Design and manufacture prostheses using precision attachments

"This standard focuses on the design and manufacture, using manual or digital techniques, of prostheses using precision attachments; dental devices which are custom-made to fit the individual's unique mouth shape and which replace one or more missing teeth and incorporate the use of a precision connector of two or more parts. One part of the attachment is connected to a root, tooth or an implant, the other part to an artificial prosthesis; this provides mechanical retention.  Precision attachments can be used in place of clasp arms: to retain partial dentures with extra or intra-coronal attachments. In complete dentures they can be used on roots or implants carrying studs or bars. 
A partial or complete prosthesis using precision attachments should restore a natural dental appearance in colour, shape and size; fit and occlude in the individual's mouth comfortably, be retained firmly in place in the individual's mouth and should not attract a build-up of food debris. In order to manufacture a prosthesis which meets aesthetic, fit, occlusal and functional requirements, the technician needs to have an accurate cast or a digital representation, an accurate record of the relationship between the individual's upper and lower jaw and a record of the individual's tooth shade.
The term 'client' is used to mean the member of the oral health care team who has prescribed the custom-made prosthesis. Clients may be external to the organisation (such as general dental practitioners) or internal (within a dental hospital). The individual is the one for whom the custom-made prosthesis is being made.
Users of this standard will need to ensure that practice reflects up to date information and policies."

"1. access and accurately interpret all relevant work instructions and information
2. work safely at all times and in accordance with all relevant legislation, guidelines, policies, procedures and protocols
3. deal promptly and effectively with any problems within your control and report those which cannot be solved
4. communicate with relevant others at a pace, manner and level appropriate to their understanding, preferences and needs
5. identify and minimise hazards and risk in the workplace
6. collate all specification information required for the design and manufacture of the prostheses using precision attachments
7. confirm accuracy of the specification with relevant others
8. select the necessary components, materials and equipment and confirm that they are fit for purpose
9. set up the manufacturing equipment in accordance with the specification
10. manufacture the prostheses using precision attachments using appropriate methods and techniques 
11. monitor the manufacturing process and adjust as required
12. devest or retrieve the manufactured product using an appropriate method which releases the item without causing damage
13. check that the manufactured product matches the specification and make any necessary adjustments
14. dispatch in accordance with organisational requirements
15. dispose of waste in accordance with organisational procedures
16. complete and store all relevant documentation in accordance with organisational requirements"

"1. the current legislation, guidelines, policies, procedures and protocols which are relevant to your work practice and to which you must adhere
2. the scope and limitations of your own competence, responsibilities and accountability as it applies to your job role
3. how to access and interpret all relevant work instructions and information
4. specific procedures for reporting issues which are beyond your competence, responsibilities and accountability
5. the duty to report any acts or omissions that could be unsafe/detrimental to you or others
6. how to communicate with relevant others at a pace, manner and level appropriate to their understanding, preferences and needs
7. the hazards and risks which may arise during the execution of your work role and how you can minimise these
8. the correct use of any equipment and PPE to protect the health and safety of you and others
9. the principles and use of digital design and manufacturing
10. relevant digital manufacturing equipment, methods and techniques
11. the skeletal anatomy, physiology of the head and neck and tooth morphology
12. the structure, function, and movement of the oro-facial musculature including the tongue and temporomandibular joint
13. disorders and diseases affecting the oral cavity
14. the aetiology and classifications of malocclusions
15. the physiological and pathological changes associated with the ageing process and trauma related to the oral environment
16. the effect of tooth loss on the supportive dental tissue, the processes and effect of ridge resorption
17. the importance of retention of the periodontal ligament and the changes in proprioception due to loss of periodontal ligament
18. the broader factors (sociological, behavioural, environmental and economic) that contribute to oral health and illness
19. articulation
20. aesthetics and phonetics
21. the principles of prostheses design
22. the classification and sub-classification of materials on the basis of chemical composition and internal structure
23. the mechanical, physical, thermal, chemical and biological properties of materials
24. cast and mould forming
25. waxes
26. dental alloys
27. principles of precision attachment work
28. methods of constructing dental bridges and crowns using precision attachments
29. techniques of joining components used in dental work
30. dental refractory materials
31. the relationship between chemical bonds and the properties of solid materials
32. impression, duplicating and cleaning materials
33. casting patterns
34. methods of sprueing various metals and systems
35. methods of surface finishing
36. methods of developing, maintaining and improving communication and information relating to the provision of custom-made dental devices
37. methods of protection against contamination and infection control when handling received impressions and other items which may have been in the mouth, or which are intended to be placed in the mouth; why it is important to do so
38. principles of quality assurance including effective recording and sampling; processes and procedures for quality assurance in your workplace
39. the range of factors for consideration during manufacture
40. methods of setting and calibrating equipment and of testing that this is correct
41. the effects of modifying manufacturers' products to meet laboratory requirements on the physical properties of products and on quality assured products, and the legal implications of poor manufacturing
42. the range of factors to consider during manufacturethe range of equipment used in the design and manufacture of dental devices; methods of using equipment and materials safely including the use of chemicals and other hazardous substances; methods of storing different equipment and materials safely and securely; methods of cleaning and maintaining different types of equipment and your role in this
43. how to dispose of waste in accordance with organisational procedures
44. how to complete and safely store all relevant documentation in accordance with organisational requirements"