The following dental conditions are causes for rejection of membership:

(1) Diseases of the jaws or associated tissues, which are not easily remediable and which will incapacitate the individual or prevent the satisfactory performance of duty;

(2) Malocclusion, severe, which interferes with the mastication of a normal diet;

(3) Orthodontic appliances: Individuals with orthodontic appliances attached to the teeth are administratively unacceptable so long as active treatment is required. Individuals with retainer orthodontic appliances who are not considered to require active treatment are administratively acceptable;

(4) Oral tissues, extensive loss of, in an amount that would prevent replacement of missing teeth with a satisfactory prosthetic appliance;

(5) Relationship between the mandible and maxilla of such a nature as to preclude future satisfactory prosthodontic replacement.