ทำรากฟันเทียม (Dental Implant) ชนิดของรากฟันเทียม เทคนิคการรักษา

Dental Implant Surgery

Dental implant surgery is a widely embraced therapeutic intervention for replacing missing teeth. These implants comprise titanium metal posts closely resembling the anatomical structure of natural tooth roots.

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What is Dental Implant Surgery?

Dental implant surgery has emerged as a prevalent solution for restoring missing teeth, featuring titanium metal posts designed to emulate natural tooth roots. The technological strides in dental implants have been substantial. Historically, the procedure was intricate and protracted, often spanning six months or more. However, with the progressive evolution of dental implant technology, treatment durations have markedly shortened.

Contemporary dental implants exhibit enhanced capabilities for rapid osseointegration, wherein the implants fuse securely with the bone. Various advanced techniques of implant insertion and dental crown placement contribute to expeditious and effective treatment outcomes. Notably, some individuals can now undergo the procedure and return home with newly restored teeth either on the same day or within a week.

In contemporary dentistry, dental implant surgery excels as a premier technique for denture replacement. The primary objective of dental implants is to address tooth loss resulting from conditions such as tooth decay, gum disease, or accidents with the integration of artificial counterparts. These prosthetic tooth roots, composed of biocompatible titanium, serve as the foundation for the restoration.

The meticulous dental craftsmanship extends to the design and color selection of the dental crown, ensuring its visual harmony with the natural teeth. Notably, dental implants exhibit impressive longevity, offering a sustained solution. Functionally, they replicate the biting and chewing capabilities inherent to natural teeth, thereby giving patients the liberty to consume a diverse range of foods without a heightened self-consciousness of how others may perceive them.

การรักษา เทคนิคการทำรากฟันเทียม-dental implant

Beyond masticatory benefits, dental implants also contribute to clear enunciations of words and sounds, thus imparting a comprehensive improvement in oral function and aesthetics.

Dental implants offer additional advantages, notably lessened ridge resorption and simplified oral hygiene practices. The diminished ridge resorption contributes to the maintenance of overall oral structure. Furthermore, the ease of cleaning associated with dental implants simplifies oral care, rendering it an uncomplicated routine for patients.

The natural appearance and texture of dental crown implants facilitate a confident and genuine smile. Their lifelike quality aligns seamlessly with natural teeth, bolstering aesthetics and self-assurance. Consequently, the popularity of dental implants is on the rise, and they are poised to supplant dental bridges in prevalence. This shift is attributable to dental implants not negatively impacting adjacent natural teeth, a stark contrast to dental bridges that require tampering with neighboring natural teeth.

Dental bridges, due to their role in augmenting teeth above the gum line, contribute to a phenomenon known as bone resorption over time. This process involves the gradual melting away of the bone that supports the tooth root of the extracted tooth. The bone resorptions are pronounced in the upper incisors, altering facial profile and imparting an aging appearance.

In contrast, dental implants offer a distinctive advantage by preserving the underlying bone that supports tooth roots. This pivotal feature effectively prevents bone resorption, presenting a significant benefit in maintaining facial structure and mitigating the visual effects of aging.

ชิ้นส่วนของอุปกรณ์การใส่รากฟันเทียม

Dental Implant Components  

  • The implant body or fixture, resembling a screw-like structure, is a titanium post surgically placed into the jawbone. This component represents a surrogate tooth root, firmly anchoring a prosthetic tooth to the jawbone.
  • The implant abutment role is the intermediary connection between the titanium post and the prosthetic component. Typically crafted from titanium or ceramic, it functions akin to the core of a natural tooth.
  • A prosthetic component refers to the artificial tooth affixed to the abutment through the use of a dental bonding agent or a screw. This prosthetic element can be either a removable dental bridge or an individual artificial tooth.                                 

Types of Dental Implants

Dental implants come in three primary types, each tailored to specific oral conditions and requirements:

  • Conventional Implants: Conventional dental implants have few limitations and are effective with careful planning. A common challenge arises when patients present with insufficient bone mass at the desired implant site, necessitating dental bone grafting before implantation. However, this approach may not be viable for all patients.
  • Immediate Implants: Immediate implants streamline the treatment process, reducing steps and duration. This approach also mitigates bone resorption and minimizes the risk of gum recession. Nonetheless, eligibility for immediate implants hinges on the availability of adequate dental bone for anchoring an artificial tooth root. Moreover, the tooth slated for extraction must be free of pathological conditions, with incisors and premolars typically considered suitable candidates.
  • Immediate Loaded Implants: This technique entails affixing a permanent or temporary dental prosthetic crown onto an artificial tooth root immediately after implantation. The advantages include a significantly abbreviated treatment timeline and an aesthetically pleasing outcome, as patients avoid the presence of an extracted tooth gap. However, immediately loaded implants do have limitations.
    The specific dental implant technique chosen is contingent upon an individual's oral condition. A dentist will conduct a thorough examination and assessment to formulate a tailored treatment plan appropriate to the needs of each patient.

