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Intra-Oral Prosthetics      Taylor Harris             &    Brittany Janowski
What are intra-oral prosthetics?• Artificial substitutes for missing,  altered, or deformed oral structures• Placed in voc...
Population• Head & Neck Cancer• Cleft palate• Progressive neurologic  diseases• Traumatic injuries
Multidisciplinary Team•   Maxillofacial prosthodontist *•   Speech-Language Pathologist•   Oral & Maxillofacial Surgeons• ...
Role & Responsibilities of the SLP  • Determine specific needs  • Actively participate in design of    appliance  • Assess...
Types
Palatal Lift• Designed to augment or replace  hard and soft palate tissue defects• Aids in restoration of soft palate  fun...
Palatal Obturator• Closes or occludes opening  caused by cleft or fistula• Used to facilitate separation of  oral & nasal ...
The Latham Device
Nasoalveolar Obturator
Obturator Categories• Modification ObturatorShort term• Interim Obturator  Post surgery• Definitive Obturator Long term
Speech Bulb• Occludes nasopharynx when the velum is  short (velopharygealindufficiency)• Aids in velopharyngeal closure• C...
Tongue Prosthetic• Sometimes used following total  glossectomy• Steel clasps attach to lower teeth• Facilitates speech & s...
Tongue for Speech
Limitations of Prosthetic Devices• Require insertion and removal• Have to redo periodically due to  growth• Can be lost or...
Assessment• Prosthetic assessment is provided to:   • evaluate, select, and/or dispense a     prosthetic device to improve...
Who Can Assess• Prosthetic assessments are conducted by  appropriately credentialed and trained  SLPs• SLPs perform assess...
Why Assess?To identify:• underlying strengths and weaknesses  related to the use of prosthetic as it affects  communicatio...
What Process Includes• Review of status• Case history info• Standardized and/or  nonstandardized methods• Follow-up servic...
Setting of Assessment• Clinical, educational or other natural  environment setting conducive to eliciting  a representativ...
Documentation of Assessment• Results, interpretation, prognosis, and  recommendations.• Provide a rationale for the prefer...
Prosthetic Intervention    Intervention services are          conducted to assist  individuals to understand,use, adjust, ...
Who Provides InterventionServices?• conducted by appropriately credentialed  and trained SLPs, possibly supported by  SLP ...
Expected Outcomes of Treatment• Strengths & weaknesses related to  communication /swallowing• Acquire new skills and strat...
Goal(s) Associated WithProsthetics•   Painless, efficient swallowing of secretions•   Unrestricted head movement•   Elimin...
Clinical ProcessDepending on assessment results,  intervention addresses the following:• Provide info, course of intervent...
Setting of Treatment• clinical or educational settings• other natural environments that are  selected on the basis of inte...
sEMG• As muscles contract, microvolt level  electrical signals are created within the  muscle that may be measured from th...
One Researcher‟s Results• „Eighty-seven percent  (39/45) of all patients  increased their functional  oral intake of food/...
Cultural/Ethical Considerations          It is important to be         culturally sensitive in              assessment and...
Things to Consider aboutDiversity• Foods to use in dysphagia  assessment and treatment• Who is it appropriate to talk with...
Counseling• Counseling is important for  individuals pre and post surgery• Being a part of society and  communicating with...
References•   American Speech-Language-Hearing Association. (2001). Roles of Speech-Language Pathologists in              ...
Intraoral Prosthetics
Intraoral Prosthetics
Intraoral Prosthetics
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Intraoral Prosthetics

