A Case Study of Missing Lower Right Back Teeth

Introduction:

Losing back teeth can significantly affect a patient’s ability to chew properly and maintain the integrity of their bite. For patients with missing teeth, dental implants provide a reliable and long-term solution. In this case study, we discuss the restoration of the missing lower right back teeth (teeth #45 and #46) through dental implants. The patient, who also has a medical history of hypertension (BP) and diabetes, presented with missing teeth after extractions and was treated with dental implants for effective restoration.

Patient Profile:

  • Age: 79
  • Gender: Male
  • Medical History: Hypertension (high blood pressure), Diabetes
  • Chief Complaint: Missing lower right back teeth (teeth #45 and #46) for the past 2-3 months.
  • Previous Dental History: Extraction of teeth #45 and #46 approximately 3 months ago due to severe decay or damage.

Initial Presentation and Clinical Examination:

The patient presented with a complaint of missing lower right back teeth (teeth #45 and #46) for the past 2-3 months. The teeth were extracted due to advanced decay or damage. The patient expressed concerns about the impact of missing these teeth on chewing and aesthetics.

On clinical examination, the following findings were noted:

  • Missing Teeth: Teeth #45 and #46 were absent, with visible spaces in the lower right quadrant.
  • Adjacent Teeth: No significant mobility or damage was noted in the adjacent teeth.
  • Gum Health: The surrounding gum tissue appeared healthy, with no signs of infection or recession.
  • Occlusion: The patient’s bite was slightly altered due to the missing teeth, leading to some discomfort while chewing.

Given the patient’s medical history of hypertension and diabetes, it was essential to consider the impact of these conditions on the healing process, particularly for dental implant treatment.

Treatment Plan:

To restore the lost function and aesthetics, the treatment plan involved dental implants to replace the missing teeth. The steps of the treatment plan included:

  1. Implant Placement:
  2. Restoration of Implants:

Diagnostic and Pre-Operative Evaluation:

Before proceeding with the dental implant procedure, CBCT imaging was taken to assess the following:

  • Bone Quality: The density and volume of bone available at the implant site were evaluated to ensure that there was sufficient bone to support the implants.
  • 3D Bone Structure: A three-dimensional view of the bone allowed for precise planning of the implant placement.
  • Proximity to Nerves: The inferior alveolar nerve was closely examined to ensure safe implant placement and to avoid any potential nerve damage during the procedure.

The CBCT scan showed favourable bone quality and sufficient bone volume for implant placement, with adequate distance from the inferior alveolar nerve.

Surgical Procedure:

1. Preparation and Anesthesia:

  • The procedure was performed under local anaesthesia to ensure the patient was comfortable and pain-free during the implant placement.
  • The surgical site was carefully prepared, and any remaining bone debris from the extractions was cleared.

2. Sequential Drilling and Implant Placement:

  • Sequential drilling was carried out to prepare the implant sites for the dental implants.
  • Once the sites were adequately prepared, two dental implants were placed in the spaces of teeth #45 and #46. The implants were secured in place with optimal torque to ensure primary stability.
  • The surgical sites were closed with resorbable sutures to promote healing without the need for suture removal.

Post-Operative Care:

  • The patient was given detailed instructions for post-operative care, including pain management (e.g., analgesics) and antibiotics to prevent infection.
  • A soft-food diet was recommended for the first few weeks to avoid putting undue pressure on the implants.
  • Follow-up appointments were scheduled at 1 week, 1 month, and 3 months to monitor the healing process and ensure proper osseointegration of the implants.

Follow-Up and Final Restoration:

After 3 months, the patient returned for the placement of the final crowns. At this point, the implants had fully integrated into the bone (osseointegration), and the patient was ready for the final step of the restoration process.

1. Abutment Placement:

  • Custom abutments were placed on the implants to provide a stable base for the crowns.
  • The abutments were carefully adjusted to ensure they would provide the proper support for the final crowns.

2. Crown Fabrication and Placement:

  • Impressions were taken of the implant and abutment to fabricate custom crowns that would restore both function and aesthetics.
  • The crowns were designed to match the patient’s natural teeth, ensuring proper bite alignment and a seamless aesthetic result.

Once the crowns were ready, they were screwed onto the abutments. The fit, function, and occlusion were carefully checked, and any adjustments were made to ensure optimal comfort for the patient.

Outcome and Conclusion:

The patient was extremely satisfied with the results of the dental implant procedure. The implants provided a permanent solution to the missing teeth, restoring both function and aesthetics. The patient reported improved chewing ability, greater comfort, and confidence in their smile.

The successful outcome of this case underscores the effectiveness of dental implants as a restorative solution for patients who have lost teeth due to extraction or decay. Proper diagnostic imaging (like CBCT) and careful treatment planning, especially for patients with medical conditions like hypertension and diabetes, are critical for achieving the best possible results.

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