Techniques of Dental Implants

The techniques of dental implants encompass several advanced procedures and methodologies:

  1. Computer-Aided Dental Implant Planning: Utilizing computer-aided planning ensures the utmost accuracy and efficacy in treatment. This sophisticated technique allows dentists to visualize the entire treatment process, from initiation to completion. Additionally, it provides a comprehensive view of adjacent organs, minimizing the risk of unintended damage.
  2. Immediate Post-Extraction Implant Placement: Immediate post-extraction implant placement aims to streamline the surgical process, reducing the number of procedural steps and potential associated injuries.
  3. Full-Mouth Implants (All On 4 Technique): The All On 4 technique involves the insertion of dental implants for secured anchoring of the full-mouth dentures. This innovative approach allows patients to use their dentures within a relatively short timeframe, typically around a week.
  4. Temporary Fixed Dentures: This method is well-suited for patients needing temporary teeth while awaiting the completion of osseointegration, ensuring a stable and functional dental solution during the interim period.
  5. Simultaneous Dental Bone Grafting and Implant Placement: Simultaneous dental bone grafting and implant placement is a versatile procedure that can be performed anywhere within the oral cavity. This integrated approach addresses both bone deficiencies and the installation of dental implants in a concurrent manner.

Who Needs Dental Implants?

Dental implants are particularly well-suited for individuals seeking a natural and confident smile, including those who desire improved confidence, enhanced chewing capability, replacement of weakened teeth unsuitable for anchoring artificial teeth, and those facing the challenges of manufacturing removable dentures.

This transformative procedure effectively addresses a spectrum of concerns, making it the premier method for replacing a few missing teeth. Furthermore, dental implants contribute significantly to enhancing the functionality of removable dentures. Overall, individuals seeking a solution that seamlessly integrates with their natural teeth, providing both aesthetic and functional benefits, find dental implants to be a highly effective and preferred option.

Who is Not Suitable for Dental Implants?

Dental implants are generally suitable for individuals with missing teeth, excluding those below 18, due to incomplete jawbone growth. Pregnant women should postpone dental implant surgery until after childbirth. However, specific health conditions may pose constraints:

  1. Individuals with uncontrolled diabetes may need to manage their condition before undergoing dental implant surgery.
  2. Patients with a history of cancer and prior radiotherapy to the face and jawbone may require additional considerations before proceeding with dental implants.
  3. Those with severe periodontitis, leukemia, or hyperthyroidism should undergo appropriate treatment before considering dental implants.
  4. Patients with compromised ability to maintain good oral hygiene, such as those taking immunosuppressants or with conditions like schizophrenia, severe arthritis, or neuromuscular disease, may need to address these concerns before dental implant surgery.
  5. Individuals taking medications like osteoporosis drugs or heavy smokers may face compromised success rates with dental implants, warranting careful consideration.

Patients must discuss their medical history and conditions with their healthcare providers and dentists to ensure that dental implants are a suitable and safe option for them. This collaborative approach helps tailor the treatment plan to the individual's health needs and circumstances.

Preparation Before Dental Implant Surgery

Dental implant surgery, while a transformative procedure, necessitates meticulous pre-operative assessment by specialized dentists to mitigate potential complications. Leveraging their in-depth knowledge of occlusion and prosthetic compatibility, these dental professionals carefully select appropriate implant root systems tailored to each patient's unique anatomy and needs. Patients should disclose preexisting medical conditions and current medications to ensure seamless integration and optimized outcomes. Moreover, meticulous oral hygiene before this journey is paramount for establishing a foundation for long-term success.

Procedural Steps of Dental Implant Surgery

  • Step 1 – Implant Placement: Commencing with the placement of dental implants, this initial step takes approximately 1 to 2 hours. Subsequently, a follow-up appointment, scheduled 5 to 7 days later, is undertaken to assess the healing progress of the surgical sites.
  • Step 2 – Denture Insertion and Prosthetic Crown Crafting: Following a minimum interval of two months from Step 1, the subsequent phase involves the insertion of dentures into the dental implants. This multi-faceted process, encompassing a period of 7 to 10 days, incorporates the requisite waiting period for crafting a prosthetic crown at a specialized laboratory. 

The deliberate spacing of these two steps is to allow ample time for the secure integration of dental implants with the bone, mitigating the risk of loosening or dislodgement. It is noteworthy that, for some patients, accelerated dental implant surgery, with implants ready within a week, may be possible. However, a consultation is imperative to ascertain the suitability of this expedited approach for the individual patient.

Note: In instances involving complex dental bone grafts, the preparatory phase may extend up to 3 to 6 months, particularly in cases of severe bone loss. Once the dental bone graft is successfully incorporated, Step 1 can proceed. Post-implantation, regular follow-up appointments every six months are advisable for the ongoing examination of dental implants.

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Benefits of Dental Implant Surgery

  • Confident smiles and enhanced personality.
  • Aesthetic and functionality of natural teeth.
  • Preserving the integrity of neighboring dental structures without the need to grind adjacent teeth.
  • Unrestricted Dietary Choice.
  • Improved biting and chewing ability, resulting in improved digestion.
  • Improved words and sound enunciations when compared to other types of dentures.
  • Augment the effectiveness of removable dentures, providing increased stability and comfort for the wearer.
  • Prevent the loss of surrounding teeth and dental bones.
  • Restore facial structure for a more perfect appearance.
  • Improve oral hygiene.
  • Durable and long-lasting.
  • Dental Implants Can Restore Teeth in Various Ways, Including: 
  • Restoring a single tooth
  • Restoring dental bridges on dental implants
  • Full-mouth fixed denture restoration
  • Acting as a base for full-mouth removable dentures

Lifespan and Maintenance of Dental Implants

The dental implants, constructed from durable titanium, boast a prolonged lifespan contingent upon meticulous oral hygiene practices. Unlike natural teeth, dental implants are impervious to decay; however, inadequate oral care may precipitate gingivitis. To ensure the enduring resilience of dental implants, patients must adhere to routine dental maintenance, incorporating essential practices such as regular brushing, flossing, and periodic oral checkups. By conscientiously upholding optimal oral health, patients can effectively preserve the durability and longevity of their dental implants.

Published: 22 Feb 2021

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