ترقيع عظام الأسنان (Bone Grafting)

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Bone Grafting

 

(Procedures and Tests) 

This guide will help you understand dental bone grafting and how to prepare for it. 

 

What is Dental Bone Grafting? 

Dental bone grafting is a surgical procedure used to increase the density and volume of the jawbone in areas where bone has been lost or weakened. It involves adding a bone grafting material, which may be taken from the patient’s own body or from an external source, such as a donor or a synthetic material. The graft acts as a scaffold to support the growth of new bone, gradually being replaced by natural bone, resulting in a strong and fully integrated bone structure. 

 

What Are the Types of Dental Bone Grafts? 

  • Based on the Source of Material: 
  • Autograft: Bone taken from the patient’s own body. 
  • Allograft: Bone from a licensed human donor. 
  • Xenograft: Bone derived from animals (e.g., cows or pigs). 

 

Alloplast: Synthetic materials such as calcium phosphate or bioactive glass. 

  • Based on Technique: 
  • Guided Bone Regeneration (GBR): Special membranes are used to direct bone growth. 
  • Block Graft: Solid bone blocks are used to rebuild missing areas. 
  • Ridge Expansion: Tools are used to widen the bone for dental implant preparation. 

 

Distraction Osteogenesis: Gradually separating the bone to allow new growth. 

  • Based on Size: 
  • Minor Bone Graft: Performed under local anesthesia, using bone from a nearby site (e.g., jaw); suitable for small defects. 

 

Major Bone Graft: Requires larger amounts of bone from other areas (e.g., hip), performed under general anesthesia, with a short hospital stay. 

  • When Is Dental Bone Grafting Needed? 
  • After tooth extraction to fill the socket and prepare for future implants. 
  • To compensate for bone loss caused by missing teeth. 
  • Before dental implants to ensure adequate bone support. 
  • Sinus lift procedures, especially after losing upper back teeth. 
  • Rebuilding the jaw before fitting dentures. 
  • Repairing bone damage from trauma or injury. 
  • Treating bone loss from gum disease. 

 

Stabilizing loose teeth by reinforcing surrounding bone. 

 

Health Guidelines for Bone Grafting: 

  • Before the Procedure: 
  • Inform your dentist of any medical conditions or medications. 
  • Stop smoking, as it impairs healing. 

You may be prescribed antibiotics to reduce infection risk. 

  • After the Procedure: 
  • Apply ice packs to reduce swelling. 
  • Eat soft foods to avoid pressure on the surgical site. 
  • Keep your head elevated when sleeping to minimize swelling. 
  • Follow wound care and medication instructions. 
  • Brush gently to avoid irritating the area. 
  • Do not disturb the surgical site. 
  • Avoid smoking to support healing. 
  • Avoid spitting or vigorous rinsing. 
  • Refrain from heavy lifting or exercise for 48 hours. 

 

If you wear dentures, you may be advised to avoid them for up to two weeks. 

Benefits of Dental Bone Grafting: 

  • Restores or repairs lost or damaged bones. 
  • Enables normal eating, speaking, and improves facial aesthetics. 
  • Provides a stable base for dental implants. 
  • Enhances implant stability by improving bone integration. 
  • Reinforces natural teeth by strengthening the bone around them. 
  • Restores natural facial contour, preventing a sunken appearance. 
  • Supports chewing and reduces implant failure risk. 
  • Halts bone loss due to missing teeth or gum disease. 
  • Makes implant procedures possible for previously ineligible patients. 

 

Risks of Dental Bone Grafting: 

Common Postoperative Effects: 

 

Pain, usually manageable with painkillers. 

  • Swelling and bruising lasting a few days to a week. 
  • Mild bleeding, sometimes from the nose if near sinuses. 
  • Risks Related to Graft Failure: 

 

Graft may not integrate with the natural bone. 

  • Insufficient new bone growth for implant support. 
  • Higher risk of failure in smokers. 
  • Rare but Serious Complications: 

 

Oral-antral fistula: An abnormal connection between the sinus and mouth. 

  • Severe infection: May require graft removal. 
  • Donor site pain: If taken from hip or other areas, temporary pain and mobility issues may occur. 

 

Infection: Can occurdespite antibiotics. 

Nerve damage: Rarely causes long-term numbness or tinglingin the jaw, cheek, chin, lips, or tongue. 

Frequently AskedQuestion: 

 

How long does it take to recover from a dental bone graft?

 

Recovery time depends on the size of the graft. Initial healing takes about one week. Full bone healing takes at least three months, but for larger grafts, it may take 9 to 12 months. 

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