Final answer:
Cul-de-sac resonance is not a common problem resulting from a small maxilla, unlike articulation errors, sleep apnea, hyponasality, and hypernasality that are associated with this condition.
Step-by-step explanation:
The question pertains to the potential problems resulting from a small maxilla, a condition that can affect speech and breathing. The only option in the list that is generally not a problem caused by a small maxilla is cul-de-sac resonance. Cul-de-sac resonance is a hypernasality subtype where the voice sounds muffled, as if the speaker is talking into a cup. This is less commonly associated with maxillary deficiencies and more often related to other anatomical variations within the vocal tract.
Common issues associated with a small maxilla include articulation errors, as the teeth, alveolar ridge, and hard palate play critical roles in forming sounds; sleep apnea, which can occur due to constricted airways; hyponasality, where nasal sounds are reduced because the nasal passages are too narrow; and hypernasality, where too much air escapes through the nose during speech, often a characteristic of cleft palate.