DGSHAPE CA-DK2 - User Manual

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Overview

Function Description
Key Components and Their Roles
Important Technical Specifications (Inferred)
Usage Features
Room-Temperature Polymerizing Resin Method
Heated Polymerizing Resin Method
Maintenance Features (Inferred)

The DGSHAPE CA-DK2 is a specialized kit designed for the creation of dentures, compatible with DWX-52D, DWX-52DC, and DWX-52DCi models. This kit facilitates the fabrication of both room-temperature polymerizing resin and heated polymerizing resin dentures, offering two distinct methods: the denture base cutting method and the complete denture (full denture) cutting method.

Function Description:

The primary function of the CA-DK2 kit is to enable the precise milling and polymerization of dental resins to produce custom dentures. It supports a workflow that integrates resin preparation, polymerization, milling, and the affixing of artificial teeth. The kit includes specialized components that guide the user through each stage of the denture fabrication process, ensuring accuracy and consistency.

Key Components and Their Roles:

CA-DK2-FX (15) and CA-DK2-TR (15): These are core components, likely molds or bases, into which the resin is poured and subsequently milled. The FX component appears to be the primary base for resin polymerization, while the TR component is used in conjunction with the FX for specific cutting methods, particularly for creating tooth molds. These components are available for separate purchase.
Dedicated Milling Burs: These burs (ZRB-150D, ZPB-100D, ZPB-50D, ZPB-30D) are essential for the milling process, designed to precisely cut the polymerized resin according to CAM data. These are also available for separate purchase.
Silicone Stands (2): Used during the heated polymerization process to position the CA-DK2-FX within the pressure pot, ensuring proper water level immersion.
Adapter (1) and Torque Screwdriver (1): The adapter is crucial for securing the CA-DK2-FX or CA-DK2-TR to the milling machine. The torque screwdriver is used to tighten the adapter's cap screws, ensuring a secure and even fit, which is critical for precise milling.

Important Technical Specifications (Inferred):

While explicit technical specifications like dimensions or material properties are not provided, the manual implies certain operational parameters:

Polymerization Temperature and Time: For room-temperature polymerizing resin, the manual specifies setting pressure, temperature, and time on a pressure pot according to the resin's requirements. For heated polymerizing resin, a more detailed process is outlined:
- Water temperature for initial heating: 20°C to 30°C (68°F to 86°F).
- Pressure application: Approximately 60 minutes.
- Pre-polymerization: Gradually increase water temperature to 65°C (149°F), then perform pressurized and heated polymerization at 65°C (149°F) for 90 to 120 minutes.
- Final polymerization: Pressurized and heated polymerization at 80°C (176°F) for 40 minutes.
Adhesive Application: Approximately 0.5 ml of acrylic adhesive is recommended for affixing components, applied in 5 mm diameter drops.
Milling Data: The process relies on CAM (Computer-Aided Manufacturing) data for precise milling of the denture resin and tooth molds.

Usage Features:

The CA-DK2 kit offers a structured workflow for denture fabrication, adaptable to different resin types and denture designs.

Room-Temperature Polymerizing Resin Method:

Denture Base Cutting Method:
1. Resin Creation: Mix resin powder and liquid, extract air bubbles using a vibrator, pour into CA-DK2-FX, and allow to dry.
2. Polymerization: Place FX in a pressure pot with water, set pressure, temperature, and time, then cool.
3. Milling: Remove adapter cap, attach adapter base to FX, attach adapter cap, tighten screws diagonally, and mill the denture resin with the FX using CAM data.
4. Affixing Teeth: Remove adapter, and use acrylic resin to affix artificial teeth.
Complete Denture (Full Denture) Cutting Method:
1. Component Affixing: Apply acrylic resin adhesive to CA-DK2-FX, then attach CA-DK2-TR by aligning recessed parts with protrusions.
2. Tooth Mold Cutting: Remove adapter cap, attach adapter base to FX, attach adapter cap, tighten screws diagonally, and mill the tooth mold into the TR using CAM data.
3. Artificial Teeth Arrangement: Apply acrylic resin adhesive to TR's tooth mold, check tooth mold shape and orientation, push artificial teeth onto the mold, and verify secure attachment without gaps.
4. Resin Creation: Mix resin powder and liquid, extract air bubbles, pour into FX (with artificial teeth set), allow to dry.
5. Polymerization: Place FX in a pressure pot with water, set pressure, temperature, and time, then cool.
6. Milling: Attach adapter base to FX, attach adapter cap, tighten screws diagonally, and mill the complete denture with the FX using CAM data.
7. Final Removal: Loosen cap screws, remove adapter cap and adapter from FX.

