40 Questions
What is the primary advantage of converting a patient's original denture into an implant overdenture?
Reduced cost
What is the typical number of implants required for an implant-supported overdenture in the maxilla?
Six to eight implants
Which of the following is a contraindication for traditional overdentures?
All of the above
What is the primary function of a suprastructure or bar in an implant-supported overdenture?
To connect the implants rigidly
What is the main benefit of implant-supported overdentures in the edentulous mandible?
Enhanced masticatory forces
Which of the following is a suitable indication for an implant-supported overdenture?
Patients with superficial placement of the mental foramen
What is the primary role of the implants in an implant-supported overdenture?
To provide a stable foundation for the overdenture
What is the recommended reading material for students to learn more about implant-supported overdentures?
Both A and B
What is one advantage of implant overdentures over fixed prosthesis?
Fewer implants are required
What is a disadvantage of overdentures in the maxillary region?
Bone loss in the posterior region
What type of overdenture combines implant and soft tissue support?
Implant Retained Overdentures
What is the recommended treatment option for edentulous mandible?
Implant Retained Overdentures
What is an advantage of implant overdentures related to esthetics?
Teeth can be positioned to enhance esthetics
What is a characteristic of implant overdentures that allows for better chewing efficiency?
Reduction of the prosthesis flanges
Why are implant retained overdentures a cost-effective option?
Fewer implants are required
What type of attachment is used in implant retained overdentures?
O ring attachments
What is a major advantage of fixed cement retained implant prosthesis compared to overdentures?
Less food entrapment
What is a common complication associated with fixed screw retained implant prosthesis?
Impaired speech
What is the primary indication for fixed screw retained implant prosthesis in patients with edentulous mandible?
Moderate to advanced bone resorption
What is a key benefit of removable prosthesis (overdentures) in medically debilitated patients?
Less surgical intervention
What is the primary purpose of the acrylic flange in fixed screw retained implant prosthesis?
To solve the problem of facial esthetics
What is a common indication for removable prosthesis (overdentures) in patients with edentulous mandible?
Geriatric treatment modality
What is the minimum number of implants required for fixed screw retained implant prosthesis in the mandible?
Four to five implants
What is a common complication associated with removable prosthesis (overdentures)?
Compromised hygiene
What is the main advantage of screw-retained prosthesis compared to cement-retained prosthesis?
Easier retrievability
What is the direction of resorption in the maxilla?
Upward and inward
What is the ideal quality of soft tissues surrounding the implants?
Keratinized mucosa and firmly attached to the periosteum
What is the primary reason for using a removable appliance in terms of lip support?
The flange aids in providing lip support
What is the main benefit of diagnostic wax up?
Predicting the size, shape, and position of artificial teeth
What is the recommended Crown Height Space (C.H.S) for posterior teeth?
8-10mm
Why are removable appliances preferred in terms of oral hygiene?
They offer easier oral hygiene protocol
What is the main limitation in the number of implants used?
Both financial and anatomical limitations
What is the primary requirement for a fixed full arch restoration?
A minimum of 6-8 widely distributed implants
What is the primary reason for using screw-retained prostheses?
All of the above
What is the primary drawback of using cement-retained prostheses?
All of the above
What is the minimum distance required for the interarch space to allow for a PFM restoration?
Less than 15mm
What is the primary advantage of using implant-supported overdentures?
Increased retention and stability
What is the primary requirement for implant placement in the edentulous mandible?
At least 6-8 widely distributed implants
What is the primary function of the suprastructure or bar in an implant-supported overdenture?
To distribute the load evenly
What is the primary indication for an implant-supported overdenture?
To increase retention and stability
This quiz covers the advantages and features of implant supported overdentures, including their reduced cost and independence from soft tissue support.
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