Bone Conduction Auditory Performance Via the Tooth for Single-Sided Deafness

Exclusion Criteria

• •Must not be current users of devices such as Baha, CROS or TransEar
• •Must not have known active medical causes of SSD:
• •* Active middle ear pathology
• •* Conductive HL (Otosclerosis, otitis media, otitis externa and others)
• •* Sudden hearing loss that is not stable
• •Must not have known medical problems that might be life-threatening or is a contraindication for elective dental or medical procedures
• •Must not have known problems that may interfere with the impression procedure, such as inability to breath through nose (e.g. severe flu, allergies or cold)
• •Must not have allergies to polymers
• •Must not have known dental abnormalities:
• •* Temporary crowns or undergoing dental treatment
• •* Poor oral hygiene and/or rampant decay
• •* Current orthodontics
• •* Active caries in one or more of the possible abutment teeth for the device
• •* Active moderate to severe periodontal disease around abutment teeth for the device
• •* Suspicious oral/facial lesions or swelling of any type
• •* Severe pain on palpation on any area of mouth, face or neck
• •* Moderate to severe heat sensitivity on any of the upper teeth
• •* Subject currently being treated for temporomandibular joint disorder (TMJ), pain, full mouth reconstruction or posterior dental implants
• •Must not have known Audiological conditions:
• •* Conductive hearing loss (air-bone gap \>10dB HL at more than 3 frequencies)
• •* Word recognition scores inconsistent with pure tone averages
• •* Fluctuating hearing loss
• •Must not have known psychological factors that interfere with their ability to comply, comprehend, consent and cooperate