path way for the implant, and that is done by using precision drills and in some cases osteotomes. However there are different approaches to place dental implants such as immediate post-extraction implant placement, Delayed immediate placement ( 2 weeks to 3 months after extraction), and also late implantation( 3 months or more after tooth extraction). When doing an immediate implant several factors have to be taken into consideration, thus sometimes immediate implant placement might not be possible.

Implant surgery might be done in one or two stages. When an implant is placed either a healing abutment, which comes thru mucosa is placed or a cover screw that is flush with the surface of the dental implant. When a cover screw is placed the mucosa covers the implant while it integrates then a second surgery is completed to place a healing abutment. Two stage surgeries are sometimes chosen when a concurrent bone graft is placed or surgery on the mucosa may be required for esthetic reasons.

Implants have a high success rate. However success rate depends on bone quantity and quality, and also if the patient has poor oral hygiene, smokes or has uncontrolled systemic conditions that might contribute to failure, but sometime an implant might fail for unknown reasons though it is not common. The successes rate varies from 90-95%.

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Copyright © 2012 Anthony T. Chin, D.D.S. All rights reserved.