Heated Polymerizing Resin Method:

Denture Base Cutting Method:
1. Hole Drilling: Remove adapter cap, attach adapter base to FX, attach adapter cap, tighten screws diagonally, and drill a hole in the FX using the machine and CAM data.
2. Resin Creation: Insert measured liquid into a lidded container, add 80% of powder below liquid surface, add remaining 20% to cover liquid, close lid and mix. Wait 2-3 minutes for a porridge-like consistency.
3. Resin Application: Fix FX onto the silicone stand's protrusion (applying vegetable oil can aid removal), pour mixture into FX, flatten with a spatula.
4. Liquid Layer Absorption: Cover mixture with tissue paper, place polyethylene sheet, lightly press to absorb liquid layer (important to prevent air bubbles).
5. Polymerization: Remove polyethylene sheet and tissue paper, place silicone stand and FX in pressure pot. Check water level and temperature (20-30°C). Apply pressure for ~60 minutes. Perform pre-polymerization at 65°C for 90-120 minutes, then final polymerization at 80°C for 40 minutes.
6. Cooling: Remove FX from silicone stand, leave at room temperature for ~30 minutes, then cool with cold water for ~15 minutes.
7. Milling: Remove adapter cap, attach adapter base to FX, attach adapter cap, tighten screws diagonally, and mill the denture resin with the FX using CAM data.
8. Affixing Teeth: Remove adapter, and use acrylic resin to affix artificial teeth.
Complete Denture (Full Denture) Cutting Method:
1. Component Affixing: Apply acrylic resin adhesive to CA-DK2-FX, then attach CA-DK2-TR.
2. Hole Drilling and Tooth Mold Milling: Remove adapter cap, attach adapter base to FX, attach adapter cap, tighten screws diagonally, drill holes in FX, and mill tooth molds into TR using CAM data.
3. Artificial Teeth Arrangement: Apply acrylic resin adhesive to TR's tooth mold, check tooth mold shape and orientation, push artificial teeth onto the mold, and verify secure attachment without gaps.
4. Resin Creation: Similar to the denture base cutting method for heated resin.
5. Resin Application: Similar to the denture base cutting method for heated resin.
6. Liquid Layer Absorption: Similar to the denture base cutting method for heated resin.
7. Polymerization: Similar to the denture base cutting method for heated resin.
8. Cooling: Similar to the denture base cutting method for heated resin.
9. Milling: Tighten cap screws while pressing FX, mill the complete denture with the FX using CAM data.
10. Final Removal: Loosen cap screws, remove adapter cap and adapter from FX.

Maintenance Features (Inferred):

The manual does not explicitly detail maintenance procedures for the CA-DK2 kit components themselves. However, it emphasizes careful handling and proper assembly to ensure longevity and accuracy. The mention of cleaning the resin surface to prevent air bubbles suggests that maintaining cleanliness of the components is important for optimal results. The torque screwdriver ensures consistent tightening, which contributes to the durability of the adapter and prevents damage from overtightening. The recommendation to apply vegetable oil to the silicone stand's protrusion to ease resin removal also hints at practices that facilitate cleaning and prevent material buildup.