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Emergence of pterygoid implants

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Pterygoid implant insertion is an alternative to avoid sinus-lifting or other grafting procedures to treat the posterior maxilla.They are especially used in partial edentulism in order to avoid distal cantilevers.

The placement of a pterygoid implant requires surgical experience and expertise in the field of implantology.

Pterygoid implants have high success rates, to those of conventional implants, minimal complications and a good patient acceptance.

Dr Sachdeva's Facial Aesthetic and implant institute is one of the leading clinics in Delhi performing Pterygoid Implants in patients with bone resorption. So hurry up and book an appointment with us at Ashok Vihar, Delhi which has state of the art clinic and all the latest and advanced equipments.

To book an appointment contact:
Dr. Rajat Sachdeva

Director & Mentor

Dr Sachdeva’s Dental Aesthetic And Implant Institute

I 101, Ashok Vihar Phase 1, Delhi- 110052

Contact us at

Phone : +919818894041,01142464041

Our Websites:
www.sachdevadentalcare.com
www.dentalimplantindia.co.in
www.dentalclinicindelhi.com
www.dentalcoursesdelhi.com

Facebook- dentalcoursesdelhi
Youtube- drrajatsachdeva
Linkedin- drrajatsachdeva
Slideshare- Dr Rajat Sachdeva
Twitter Page- drrajatsachdeva
Instagram page- surgicalmasterrajat



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Emergence of pterygoid implants

  1. 1. EMERGENCE OF PTERYGOID IMPLANTS
  2. 2. NECESSITY OF PTERYGOID IMPLANTS? Today, any dentist with proper education and training routinely places conventional dental implants in patients with sufficient bone conditions. They may also perform minor bone augmentation or sinus augmentation procedures, but they tend not to treat patients with severe bone loss.
  3. 3. These patients, unfortunately, need to rely on removable dentures or undergo massive augmentation procedures before conventional implants can be place. Pterygoid implants present an alternative option to use residual bone for implant anchorage and to overcome the need for augmentation procedures.
  4. 4. FAILURE OF CONVENTIONAL IMPLANTS LEADING TO THE EVOLUTION OF PTERYGOID IMPLANTS
  5. 5. •Tear of sinus membrane during sinus lift procedures, •Seepage of bone grafts into the sinus. •Loss of bone grafts due to resorption during bone augmentation procedure. •High morbidity seen in zygomatic implants. •Screw loosening or breakage in tilted implants.
  6. 6. WHAT IS THE DIFFERENCE BETWEEN PTERYGOID AND TUBEROSITY IMPLANTS? There is a significant difference between pterygoid and tuberosity implants. Pterygoid implants are engaged in the dense cortical part of the pterygoid bone and the palatal bone, while tuberosity implants are directed and engaged in cancellous maxillary bone of poor quality.
  7. 7. Though the maxillary tuberosity is known to have the lowest bone density in the oral cavity, it rests against a denser mass of cortical bone formed by the pyramidal process of palatine bone and the pterygoid process of the sphenoid bone. In 1989 Tulasne identified this anatomic advantage and first described the use of dental implants in the pterygomaxillary region.
  8. 8. Going by definition, all ‘pterygoid implants’ encompass the tuberosity region, but all ‘tuberosity implants’ do not necessarily engage the pterygoid process.
  9. 9. WHAT ARE THE ADVANTAGES OF USING PTERYGOID IMPLANTS?  Placement of dental implants in the pterygoid region provides posterior bone support for the prosthesis, without sinus floor augmentation, and can achieve better distribution of masticatory forces in comparison to conventional maxillary implants.  This benefit allows rehabilitating patients with satisfactory full arch fixed maxillary prosthesis, which usually spanned from second molar to second molar.
  10. 10. FACTS ABOUT PTERYGOID IMPLANTS The pterygoid implant is anaxial implant placed through the maxillary tuberosity with fixation apically in the pterygoid process of the sphenoid bone and the pyramidal process of the palatine bone. Pterygoid implants were first proposed by Linkow in 1975 and the method was first described by JF Tulasne in 1992.
  11. 11. Pterygoid implant passes through the maxillary tuberosity and the pyramidal process of palatine bone to engage the pterygoid process of the sphenoid bone, its length ranges from 16 to 20 mm, they have a pointed, self- tapping apex to ensure strong anchorage when inserted.
  12. 12. TECHNIQUE OF PLACEMENT OF PTERYGOID IMPLANTS
  13. 13. The incision design is such that the entire tuberosity, including its posterior aspect, is uncovered for visualization and instrumentation
  14. 14. The drill entry point is often marked 3-4 mm in front of the posterior region of the tuberosity. The drill axis runs towards the palate at about 20- 30° in the horizontal plane and about 45° from the maxillary plane. Drilling with a pilot drill continues up to the pterygopalatine-tuberosity suture, which is the anchorage region for a pterygoid implant.
  15. 15. Three different types of drills are used for insertion. All preparation is done in an underprepared mode, at a working speed of 600 rpm or manually. The implant is then inserted manually using a bone condensation technique, due to its self-tapping and compressive characteristics
  16. 16. The implant is anchored in the pterygoid plate of the sphenoid bone, through the maxillary and palatine bones and with distal angulation between 35° and 55°.
  17. 17. COMPLICATIONS
  18. 18. Insertion of implants at the level of the pterygoid plate can be potentially associated with bleedings (from the pterygoid plexus or the a. maxillaris). Nevertheless this can be avoided by inserting the implant just at the level of the tuberosity. Another complication is lack of primary implant stability [Candel 2012] which can be solved through underpreparation drilling protocols and innovative implant designs (NobelActive).
  19. 19. CONCLUSION
  20. 20. Pterygoid implants have a high success rate, minor and infrequent complications and similar bone loss in comparison to conventional implants. Pterygoid implants are considered as a good alternative for extensive augmentation procedure in patients with atrophic maxilla.
  21. 21. CONNECT WITH US AT @surgicalmasterrajat @dentalcoursesdelhi drrajatsachdeva drrajatsachdeva drrajatsachdeva
  22. 22. To book an appmt. contact : Dr.Rajat Sachdeva Dr Sachdeva’s Dental Aesthetic & Implant Institute I 101, Ashok Vihar Phase 1, Delhi- 110052
  23. 23. THANK YOU
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Pterygoid implant insertion is an alternative to avoid sinus-lifting or other grafting procedures to treat the posterior maxilla.They are especially used in partial edentulism in order to avoid distal cantilevers. The placement of a pterygoid implant requires surgical experience and expertise in the field of implantology. Pterygoid implants have high success rates, to those of conventional implants, minimal complications and a good patient acceptance. Dr Sachdeva's Facial Aesthetic and implant institute is one of the leading clinics in Delhi performing Pterygoid Implants in patients with bone resorption. So hurry up and book an appointment with us at Ashok Vihar, Delhi which has state of the art clinic and all the latest and advanced equipments. To book an appointment contact: Dr. Rajat Sachdeva Director & Mentor Dr Sachdeva’s Dental Aesthetic And Implant Institute I 101, Ashok Vihar Phase 1, Delhi- 110052 Contact us at Phone : +919818894041,01142464041 Our Websites: www.sachdevadentalcare.com www.dentalimplantindia.co.in www.dentalclinicindelhi.com www.dentalcoursesdelhi.com Facebook- dentalcoursesdelhi Youtube- drrajatsachdeva Linkedin- drrajatsachdeva Slideshare- Dr Rajat Sachdeva Twitter Page- drrajatsachdeva Instagram page- surgicalmasterrajat

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