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Intraoral Prosthetics

  1. 1. Intra-Oral Prosthetics Taylor Harris & Brittany Janowski
  2. 2. What are intra-oral prosthetics?• Artificial substitutes for missing, altered, or deformed oral structures• Placed in vocal tract• Primarily used to improve speech & swallowing
  3. 3. Population• Head & Neck Cancer• Cleft palate• Progressive neurologic diseases• Traumatic injuries
  4. 4. Multidisciplinary Team• Maxillofacial prosthodontist *• Speech-Language Pathologist• Oral & Maxillofacial Surgeons• Plastic Surgeons• Head & Neck Surgeons• ENT doctors• Occupational therapist• Physiotherapists• Oncologists• Physical Therapists
  5. 5. Role & Responsibilities of the SLP • Determine specific needs • Actively participate in design of appliance • Assess effectiveness • Provide direction for modifications • i.e. size, shape • Provide follow-up treatment & monitor • Swallowing, speech, voice, resonance • Teach patient about care & cleaning
  6. 6. Types
  7. 7. Palatal Lift• Designed to augment or replace hard and soft palate tissue defects• Aids in restoration of soft palate functions• Improves velopharyngeal closure• Commonly used for dysarthria; velopharyngeal incompetence
  8. 8. Palatal Obturator• Closes or occludes opening caused by cleft or fistula• Used to facilitate separation of oral & nasal cavities for speech, feeding, & swallowing • hypernasality • suckling ability in babies• Not to be confused with palatal lift
  9. 9. The Latham Device
  10. 10. Nasoalveolar Obturator
  11. 11. Obturator Categories• Modification ObturatorShort term• Interim Obturator  Post surgery• Definitive Obturator Long term
  12. 12. Speech Bulb• Occludes nasopharynx when the velum is short (velopharygealindufficiency)• Aids in velopharyngeal closure• Contains pharyngeal section, goes behind soft palate• Can be combined with an obturator
  13. 13. Tongue Prosthetic• Sometimes used following total glossectomy• Steel clasps attach to lower teeth• Facilitates speech & swallowing
  14. 14. Tongue for Speech
  15. 15. Limitations of Prosthetic Devices• Require insertion and removal• Have to redo periodically due to growth• Can be lost or damaged• May be very uncomfortable• Compliance is often poor• Don‟t permanently correct the problem• Many centers use only if surgery is not possible
  16. 16. Assessment• Prosthetic assessment is provided to: • evaluate, select, and/or dispense a prosthetic device to improve functional communication • including associated activities and participation
  17. 17. Who Can Assess• Prosthetic assessments are conducted by appropriately credentialed and trained SLPs• SLPs perform assessments as members of collaborative teams that include • Individual • family/caregivers • Educators • medical personnel
  18. 18. Why Assess?To identify:• underlying strengths and weaknesses related to the use of prosthetic as it affects communication and swallowing• effects of prosthetic on activities such as capacity and performance in everyday communication and participation• factors that serve as barriers or facilitators for successful communication/swallowing
  19. 19. What Process Includes• Review of status• Case history info• Standardized and/or nonstandardized methods• Follow-up services• Cost considerations & safety and health implications• Dispensing practices
  20. 20. Setting of Assessment• Clinical, educational or other natural environment setting conducive to eliciting a representative sample of the clients communication using a prosthetic device.• Identifying the influence of related factors on functioning (activity and participation) requires assessment data from multiple settings.
  21. 21. Documentation of Assessment• Results, interpretation, prognosis, and recommendations.• Provide a rationale for the preferred prosthetic; a description of device; procedures involved in the assessment of the device; counseling provided to the patient; and the patient„s response.
  22. 22. Prosthetic Intervention Intervention services are conducted to assist individuals to understand,use, adjust, and restore their customized prosthetic device.
  23. 23. Who Provides InterventionServices?• conducted by appropriately credentialed and trained SLPs, possibly supported by SLP assistants under appropriate supervision.• SLPs as members of interdisciplinary teams
  24. 24. Expected Outcomes of Treatment• Strengths & weaknesses related to communication /swallowing• Acquire new skills and strategies using the device• Aid for successful communication/swallowing• Provide appropriate accommodations and train how to use them• Improve abilities, functioning, participation, and contextual facilitators• May result in recommendations for reassessment or follow-up, or referral for other services
  25. 25. Goal(s) Associated WithProsthetics• Painless, efficient swallowing of secretions• Unrestricted head movement• Elimination or reduction of nasal emission• Decrease respiratory effort/long breath groups• Increased subglottal pressures; increased loudness• Improved articulatory precision• improved speech intelligibility• normalized nasality
  26. 26. Clinical ProcessDepending on assessment results, intervention addresses the following:• Provide info, course of intervention and duration, effective communication/swallowing• Education and maintenance, info about safety and instrument warranty• How repair, maintain, and modify• Intervention accomplishes objectives• Meets the abilities, needs, and wants of patient and who they communicates with, considering the environment it will be used
  27. 27. Setting of Treatment• clinical or educational settings• other natural environments that are selected on the basis of intervention goals and in consideration for the social, academic, and/or vocational activities that are relevant to the individual.
  28. 28. sEMG• As muscles contract, microvolt level electrical signals are created within the muscle that may be measured from the surface of the body. A procedure that measures muscle activity from the skin is referred to as surface electromyography (SEMG).
  29. 29. One Researcher‟s Results• „Eighty-seven percent (39/45) of all patients increased their functional oral intake of food/liquid including 92% of stroke patients and 80% of head/neck cancer patients.‟
  30. 30. Cultural/Ethical Considerations It is important to be culturally sensitive in assessment and treatment of individuals needing dysphagia management.
  31. 31. Things to Consider aboutDiversity• Foods to use in dysphagia assessment and treatment• Who is it appropriate to talk with about therapy?• Choosing assessments that are culturally considerate
  32. 32. Counseling• Counseling is important for individuals pre and post surgery• Being a part of society and communicating with others is something humans need, and the need for prosthetics can alter this from happening.
  33. 33. References• American Speech-Language-Hearing Association. (2001). Roles of Speech-Language Pathologists in Swallowing and Feeding Disorders: Technical Report [Technical Report]. Retrieved from www.asha.org/policy. doi:10.1044/policy.TR2001-00150• American Speech-Language-Hearing Association. (2004). Preferred Practice Patterns for the Profession of Speech-Language Pathology [Preferred Practice Patterns]. Available from www.asha.org/policy.• Crary, M. A., Carnaby, G. D., Groher, M. E., &Helseth, E. (2004). Functional benefits of dysphagia therapy using adjunctive sEMG biofeedback [Abstract]. Dysphagia, 19, 160-164.doi:10.1007/s00455-004- 0003-8• Grames, L.M., Jones, D.L., Kummer, A.W., Kurnell, M.P., Ruscello, D. (2006). Response to “Velopharyngeal dysfunction:Speech characteristics, variable etiologies, evaluation techniques, and differential treatments” by Dworkin, Marunick, &Krouse . Language, Speech, and Hearing Services in Schools. 36, 236-238.• Light. J. (1995). A review of oral and oropharyngeal prosthesis to faciliatate speech and swallowing. American Journal of Speech-Language Pathology, 4, 15-21.• Likes, C. P., McCarthy, E. S., Zwilling, C., Dingman, C. A coordinated, multidisciplinary approach tocaring for the patient with head and neck cancer [PPT document]. Retrieved from South Carolina Speech Language Hearing Association Web site: http://www.scsha.com/handouts/session42.pdf

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