Universal non-custom dental tray having anatomical features to enhance fit

A pre-filled, non-customized dental treatment device suitable for placement over at least a portion of a person's dental arch for providing a desired treatment of a person's teeth and/or gums, the dental treatment device comprising:

• a moisture-resistant barrier layer comprised of a polymeric material and having a generally horseshoe-shaped configuration so as to substantially correspond to the curvature of a person's dental arch, said barrier layer further comprising:
• a front side wall configured to lie adjacent to labial tooth surfaces when said barrier layer is placed over a person's dental arch;
• and
• a bottom wall, attached to and extending laterally from said front side wall, configured to lie adjacent to occlusal tooth surfaces when said barrier layer is placed over a person's dental arch,
• said bottom wall including at least one V-shaped or U-shaped indentation that is configured to fit into one or more depressions typically found along occlusal surfaces of a person's molars in order to improve fit between said barrier layer and a person's dental arch,
• wherein said front side wall and said bottom wall are substantially devoid of structures corresponding to the size and shape of a person's unique dentition so that said barrier layer is designed to comfortably fit over a plurality of differently-sized dental arches corresponding to different people;
• and
• a treatment composition adjacent to at least one of said front side wall or said bottom wall.

A kit for use in providing a desired treatment of a person's teeth and/or gums, comprising a plurality of pre-shaped, non-customized dental treatment devices, at least one of which is suitable for placement over at least a portion of a person's upper dental arch and at least one other of which is suitable for placement over at least a portion of a person's lower dental arch, wherein each dental treatment device comprises:

• a moisture-resistant barrier layer having a generally horseshoe-shaped configuration so as to substantially correspond to the curvature of a person's dental arch,
• a front side wall of said barrier layer configured to lie adjacent to labial tooth surfaces when said dental treatment device is placed over a person's dental arch;
• and
• a bottom wall of said barrier layer, attached to and extending laterally from said front side wall, configured to lie adjacent to occlusal tooth surfaces when said dental treatment device is placed over a person's dental arch,
• said bottom wall including at least one V-shaped or U-shaped indentation that is configured to be inserted into one or more depressions typically found along occlusal surfaces of a person's molars in order to improve fit between said dental treatment device and a person's dental arch,
• wherein said front side wall and said bottom wall are substantially devoid of structures corresponding to the size and shape of a person's unique dentition so that said dental treatment device is designed to comfortably fit over a plurality of differently-sized dental arches corresponding to different people.